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Engine Controls/fuel - 3.0l - Repair Instructions Chevrolet Equinox II

Testing & Diagnostics 39 illustrations ~7350 words

Crankshaft Position System Variation Learn

Note. The Crankshaft Position System Variation Learn procedure is also required when the following service procedures have been performed, regardless of whether DTC P0315 is set: An engine replacement A engine control module (ECM) or body control module (BCM) replacement A crankshaft balancer replacement A crankshaft removal and/or replacement A crankshaft position sensor disturbance/removal and/or replacement Any engine repairs which disturb the crankshaft to crankshaft position sensor relationship.

Note. The ECM monitors certain component signals to determine if all the conditions are met to continue with the crankshaft position System Variation Learn Procedure. The scan tool only displays the condition that inhibits the procedure. The scan tool displays the signals of the following components: Crankshaft position sensors activity-If there is a crankshaft position sensor condition, refer to the applicable DTC that set. Camshaft position sensor signal activity-If there is a camshaft position sensor signal condition, refer to the applicable DTC that set. Engine coolant temperature (ECT)-If the engine coolant temperature is not warm enough, idle the engine until the engine coolant temperature reaches the correct temperature.

  1. Ignition ON, observe the DTC information with a scan tool. Verify no other DTCs are set, except DTCs P0300-P0306, or P0315. If DTCs are set, except DTCs P0300-P0304, or P0315, refer to «Diagnostic Trouble Code (DTC) List - Vehicle»(/chevrolet/equinox/ii-2009-2015/remont/oem-general-information/#vehicle-diagnostic-information-diagnostic-information-and-procedures__diagnostic-trouble-code-dtc-list) for further diagnosis.
  2. With a scan tool, select the Crankshaft Position System Variation Learn Procedure and perform the following: NOTE: Close the hood. NOTE: The engine must be at operating temperature. Block drive wheels. Set parking brake. DO NOT apply brake pedal. Turn the air conditioning (A/C) OFF. When directed, apply and hold brake pedal for the duration of the procedure. Ignition ON, engine running at operating temperature. The vehicle must remain in Park or Neutral. NOTE: While the learn procedure is in progress, release the throttle immediately when the engine starts to decelerate. The engine control is returned to the operator and the engine responds to throttle position after the learn procedure is complete. Accelerate to wide open throttle (WOT) and release as soon as the fuel cut-off occurs. Accelerate to wide open throttle (WOT) and release when the fuel cut-off occurs.
  3. The scan tool displays Learn in Progress.
  4. The scan tool displays Learn Successful.
  5. If not successful, review the reject reason's on the scan tool and repeat step's 1-3.
  6. Verify DTC P0315 ran and passed This Ignition Cycle. If DTC P0315 failed or did not run This Ignition Cycle, or another DTC is present, refer to «Diagnostic Trouble Code (DTC) List - Vehicle»(/chevrolet/equinox/ii-2009-2015/remont/oem-general-information/#vehicle-diagnostic-information-diagnostic-information-and-procedures__diagnostic-trouble-code-dtc-list) for the applicable DTC that set.
  7. Once the Crankshaft Position Variation Learn procedure has successfully completed, and in order to store the crankshaft position variation values in the ECM, turn OFF the ignition and verify all vehicle systems are OFF. This may take up to 2 minutes.

Scheme 39

Scheme 39: Engine Control Module Replacement
Scheme 39: Engine Control Module Replacement
CalloutComponent Name
1Engine Control Module Cover
2Engine Control Module CAUTION: Turn the ignition OFF when installing or removing the control module connectors and disconnecting or reconnecting the power to the control module (battery cable, powertrain control module (PCM)/engine control module (ECM)/transaxle control module (TCM) pigtail, control module fuse, jumper cables, etc.) in order to prevent internal control module damage. Control module damage may result when the metal case contacts battery voltage. DO NOT contact the control module metal case with battery voltage when servicing a control module, using battery booster cables, or when charging the vehicle battery. In order to prevent any possible electrostatic discharge damage to the control module, do no touch the connector pins or the soldered components on the circuit board. Remove any debris from around the control module connector surfaces before servicing the control module. Inspect the control module connector gaskets when diagnosing or replacing the control module. Ensure that the gaskets are installed correctly. The gaskets prevent contaminant intrusion into the control module. The replacement control module must be programmed. Procedure Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection . Disconnect the electrical connectors. If replacing ECM, reprogram the ECM. Refer to Control Module References NOTE: Before removing the engine control module (ECM), use the scan tool to capture the ECM data. This captured data will then need to be restored into the NEW ECM. Refer to Control Module References .
CAUTION
Turn the ignition OFF when installing or removing the control module connectors and disconnecting or reconnecting the power to the control module (battery cable, powertrain control module (PCM)/engine control module (ECM)/transaxle control module (TCM) pigtail, control module fuse, jumper cables, etc.) in order to prevent internal control module damage. Control module damage may result when the metal case contacts battery voltage. DO NOT contact the control module metal case with battery voltage when servicing a control module, using battery booster cables, or when charging the vehicle battery. In order to prevent any possible electrostatic discharge damage to the control module, do no touch the connector pins or the soldered components on the circuit board. Remove any debris from around the control module connector surfaces before servicing the control module. Inspect the control module connector gaskets when diagnosing or replacing the control module. Ensure that the gaskets are installed correctly. The gaskets prevent contaminant intrusion into the control module. The replacement control module must be programmed.
NOTE
Before removing the engine control module (ECM), use the scan tool to capture the ECM data. This captured data will then need to be restored into the NEW ECM. Refer to Control Module References .

Engine Control Module Replacement

Description

The engine control module (ECM) learns the airflow through the throttle body to ensure the correct idle. The learned airflow values are stored within the ECM. These values are learned to adjust for production variation and will continuously learn during the life of the vehicle to compensate for reduced airflow due to throttle body coking. Anytime the throttle body airflow rate changes, for example due to cleaning or replacing, the values must be relearned.

An engine that had a heavily coked throttle body that has been cleaned or replaced may take several drive cycles to learn out the coking. To accelerate the process, the scan tool has the ability to reset all learned values back to zero. A new ECM will also have values set to zero.

The idle may be unstable or a DTC may set if the learned values do not match the actual airflow.

Conditions for Running the Throttle Learn Procedure

Reset Procedure

  1. DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0116, P0117, P0118, P0121, P0122, P0123, P0128, P0171, P0172, P0174, P0175, P0201-P0206, P0222, P0223, P0300-P0306, P0351-P0356, P0496, P0506, P0507, P0601-P0604, P0606, P062B, P062F, P0630, P0641, P0651, P0697, P06A3, P1101, P1516, P2101, P2119, P2122, P2123, P2127, P2128, P16F3, P2135, P2138, P2176, or P2610 are not set.
  2. Ignition ON, engine OFF.
  3. The vehicle speed sensor (VSS) is 0 km/h (0 mph).

Learn Procedure

  1. DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0116, P0117, P0118, P0121, P0122, P0123, P0128, P0171, P0172, P0174, P0175, P0201-P0206, P0222, P0223, P0300-P0306, P0351-P0356, P0496, P0506, P0507, P0601-P0604, P0606, P062B, P062F, P0630, P0641, P0651, P0697, P06A3, P1101, P1516, P2101, P2119, P2122, P2123, P2127, P2128, P16F3, P2135, P2138, P2176, or P2610 are not set.
  2. The engine speed is between 450-4, 000 RPM.
  3. The manifold absolute pressure (MAP) is greater than 5 kPa.
  4. The mass air flow (MAF) is greater than 2 g/s.
  5. The ignition voltage is greater than 11 V.

Reset/Learn Procedure

Reset Procedure - Performed after the throttle body is cleaned or replaced

  1. Ignition ON, engine OFF, perform the Idle Learn Reset in Module Setup with a scan tool.
  2. Engine idling, monitor the Throttle Body Idle Airflow Compensation parameter. The Throttle Body Idle Airflow Compensation value should equal 0 % and the engine should be idling at a normal idle speed.
  3. Clear the DTCs and return to the diagnostic that referred you here.

Learn Procedure - Performed after the ECM is programmed or replaced

  1. Engine idling for 3 minutes.
  2. Monitor the Desired Idle Speed and the actual Engine Speed with a scan tool.
  3. The ECM will start to learn the new idle cells and Desired Idle Speed should start to decrease.
  4. Ignition OFF for 60 s.
  5. Engine idling for 3 minutes.
  6. After the 3 minute run time the engine speed should return to normal. NOTE: During the drive cycle monitor the DTC information with a scan tool to verify DTC P0506 and P0507 do not set. If DTC P0506 and P0507 set, clear the DTCs so the ECM can continue to learn. If the engine idle speed has not been learned the vehicle will need to be driven at speeds above 70 km/h (44 mph) with several decelerations and extended idles.
  7. After the drive cycle, the engine speed should return to normal. If the engine idle speed has not been learned, turn OFF the ignition for 60 s and repeat step 6.
  8. Once the engine speed has returned to normal, clear DTCs and return to the diagnostic that referred you here.

Scheme 40

Scheme 40: Engine Coolant Temperature Sensor Replacement
Scheme 40: Engine Coolant Temperature Sensor Replacement
CalloutComponent Name
Preliminary Procedure Partially drain the cooling system. Refer to Cooling System Draining and Filling (GE 47716) , Cooling System Draining and Filling (Static LF1 or LFW) .
1Engine Coolant Temperature Sensor CAUTION: Refer to Fastener Caution . Procedure Reposition the sensor heat shield. Disconnect the ECT sensor harness connector. Tighten 20 N.m (15 lb in)
CAUTION
Refer to Fastener Caution .

Engine Coolant Temperature Sensor Replacement

Scheme 41

Scheme 41: Mass Airflow Sensor with Intake Air Temperature Sensor Replacement
Scheme 41: Mass Airflow Sensor with Intake Air Temperature Sensor Replacement
CalloutComponent Name
1Mass Airflow Sensor Fastener (Qty: 2) CAUTION: Refer to Fastener Caution . Tighten 3 N.m (27 lb in)
2Mass Airflow Sensor with Intake Air Temperature Sensor Procedure Disconnect the electrical connector.
CAUTION
Refer to Fastener Caution .

Mass Airflow Sensor with Intake Air Temperature Sensor Replacement

Scheme 42

Scheme 42: Manifold Absolute Pressure Sensor Replacement
Scheme 42: Manifold Absolute Pressure Sensor Replacement
CalloutComponent Name
Preliminary Procedure Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
1Manifold Absolute Pressure Sensor Fastener CAUTION: Refer to Fastener Caution . Tighten 4 N.m (35 lb in)
2Manifold Absolute Pressure Sensor Procedure Disconnect the electrical connector.
CAUTION
Refer to Fastener Caution .

Manifold Absolute Pressure Sensor Replacement

Scheme 43

Scheme 43: Throttle Inlet Absolute Pressure Sensor Replacement
Scheme 43: Throttle Inlet Absolute Pressure Sensor Replacement
CalloutComponent Name
1Throttle Inlet Absolute Pressure Sensor Fastener CAUTION: Refer to Fastener Caution . Tighten 4 N.m (35 lb in)
2Throttle Inlet Absolute Pressure Sensor Procedure Disconnect the electrical connector.
CAUTION
Refer to Fastener Caution .

Throttle Inlet Absolute Pressure Sensor Replacement

Scheme 44

Scheme 44: Heated Oxygen Sensor Replacement - Bank 1 Sensor 1
Scheme 44: Heated Oxygen Sensor Replacement - Bank 1 Sensor 1
CalloutComponent Name
Preliminary Procedures If equipped with FWD, raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . If equipped with AWD, lower the front suspension frame. Refer to Drivetrain and Front Suspension Frame Replacement .
1Heated Oxygen Sensor CAUTION: Refer to Heated Oxygen and Oxygen Sensor Caution . CAUTION: Refer to Fastener Caution . TIP: A special anti-seize compound is used in the HO2S threads. The compound consists of liquid graphite and glass beads. The graphite tends to burn away, but the glass beads remain, making the sensor easier to remove. New, or service replacement sensors already have the compound applied to the threads. If the sensor is removed from an exhaust component and if for any reason the sensor is to be reinstalled, the threads must have anti-seize compound applied before reinstallation. Procedure Disconnect the heated oxygen sensor harness connector. If reinstalling the old sensor, coat the threads with anti-seize compound. Refer to Adhesives, Fluids, Lubricants, and Sealers . Tighten 42 N.m (31 lb in)
CAUTION
Refer to Fastener Caution .

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1

Scheme 45

Scheme 45: Heated Oxygen Sensor Replacement - Bank 1 Sensor 2
Scheme 45: Heated Oxygen Sensor Replacement - Bank 1 Sensor 2
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1Heated Oxygen Sensor CAUTION: Refer to Heated Oxygen and Oxygen Sensor Caution . CAUTION: Refer to Fastener Caution . TIP: A special anti-seize compound is used in the HO2S threads. The compound consists of liquid graphite and glass beads. The graphite tends to burn away, but the glass beads remain, making the sensor easier to remove. New, or service replacement sensors already have the compound applied to the threads. If the sensor is removed from an exhaust component and if for any reason the sensor is to be reinstalled, the threads must have anti-seize compound applied before reinstallation. Procedure Disconnect the heated oxygen sensor harness connector. If reinstalling the old sensor, coat the threads with anti-seize compound. Refer to Adhesives, Fluids, Lubricants, and Sealers . Tighten 42 N.m (31 lb in)
CAUTION
Refer to Fastener Caution .

Heated Oxygen Sensor Replacement - Bank 1 Sensor 2

Scheme 46

Scheme 46: Heated Oxygen Sensor Replacement - Bank 2 Sensor 1
Scheme 46: Heated Oxygen Sensor Replacement - Bank 2 Sensor 1
CalloutComponent Name
1Heated Oxygen Sensor CAUTION: Refer to Heated Oxygen and Oxygen Sensor Caution . CAUTION: Refer to Fastener Caution . Procedure Disconnect the heated oxygen sensor harness connector. If reinstalling the old sensor, coat the threads with anti-seize compound. Refer to Adhesives, Fluids, Lubricants, and Sealers . TIP: A special anti-seize compound is used in the HO2S threads. The compound consists of liquid graphite and glass beads. The graphite tends to burn away, but the glass beads remain, making the sensor easier to remove. New, or service replacement sensors already have the compound applied to the threads. If the sensor is removed from an exhaust component and if for any reason the sensor is to be reinstalled, the threads must have anti-seize compound applied before reinstallation. Tighten 42 N.m (31 lb in)
CAUTION
Refer to Fastener Caution .

Heated Oxygen Sensor Replacement - Bank 2 Sensor 1

Scheme 47

Scheme 47: Heated Oxygen Sensor Replacement - Bank 2 Sensor 2
Scheme 47: Heated Oxygen Sensor Replacement - Bank 2 Sensor 2
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1Heated Oxygen Sensor CAUTION: Refer to Heated Oxygen and Oxygen Sensor Caution . CAUTION: Refer to Fastener Caution . Procedure Disconnect the heated oxygen sensor harness connector. If reinstalling the old sensor, coat the threads with anti-seize compound. Refer to Adhesives, Fluids, Lubricants, and Sealers . NOTE: A special anti-seize compound is used in the HO2S threads. The compound consists of liquid graphite and glass beads. The graphite tends to burn away, but the glass beads remain, making the sensor easier to remove. New, or service replacement sensors already have the compound applied to the threads. If the sensor is removed from an exhaust component and if for any reason the sensor is to be reinstalled, the threads must have anti-seize compound applied before reinstallation. Tighten 42 (31 lb in)
CAUTION
Refer to Fastener Caution .
NOTE
A special anti-seize compound is used in the HO2S threads. The compound consists of liquid graphite and glass beads. The graphite tends to burn away, but the glass beads remain, making the sensor easier to remove. New, or service replacement sensors already have the compound applied to the threads. If the sensor is removed from an exhaust component and if for any reason the sensor is to be reinstalled, the threads must have anti-seize compound applied before reinstallation.

Heated Oxygen Sensor Replacement - Bank 2 Sensor 2

Scheme 48

Scheme 48: Accelerator Pedal Position Sensor Replacement
Scheme 48: Accelerator Pedal Position Sensor Replacement
CalloutComponent Name
Preliminary Procedures Remove the instrument panel insulator. Refer to Instrument Panel Insulator Panel Replacement - Left Side (Equinox) , Instrument Panel Insulator Panel Replacement - Left Side (Terrain) . Remove the communication interface module. Refer to Communication Interface Module Replacement .
1Accelerator Pedal Fastener (Qty: 3) CAUTION: Refer to Fastener Caution . Tighten 8 N.m (71 lb in)
2Accelerator Pedal Position Sensor Procedure Disconnect the electrical connector.
CAUTION
Refer to Fastener Caution .

Accelerator Pedal Position Sensor Replacement

Accelerator Pedal with Position Sensor Assembly Replacement

CalloutComponent Name
Preliminary Procedures Remove the instrument panel insulator. Refer to Instrument Panel Insulator Panel Replacement - Left Side (Equinox) , Instrument Panel Insulator Panel Replacement - Left Side (Terrain) . Remove the Communication Interface Module. Refer to Communication Interface Module Replacement .
1Accelerator Pedal Fastener (Qty: 3) CAUTION: Refer to Fastener Caution . Tighten 8 N.m (71 lb in)
2Accelerator Pedal Position Sensor Procedure Disconnect the electrical connector.
CAUTION
Refer to Fastener Caution .

Accelerator Pedal with Position Sensor Assembly Replacement

Scheme 49

Scheme 49: Throttle Body Assembly Replacement
Scheme 49: Throttle Body Assembly Replacement
CalloutComponent Name
Preliminary Procedure Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
1Bolt (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2Throttle Body Procedure Disconnect the throttle body harness connector. Install a NEW throttle body seal. Perform the throttle learn procedure. Refer to Throttle/Idle Learn .
CAUTION
Refer to Fastener Caution .

Throttle Body Assembly Replacement

Throttle Body Inspection and Cleaning

Note. Over extended time and mileage, deposits may accumulate on the back of the throttle valve plate. The source of the deposit is exhaust gas recirculation (EGR) gas. Typically these deposits pose no problem. Occasionally the deposit may accumulate to a point where perceived pedal effort or throttle valve movement is effected. This procedure should not be performed on vehicles with mileage under 80 450 km (50, 000 mi).

  1. Remove the air cleaner outlet duct. Refer to «Air Cleaner Outlet Duct Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  2. Inspect the throttle body bore and the throttle valve plate for deposits. You will need to open the throttle valve in order to inspect all surfaces.
  3. Clean the throttle body bore and the throttle valve plate using a clean shop towel with GM top engine cleaner, GM P/N 1052626 (Canadian P/N 993026) or AC-Delco Carburetor Tune-Up Conditioner, P/N X66-P, or an equivalent product.
  4. Install the air cleaner outlet duct. Refer to «Air Cleaner Outlet Duct Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  5. Perform the Throttle/Idle Learn procedure. Refer to «Throttle/Idle Learn»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .

Fuel Pressure Relief

WARNINGFuel that flows out at high pressure can cause serious injury to the skin and eyes. ALWAYS depressurize the fuel system before removing components that are under high fuel pressure.
  1. Disconnect the fuel tank wiring harness to the body wiring harness connector.
  2. Start the vehicle and allow the engine to idle until the engine stops. The engine will stop in approximately 20-30 seconds.
  3. Turn the ignition OFF.
  4. Using a scan tool, verify that there is little to no fuel pressure, if there still is fuel pressure repeat step 2.

Fuel Pressure Gauge Installation and Removal

Special Tools

CH 48027 Digital Pressure Gauge

For equivalent regional tools, refer to Special Tools

Installation Procedure

WARNINGRemove the fuel tank cap and relieve the fuel system pressure before servicing the fuel system in order to reduce the risk of personal injury. After you relieve the fuel system pressure, a small amount of fuel may be released when servicing the fuel lines, the fuel injection pump, or the connections. In order to reduce the risk of personal injury, cover the fuel system components with a shop towel before disconnection. This will catch any fuel that may leak out. Place the towel in an approved container when the disconnection is complete.
  1. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-pressure-relief) .
  2. Connect the CH 48027 gauge (1) to the CH 48027 adapter (2).
  3. Remove the shop towel from around the fuel rail service port, and place in an approved gasoline container.
  4. Perform any tests and/or diagnostics as needed. For the proper usage of the CH 48027 gauge (1), refer to the manufacture's directions.

Removal Procedure

  1. Relieve the fuel system pressure, if required. Perform the following steps: Wrap a shop towel around the fuel rail service port. Place the hose on the CH 48027 adapter (2) into an approved gasoline container. Open the valve on the CH 48027 adapter (2) in order to bleed any fuel from the fuel rail. Close the valve on the CH 48027 adapter (2). Remove the hose on the CH 48027 adapter (2) from the approved gasoline container. Remove the shop towel from around the fuel rail service port, and place in an approved gasoline container.
  2. Disconnect the CH 48027 gauge (1) from the CH 48027 gauge (2).
  3. Disconnect the CH 48027 adapter (2) from the CH 48027 adapter (3).
  4. Disconnect the CH 48027 adapter (3) from the fuel rail service port.
  5. Install the fuel rail service port cap.
  6. Install the engine cover, if required.
  7. Tighten the fuel fill cap.

Special Tools

  1. CH-41769 Fuel Line Disconnect Tool Set
  2. CH-44581 Fuel Line Disconnect Tool

For equivalent regional tools, refer to Special Tools .

  1. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-pressure-relief) .
  2. Remove the retainer from the quick-connect fitting.
  3. Blow dirt out of the fitting using compressed air.
  4. Depending on the fuel line size and ability to access the fitting, choose the appropriate tool: CH-41769 fuel line disconnect tool set or CH-44581 fuel line disconnect tool. Insert the CH-41769 fuel line disconnect tool set or CH-44581 fuel line disconnect tool into the female connector, then push inward to release the locking tabs.
  5. Pull the connection apart.
  6. Using a clean shop towel, wipe off the male pipe end.
  7. Inspect both ends of the fitting for dirt and burrs.
  8. Clean or replace the components as required.
  1. Apply a few drops of clean engine oil to the male pipe end.
  2. Push both sides of the quick-connect fitting together to cause the retaining tabs to snap into place.
  3. Pull on both sides of the quick-connect fitting to make sure the connection is secure.
  4. Install the retainer to the quick-connect fitting.
  5. Inspect for leaks using the following procedure: Turn the ignition ON, with the engine OFF for 2 seconds. Turn the ignition OFF, for 10 seconds. Turn the ignition ON, with the engine OFF for 2 seconds. Turn the ignition OFF. Inspect for leaks.
  1. Relieve the fuel system pressure before servicing any fuel system connection. Refer to the «Fuel Pressure Relief»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-pressure-relief) .
  2. Using compressed air, blow any dirt out of the quick-connect fitting.
  3. This step applies to Bartholomew style connectors ONLY. Squeeze the plastic quick-connect fitting release tabs.
  4. This step applies to Q Release style connectors ONLY. Release the fitting by Pushing the tab toward the other side of the slot in the fitting.
  5. This step applies to Squeeze to Release style connectors ONLY. Squeeze where indicated by arrows on both sides of the plastic ring surrounding the quick-connect fitting.
  6. This step applies to Squeeze to Release style connectors ONLY. Push in the male side slightly in order to slide the retainer away from the retainers, squeeze where indicated by arrows on both sides of the plastic ring surrounding the quick-connect fitting.
  7. This step applies to Sliding Retainer style connectors ONLY. Release the fitting by pressing on one side of the release tab causing it to push in slightly. If the tab doesn't move try pressing the tab in from the opposite side. The tab will only move in one direction.
  8. This step applies to the Global Connector style only. Push the connector toward the tube in order to release the pressure. Press and hold down the release mechanism, and pull the connector straight out.
  9. This step applies to the TI Loc style only. Push the connector toward the tube in order to release the pressure. Release the redundant latch (1) with two fingers or a flat bladed tool. Then press and hold down the bottom release mechanism (2) and pull the connector straight out.
  10. This step applies to the Safe Lock style only. Push the connector toward the tube in order to release the pressure. Release the second latch (1) with two fingers. Then press and hold down the bottom release mechanism (2) and pull the connector straight out.
  11. Using a clean shop towel, wipe off the male pipe end.
  12. Inspect both ends of the fitting for dirt and burrs.
  13. Clean or replace components as necessary.
  1. Apply a few drops of clean engine oil to the male pipe end.
  2. Push both sides of the quick-connect fitting together in order to cause the retaining feature to snap into place.
  3. Pull on both sides of the quick-connect fitting to make sure the connection is secure.
  4. Insert the tube in the connector until the retainer snaps in place.
  5. Push down on the redundant latch (1) until it is fully engaged and snapped into position.
  6. Insert the tube in the connector until the retainer snaps in place.
  7. Push down on the second latch (1) in order to secure the connection.
  8. Inspect for leaks using the following procedure: Turn the ignition ON, with the engine OFF for 2 seconds. Turn the ignition OFF, for 10 seconds. Turn the ignition ON, with the engine OFF for 2 seconds. Turn the ignition OFF. Inspect for leaks.

Fuel Tank Draining

Special Tools

CH-45004 Fuel Tank Drain Hose

For equivalent regional tools, refer to Special Tools .

WARNINGNever drain or store fuel in an open container. Always use an approved fuel storage container in order to reduce the chance of fire or explosion.
WARNINGPlace a dry chemical (Class B) fire extinguisher nearby before performing any on-vehicle service procedures. Failure to follow these precautions may result in personal injury.
  1. Remove the fuel fill cap.
  2. Raise and suitably support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/chevrolet/equinox/ii-2009-2015/remont/ignition-switchsteering-lock/#general-information) .
  3. Loosen the fuel fill pipe hose clamps and slide the fill pipe hose up the filler pipe.
  4. Insert the CH-45004 fuel tank drain hose into the fuel tank until the hose reaches the bottom of the fuel tank.
  5. Use an hand or air operated pump device in order to drain as much fuel as possible.
  1. Ensure that the fuel level in the tank is less than 1/4 full. If necessary, drain the fuel tank to at least this level. Refer to «Fuel Tank Draining»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-draining) .
  2. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-pressure-relief) .
  3. Disconnect the negative battery cable. Refer to «Battery Negative Cable Disconnection and Connection»(/chevrolet/equinox/ii-2009-2015/remont/charging-system/#battery-charging-system-and-starting-system) .
  4. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/chevrolet/equinox/ii-2009-2015/remont/ignition-switchsteering-lock/#general-information) .
  5. Remove the exhaust system. Refer to «Exhaust Muffler Replacement»(/chevrolet/equinox/ii-2009-2015/remont/exhaust/#engine-exhaust-system) .
  6. Remove the propeller shaft. Refer to «Propeller Shaft Replacement»(/chevrolet/equinox/ii-2009-2015/remont/driveshaft-universal-joints/#propeller-shaft-and-universal-joints) .
  7. Place a suitable container under the fuel line connection in order to catch any dripping fuel.
  8. Remove the evaporative emission canister. Refer to «Evaporative Emission Canister Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  9. Disconnect the chassis fuel supply line (2) from the fuel tank.
  10. Disconnect the fuel filler tube, EVAP vent hose, and fresh air hose from the fuel tank.
  11. Disconnect the fuel tank electrical connector and remove the electrical connector retainer from the rear frame.
  12. Using a suitable adjustable jack, support the fuel tank.
  13. Remove the fuel tank strap nuts and lower the fuel tank straps.
  14. Lower the front of the fuel tank (with shield), and pull the tank forward to clear the rear drive module.
  15. If replacing the fuel tank, remove the fuel tank module assemblies. Refer to «Fuel Tank Fuel Pump Module Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-fuel-pump-module-replacement) , and «Fuel Tank Fuel Pump Module Replacement - Secondary (With Out)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-fuel-pump-module-replacement) .
  16. If replacing the fuel tank, remove the heat shield, hoses and wiring harness and transfer to the new tank.
  1. If previously removed, install the fuel tank module assemblies. Refer to «Fuel Tank Fuel Pump Module Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-fuel-pump-module-replacement) , and «Fuel Tank Fuel Pump Module Replacement - Secondary (With Out)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-fuel-pump-module-replacement) .
  2. Using a suitable adjustable jack, install the fuel tank heat shield and fuel tank assembly to the vehicle.
  3. Install the fuel tank straps and the fuel tank strap-to-body nuts and tighten to 20 N.m (15 lb ft).
  4. Connect the fuel tank electrical connector and install the electrical connector retainer to the rear frame.
  5. Connect the EVAP vent, and fresh air hoses to the fuel tank.
  6. Connect the fuel filler tube to the fuel tank. Tighten the fuel filler tube clamp to 5 N.m (44 lb in).
  7. Connect the chassis fuel supply line (2) to the fuel tank.
  8. Install the evaporative emission canister. Refer to «Evaporative Emission Canister Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  9. Install the propeller shaft. Refer to «Propeller Shaft Replacement»(/chevrolet/equinox/ii-2009-2015/remont/driveshaft-universal-joints/#propeller-shaft-and-universal-joints) .
  10. Install the exhaust system. Refer to «Exhaust Muffler Replacement»(/chevrolet/equinox/ii-2009-2015/remont/exhaust/#engine-exhaust-system) .
  11. Lower the vehicle.
  12. Fill the fuel tank with gasoline.
  13. Connect the negative battery cable. Refer to «Battery Negative Cable Disconnection and Connection»(/chevrolet/equinox/ii-2009-2015/remont/charging-system/#battery-charging-system-and-starting-system) .
  14. Prime the fuel system: Cycle the ignition ON for 5 seconds and then OFF for 10 seconds. Repeat the previous step twice. Crank the engine until it starts. The maximum starter motor cranking time is 20 seconds. If the engine does not start, repeat steps 14.1-14.3.
  1. Ensure that the fuel level in the tank is less than 1/4 full. If necessary, drain the fuel tank to at least this level. Refer to «Fuel Tank Draining»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-draining) .
  2. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-pressure-relief) .
  3. Disconnect the negative battery cable. Refer to «Battery Negative Cable Disconnection and Connection»(/chevrolet/equinox/ii-2009-2015/remont/charging-system/#battery-charging-system-and-starting-system) .
  4. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/chevrolet/equinox/ii-2009-2015/remont/ignition-switchsteering-lock/#general-information) .
  5. Remove the exhaust system. Refer to «Exhaust Muffler Replacement»(/chevrolet/equinox/ii-2009-2015/remont/exhaust/#engine-exhaust-system) .
  6. Disconnect the canister vent valve electrical connectors.
  7. Disconnect the vent hose from the canister filter.
  8. Disconnect the fuel tank vent pipe from the evaporative emission canister.
  9. Disconnect the chassis fuel supply line (2) from the fuel tank.
  10. Disconnect the fuel filler tube, EVAP vent hose, and fresh air hose from the fuel tank.
  11. Disconnect the fuel tank electrical connector and remove the electrical connector retainer from the rear frame.
  12. Support the fuel tank using a suitable jack.
  13. Remove the fuel tank strap nuts, and lower the fuel tank straps.
  14. Lower the fuel tank from the underbody of the vehicle.
  15. If replacing the fuel tank, remove the fuel tank module assemblies. Refer to «Fuel Tank Fuel Pump Module Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-fuel-pump-module-replacement) , and «Fuel Tank Fuel Pump Module Replacement - Secondary (With Out)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-fuel-pump-module-replacement) .
  16. If replacing the fuel tank, remove the heat shield, hoses and wiring harness, and transfer to the new tank.
  1. If previously removed, install the fuel tank module assemblies. Refer to «Fuel Tank Fuel Pump Module Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-fuel-pump-module-replacement) , and «Fuel Tank Fuel Pump Module Replacement - Secondary (With Out)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-fuel-pump-module-replacement) .
  2. Using an adjustable jack, slowly raise and reposition the fuel tank (3) in order to install the tank to the vehicle.
  3. Install the fuel tank straps and the fuel tank strap-to-body nuts and tighten to 20 N.m (15 lb ft).
  4. Connect the fuel tank electrical connector and install the electrical connector retainer to the rear frame.
  5. Connect the EVAP vent, and fresh air hoses to the fuel tank.
  6. Connect the fuel filler tube to the fuel tank. Tighten the fuel filler tube clamp to 5 N.m (44 lb in).
  7. Connect the chassis fuel supply line (2) to the fuel tank.
  8. Connect the fuel tank vent pipe to the evaporative emission canister.
  9. Connect the vent hose to the canister filter.
  10. Connect the canister vent valve electrical connector.
  11. Install the exhaust system. Refer to «Exhaust Muffler Replacement»(/chevrolet/equinox/ii-2009-2015/remont/exhaust/#engine-exhaust-system) .
  12. Lower the vehicle.
  13. Fill the fuel tank with gasoline.
  14. Connect the negative battery cable. Refer to «Battery Negative Cable Disconnection and Connection»(/chevrolet/equinox/ii-2009-2015/remont/charging-system/#battery-charging-system-and-starting-system) .
  15. Prime the fuel system: Cycle the ignition ON for 5 seconds and then OFF for 10 seconds. Repeat the previous step twice. Crank the engine until it starts. The maximum starter motor cranking time is 20 seconds. If the engine does not start, repeat steps 15.1-15.3.

Fuel Tank Fuel Pump Module Replacement

Special Tools

J-45722 Fuel Tank Sender Wrench

For equivalent regional tools, refer to Special Tools .

  1. Remove the fuel tank. Refer to «Fuel Tank Replacement (FWD)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) , «Fuel Tank Replacement (AWD)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  2. Disconnect the crossover tube from the secondary fuel pump module. Refer to «Fuel Tank Fuel Pump Module Replacement - Secondary (With Out)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-fuel-pump-module-replacement) .
  3. Disconnect the electrical connectors (1).
  4. Disconnect the fuel and evaporative emission lines (2). Refer to «Plastic Collar Quick Connect Fitting Service»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  5. Using the J-45722 wrench, remove the cam lock ring (1) by turning counterclockwise.
  6. Remove the primary fuel tank module (1) and the O-ring (2).
  7. If replacing the fuel pump module only, remove the primary fuel level sensor. Refer to «Primary Fuel Level Sensor Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  1. If replacing the fuel pump module only, install the primary fuel level sensor. Refer to «Primary Fuel Level Sensor Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  2. Install a NEW O-ring (2) and the primary fuel tank module (1).
  3. Using the J-45722 wrench, install the cam lock ring (1) by turning clockwise.
  4. Connect the electrical connectors (1).
  5. Connect the fuel and evaporative emission lines (2). Refer to «Plastic Collar Quick Connect Fitting Service»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  6. Connect the crossover tube to the secondary fuel pump module. Refer to «Fuel Tank Fuel Pump Module Replacement - Secondary (With Out)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-fuel-pump-module-replacement) .
  7. Install the fuel tank. Refer to «Fuel Tank Replacement (FWD)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) , «Fuel Tank Replacement (AWD)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .

Fuel Tank Fuel Pump Module Replacement - Secondary (With Out)

Special Tools

CH-48482 Fuel Tank Sender Wrench

For equivalent region tools, refer to Special Tools .

  1. Remove the fuel tank. Refer to «Fuel Tank Replacement (FWD)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) , «Fuel Tank Replacement (AWD)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  2. Disconnect the electrical connector (1).
  3. Disconnect the evaporative emission line (2). Refer to «Plastic Collar Quick Connect Fitting Service»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  4. Using the CH-48482 wrench, remove the cam lock ring (1) by turning counterclockwise.
  5. Partially raise the secondary fuel pump module and disconnect the crossover tube (1) by squeezing the plastic retaining tabs (2).
  6. Remove the secondary fuel tank module (1) and the O-ring (2).
  1. Partially install the secondary fuel pump module and connect the crossover tube (1) by sliding into position.
  2. Install a NEW O-ring (2) and the secondary fuel tank module (1).
  3. Using the CH-48482 wrench, install the cam lock ring (1) by turning clockwise.
  4. Connect the electrical connector (1).
  5. Connect the evaporative emission line (2). Refer to «Plastic Collar Quick Connect Fitting Service»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  6. Install the fuel tank. Refer to «Fuel Tank Replacement (FWD)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) , «Fuel Tank Replacement (AWD)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .

Scheme 50

Scheme 50: Fuel Pump Flow Control Module Replacement
Scheme 50: Fuel Pump Flow Control Module Replacement
CalloutComponent Name
1Fuel Pump Flow Control Module Fastener CAUTION: Refer to Fastener Caution Tighten 8 N.m(71 lb in)
2Fuel Pump Flow Control Module Procedure Open the spare tire compartment lid. Disconnect the electrical connector. If replacing, reprogram the module. Refer to Control Module References
CAUTION
Refer to Fastener Caution

Fuel Pump Flow Control Module Replacement

Scheme 51

Scheme 51: Fuel Tank Pressure Sensor Replacement (Without NU6)
Scheme 51: Fuel Tank Pressure Sensor Replacement (Without NU6)
CalloutComponent Name
Preliminary Procedures Lower the fuel tank. Refer to Fuel Tank Replacement (FWD) , Fuel Tank Replacement (AWD) . Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1Fuel Tank Pressure Sensor Procedure Use a flat bladed tool to remove the sensor. Disconnect the electrical connector.

Fuel Tank Pressure Sensor Replacement (Without NU6)

Scheme 52

Scheme 52: Fuel Tank Filler Pipe Replacement
Scheme 52: Fuel Tank Filler Pipe Replacement
CalloutComponent Name
Preliminary Procedure Remove the rear wheel house liner. Refer to Rear Wheelhouse Panel Liner Replacement (Terrain) , Rear Wheelhouse Panel Liner Replacement (Equinox) . Disconnect the evaporative emission lines. Refer to Plastic Collar Quick Connect Fitting Service .
1Filler Pipe Fastener (Qty: 3) CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2Fuel Tank Filler Pipe Clamp Tighten 4 N.m (35 lb in)
3Fuel Tank Filler Pipe
CAUTION
Refer to Fastener Caution .

Fuel Tank Filler Pipe Replacement

Scheme 53

Scheme 53: Primary Fuel Level Sensor Replacement
Scheme 53: Primary Fuel Level Sensor Replacement
CalloutComponent Name
Preliminary Procedure Remove the fuel pump module. Refer to Fuel Tank Fuel Pump Module Replacement .
1Fuel Level Sensor Procedure Release the retaining tabs. Disconnect the electrical connector.

Primary Fuel Level Sensor Replacement

Scheme 54

Scheme 54: Fuel Line Replacement - Chassis
Scheme 54: Fuel Line Replacement - Chassis
CalloutComponent Name
Preliminary Procedures Relieve the fuel system pressure. Refer to Fuel Pressure Relief . Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement . Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Disconnect the quick connectors. Refer to Metal Collar Quick Connect Fitting Service , and Plastic Collar Quick Connect Fitting Service .
1Fuel Feed Line Procedure Disengage the line from the plastic retainers.

Fuel Line Replacement - Chassis

Scheme 55

Scheme 55: Fuel Feed Hose Replacement
Scheme 55: Fuel Feed Hose Replacement
CalloutComponent Name
Preliminary Procedures Relieve the fuel system pressure. Refer to Fuel Pressure Relief . Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the fuel tank. Refer to Fuel Tank Replacement (AWD) , Fuel Tank Replacement (FWD) Disconnect the quick connectors. Refer to Plastic Collar Quick Connect Fitting Service .
1Fuel Feed Hose Procedure Disengage the hose from the plastic retainers.

Fuel Feed Hose Replacement

Scheme 56

Scheme 56: Flexible Fuel Sensor Replacement
Scheme 56: Flexible Fuel Sensor Replacement
CalloutComponent Name
Preliminary Procedure Relieve the fuel system pressure. Refer to Fuel Pressure Relief Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1Plastic Retainers Procedure Squeeze the plastic retainers from the back in order to release.
2Flex Fuel Sensor Procedure Disconnect the fuel line connectors. Refer to Plastic Collar Quick Connect Fitting Service . Release the plastic retaining tab. Disconnect the electrical connector.

Flexible Fuel Sensor Replacement

Scheme 57

Scheme 57: Fuel Pressure Sensor Replacement - Fuel Feed Pipe
Scheme 57: Fuel Pressure Sensor Replacement - Fuel Feed Pipe
CalloutComponent Name
Preliminary Procedures Relieve the fuel system pressure. Refer to Fuel Pressure Relief . Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1Fuel Pressure Sensor CAUTION: Refer to Fastener Caution . Procedure Disconnect the electrical connector. Do not reuse the fuel pressure sensor O-ring seal. Lubricate the NEW fuel pressure sensor O-ring seal with clean engine oil. Tighten 9 N.m (80 lb in)
CAUTION
Refer to Fastener Caution .

Fuel Pressure Sensor Replacement - Fuel Feed Pipe

Scheme 58

Scheme 58: Fuel Feed Pipe Replacement
Scheme 58: Fuel Feed Pipe Replacement
CalloutComponent Name
Preliminary Procedures Relieve the fuel system pressure. Refer to Fuel Pressure Relief . Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement . Remove the fuel pipe shield. Refer to Fuel Pipe Shield Replacement .
1Fitting CAUTION: Refer to Fastener Caution . Tighten First Pass 15 N.m (11 lb ft) Second Pass 30 N.m (22 lb ft)
2Bolt (Qty: 2) Tighten 50 N.m (28 lb ft)
3Fuel Feed Pipe Procedure DISCARD the pipe when removed, and install a NEW pipe. Ensure that the high pressure fuel pipe, and fuel pump fittings are clean and dry prior to assembly. Pressure up the fuel system and check for leaks.
CAUTION
Refer to Fastener Caution .

Fuel Feed Pipe Replacement

Fuel System Cleaning

Note. When flushing the fuel tank, treat the fuel and water mixture as a hazardous material. Handle the material in accordance with all local, state and federal laws and regulations.

Note. Whenever the fuel tank is cleaned, inspect the fuel pump fuel strainer. If the fuel pump fuel strainer is contaminated, replace the fuel pump fuel strainer and inspect the fuel pump.

Note. Always maintain cleanliness when servicing fuel system components.

  1. Remove the fuel tank fuel pump modules. Refer to «Fuel Tank Fuel Pump Module Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-fuel-pump-module-replacement) and «Fuel Tank Fuel Pump Module Replacement - Secondary (With Out)»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-fuel-pump-module-replacement) .
  2. Inspect the fuel pump inlet for dirt and debris. If dirt and debris are found, replace the fuel pump.
  3. Flush fuel tank with hot water.
  4. Pour the water out of the fuel sender assembly opening in the fuel tank. Rock the fuel tank in order to ensure that the removal of the water from the fuel tank is complete.
  5. Allow tank to dry completely before reassembly.
  6. Install the fuel tank fuel pump module. Refer to «Fuel Tank Fuel Pump Module Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-tank-fuel-pump-module-replacement) .

Scheme 59

Scheme 59: Fuel Pressure Sensor Replacement - Fuel Injection Fuel Rail
Scheme 59: Fuel Pressure Sensor Replacement - Fuel Injection Fuel Rail
CalloutComponent Name
Preliminary Procedure Remove the fuel pipe shield. Refer to Fuel Pipe Shield Replacement .
1Fuel Injection Fuel Rail Fuel Pressure Sensor CAUTION: Refer to Fastener Caution . Tighten 33 N.m (25 lb ft)
CAUTION
Refer to Fastener Caution .

Fuel Pressure Sensor Replacement - Fuel Injection Fuel Rail

Fuel Injection Fuel Rail Assembly Replacement - Bank 1

Special Tools

EN-49248 Injector Rail Assembly Remover

For equivalent regional tools, refer to Special Tools .

  1. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-pressure-relief) .
  2. Remove the fuel pipe shield. Refer to «Fuel Pipe Shield Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  3. Remove the intake manifold. Refer to «Intake Manifold Replacement»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-on-vehicle) .
  4. Remove the fuel feed intermediate pipe. Refer to «Fuel Feed Intermediate Pipe Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  5. Remove the foam insulator from the fuel rails.
  6. Cut the plastic tie strap (1).
  7. Disconnect the fuel pressure sensor electrical connector (2).
  8. Remove the fuel pressure sensor (3).
  9. Remove the bank 2 fuel rail fasteners (1).
  10. Remove the bank 1 fuel rail fasteners (1) for clearance purposes.
  11. Using the EN-49248-4 hook, raise the fuel rail (1) as an assembly.
  12. Once the fuel rail is free, remove the EN-49248 special tool.
  13. Slide the fuel rail (1) toward the front of the engine approximately 1 inch (25.4 mm), in order to clear the center injector bore.
  14. Once the fuel rail is removed, remove the fuel injectors and rebuild them. Refer to «Fuel Rail and Injectors Cleaning and Inspection (LF1, LFW or LFX)»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-off-vehicle__fuel-rail-and-injectors-cleaning-and) .
  1. Slide the fuel rail (1) toward the rear of the engine approximately 1 inch (25.4 mm), in order to align the center injector bore.
  2. Hand tighten the two outer fuel rail fasteners to seat the injectors.
  3. Start and hand tighten the remaining fuel rail fasteners.
  4. Tighten the fuel rail fasteners in the sequence shown above: First pass 12 (106 lb in). Final pass 23 (17 lb ft).
  5. Tighten the fuel pressure sensor (3) to 33 N.m (25 lb ft).
  6. Connect the fuel pressure sensor electrical connector (2) and secure it with a new plastic zip tie.
  7. Install the fuel feed intermediate pipe. Refer to «Fuel Feed Intermediate Pipe Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  8. Inspect for fuel leaks using the following procedure: Turn ON the ignition, with the engine OFF for 2 seconds. Turn OFF the ignition, for 10 seconds. Turn ON the ignition, with the engine OFF. Inspect for fuel leaks.
  9. Install the foam insulator to the fuel rails.
  10. Install the intake manifold. Refer to «Intake Manifold Replacement»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-on-vehicle) .
  11. Install the fuel pipe shield. Refer to «Fuel Pipe Shield Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  12. Install the low side fuel pressure service port cap.
  13. Install the fuel tank cap.

Fuel Injection Fuel Rail Assembly Replacement - Bank 2

Special Tools

EN-49248 Injector Rail Assembly Remover

For equivalent regional tools, refer to Special Tools .

  1. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-pressure-relief) .
  2. Remove the fuel pipe shield. Refer to «Fuel Pipe Shield Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  3. Remove the intake manifold. Refer to «Intake Manifold Replacement»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-on-vehicle) .
  4. Remove the fuel feed intermediate pipe. Refer to «Fuel Feed Intermediate Pipe Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  5. Remove the foam insulator from the fuel rails.
  6. Remove the bank 1 fuel rail fasteners (1).
  7. Remove the bank 2 fuel rail fasteners (1) for clearance purposes.
  8. Using the EN-49248-4 hook, raise the fuel rail (1) as an assembly.
  9. Once the fuel rail is free, remove the EN-49248 remover.
  10. Slide the fuel rail (1) toward the rear of the engine approximately 1 inch (25.4mm) in order to clear the center injector bore.
  11. Once the fuel rail is removed, remove the fuel injectors and rebuild them. Refer to «Fuel Rail and Injectors Cleaning and Inspection (LF1, LFW or LFX)»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-off-vehicle__fuel-rail-and-injectors-cleaning-and) .
  1. Slide the fuel rail (1) toward the front of the engine approximately 1 inch (25.4mm), in order to align the center injector bore.
  2. Hand tighten the two outer fuel rail fasteners to seat the injectors.
  3. Start and hand tighten the remaining fuel rail fasteners.
  4. Tighten the fuel rail fasteners in the sequence shown above: First pass 12 (106 lb in). Final pass 23 (17 lb ft).
  5. Install the fuel feed intermediate pipe. Refer to «Fuel Feed Intermediate Pipe Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  6. Inspect for fuel leaks using the following procedure: Turn ON the ignition, with the engine OFF for 2 seconds. Turn OFF the ignition, for 10 seconds. Turn ON the ignition, with the engine OFF. Inspect for fuel leaks.
  7. Install the foam insulator to the fuel rails.
  8. Install the intake manifold. Refer to «Intake Manifold Replacement»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-on-vehicle) .
  9. Install the fuel pipe shield. Refer to «Fuel Pipe Shield Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  10. Install the low side fuel pressure service port cap.
  11. Install the fuel tank cap.

Scheme 60

Scheme 60: Fuel Feed Intermediate Pipe Replacement
Scheme 60: Fuel Feed Intermediate Pipe Replacement
CalloutComponent Name
Preliminary Procedures Relieve the fuel system pressure. Refer to Fuel Pressure Relief . Remove the Intake manifold cover. Refer to Intake Manifold Cover Replacement . Remove the fuel pipe shield. Refer to Fuel Pipe Shield Replacement .
1Fitting (Qty: 3) CAUTION: Refer to Fastener Caution . Tighten Tighten the fittings in sequence (1, 2, 3). First Pass 15 N.m (11 lb ft) Second Pass 30 N.m (22 lb ft)
2Fuel Feed Intermediate Pipe Procedure Discard the pipe when removed and install a NEW pipe. Lubricate the pipes with silicon free engine oil. Refer to Adhesives, Fluids, Lubricants, and Sealers . Pressure up the fuel system and check for leaks.
CAUTION
Refer to Fastener Caution .

Fuel Feed Intermediate Pipe Replacement

Scheme 61

Scheme 61: Fuel Pipe Shield Replacement
Scheme 61: Fuel Pipe Shield Replacement
CalloutComponent Name
Preliminary Procedure Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
1Bolt CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2Retainer
3Fuel Pipe Shield
CAUTION
Refer to Fastener Caution .

Fuel Pipe Shield Replacement

Fuel Pump Replacement

Special Tools

EN-48896 High Pressure Fuel Pump Installation Alignment Gauge

For equivalent regional tools, refer to Special Tools .

  1. Relieve the low and high side fuel system pressure. Refer to «Fuel Pressure Relief»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-pressure-relief) .
  2. Remove the high pressure fuel pump shield. Refer to «Fuel Pipe Shield Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  3. Disconnect the engine wiring harness electrical connector from the high pressure fuel pump.
  4. Remove the low pressure feed pipe. Refer to «Fuel Feed Pipe Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  5. Remove the high pressure pipe. Discard the pipe. Refer to «Fuel Feed Intermediate Pipe Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  6. Remove and discard the high pressure fuel pump bolts (1).
  7. Remove the high pressure fuel pump (2).
  8. Remove and discard the high pressure fuel pump O-ring (3).
  9. Remove and discard the high pressure fuel pump gasket (4).
  10. Remove the high pressure fuel pump roller lifter (5).
  1. Use the EN-48896 alignment gauge to ensure that the camshaft lobe is in the base circle position. At base circle the tool will be flush with the head.
  2. Lubricate the high pressure fuel pump cylinder head bore and roller lifter with camshaft prelube. Refer to «Adhesives, Fluids, Lubricants, and Sealers»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-specifications__adhesives-fluids-lubricants-and-sealers) .
  3. Install the high pressure fuel pump roller lifter (5).
  4. Install a NEW high pressure fuel pump O-ring (3).
  5. Position the NEW high pressure fuel pump gasket (4) and bolts (1) to the fuel pump.
  6. Install the high pressure fuel pump (2). Force will be required while hand tightening the bolts.
  7. Tighten the high pressure fuel pump retaining bolts to 15 N.m (11 lb ft).
  8. Ensure the high pressure fuel pump and fuel rail fittings are clean prior to assembly.
  9. Install a NEW high pressure fuel pipe. Refer to «Fuel Feed Intermediate Pipe Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  10. Install the fuel feed pipe to the high pressure fuel pump. Refer to «Fuel Feed Pipe Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  11. Connect the high pressure fuel pump wiring harness.
  12. Install the fuel tank cap.
  13. Inspect for leaks using the following procedure: Turn ON the ignition, with the engine OFF for 2 seconds. Turn OFF the ignition, for 10 seconds. Turn ON the ignition, with the engine OFF. Inspect for fuel leaks.
  14. Install the pressure relief cap to the fuel feed pipe.
  15. Install the high pressure fuel pump shield. Refer to «Fuel Pipe Shield Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .

Fuel Injector and Fuel Rail Replacement

Special Tools

  1. EN-47909 Fuel Injector Bore and Sleeve Cleaning Kit
  2. EN-49248 Injector Rail Assembly Remover

For equivalent regional tools, refer to Special Tools .

  1. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions__fuel-pressure-relief) .
  2. Remove the fuel pipe shield. Refer to «Fuel Pipe Shield Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  3. Remove the intake manifold. Refer to «Intake Manifold Replacement»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-on-vehicle) .
  4. Remove the fuel feed intermediate pipe. Refer to «Fuel Feed Intermediate Pipe Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  5. Remove the foam insulator from the fuel rails.
  6. Remove the cylinder head. Refer to «Cylinder Head Replacement - Left Side (LF1, LFW, or LFX)»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-on-vehicle__cylinder-head-replacement-left-side) , or «Cylinder Head Replacement - Right Side (LF1, LFW, or LFX)»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-on-vehicle__cylinder-head-replacement-right-side)
  7. Remove the bolts (1) from the bank 2 fuel rail.
  8. Remove the bank 1 fuel rail and injectors (2) as an assembly. Refer to «Cylinder Head Disassemble (LF1, LFW or LFX)»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-off-vehicle__cylinder-head-disassemble-lf1-lfw-or) .
  9. Disconnect the bank 1 fuel injector electrical connections.
  10. Using the EN-49248-4 hook, raise the fuel rail (1) as an assembly.
  11. Once the fuel rail is free, remove the EN-49248 special tool.
  12. If the bank 2 fuel rail or injectors are being serviced, remove them. Refer to «Cylinder Head Disassemble (LF1, LFW or LFX)»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-off-vehicle__cylinder-head-disassemble-lf1-lfw-or) .
  13. Disconnect the bank 2 fuel injector and fuel pressure sensor electrical connections.
  14. It is necessary to rebuild the fuel injectors. Refer to «Fuel Rail and Injectors Cleaning and Inspection (LF1, LFW or LFX)»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-off-vehicle__fuel-rail-and-injectors-cleaning-and) .
  1. Clean the fuel injector bores using EN-47909 kit.
  2. Ensure that the fuel injectors have been properly rebuilt and lubricated. Refer to «Fuel Rail and Injectors Cleaning and Inspection (LF1, LFW or LFX)»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-off-vehicle__fuel-rail-and-injectors-cleaning-and) .
  3. Connect the bank 2 fuel injector and fuel pressure sensor electrical connections.
  4. Position the bank 2 fuel rail and evenly hand tighten the 2 outer fuel rail bolts to seat the injectors into the injector bores. Remove the bolts.
  5. Connect the bank 1 fuel injector electrical connections.
  6. Position the bank 1 fuel rail and evenly hand tighten the 2 outer fuel rail bolts to seat the injectors into the injector bores.
  7. Start and hand tighten the remaining fuel rail bolts.
  8. Tighten the bank 1 and bank 2 fuel rail bolts. Tighten the inner fuel rail bolts to 10 N.m (89 lb in). Tighten the outer fuel rail bolts to 10 N.m (89 lb in).
  9. Replace any wire harness tie straps cut from the fuel rails.
  10. Install the cylinder head. Refer to «Cylinder Head Replacement - Left Side (LF1, LFW, or LFX)»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-on-vehicle__cylinder-head-replacement-left-side) , or «Cylinder Head Replacement - Right Side (LF1, LFW, or LFX)»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-on-vehicle__cylinder-head-replacement-right-side)
  11. Install the fuel feed intermediate pipe. Refer to «Fuel Feed Intermediate Pipe Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  12. Inspect for fuel leaks using the following procedure: Turn ON the ignition, with the engine OFF for 2 seconds. Turn OFF the ignition, for 10 seconds. Turn ON the ignition, with the engine OFF. Inspect for fuel leaks.
  13. Install the foam insulator to the fuel rails.
  14. Install the intake manifold. Refer to «Intake Manifold Replacement»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-on-vehicle) .
  15. Install the fuel pipe shield. Refer to «Fuel Pipe Shield Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  16. Install the low side fuel pressure service port cap.

Scheme 62

Scheme 62: Evaporative Emission Canister Purge Solenoid Valve Replacement
Scheme 62: Evaporative Emission Canister Purge Solenoid Valve Replacement
CalloutComponent Name
Preliminary Procedure Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
1Bolt CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2Evaporative Emission Canister Purge Solenoid Valve Procedure Disconnect the EVAP canister purge solenoid harness connector. Install a NEW O-ring.
CAUTION
Refer to Fastener Caution .

Evaporative Emission Canister Purge Solenoid Valve Replacement

  1. Remove the evaporative emission (EVAP) canister. Refer to «Evaporative Emission Canister Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  2. Rotate the EVAP canister vent valve counterclockwise to release from the locked position.
  3. Remove the vent valve from the EVAP canister.
  1. Insert the EVAP canister vent solenoid valve into the EVAP canister, with the valve aligned to the released position.
  2. Rotate vent valve clockwise to secure into the locked position.
  3. Install the EVAP canister. Refer to «Evaporative Emission Canister Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .

Scheme 63

Scheme 63: Evaporative Emission Line Replacement - Chassis to Canister
Scheme 63: Evaporative Emission Line Replacement - Chassis to Canister
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Disconnect the quick connectors. Refer to Plastic Collar Quick Connect Fitting Service .
1Evaporative Emission Line Procedure Disengage the line from the plastic retainers.

Evaporative Emission Line Replacement - Chassis to Canister

  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/chevrolet/equinox/ii-2009-2015/remont/ignition-switchsteering-lock/#general-information) .
  2. Disconnect the EVAP canister fresh air hose/pipe from the fuel tank fresh air hose/pipe (2). Refer to «Plastic Collar Quick Connect Fitting Service»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  3. Disconnect the EVAP canister vent hose/pipe from the EVAP canister. Refer to «Plastic Collar Quick Connect Fitting Service»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  4. Disconnect the EVAP canister purge hose/pipe (1) from the EVAP canister.
  5. Remove the EVAP canister-to-underbody nuts (3).
  6. Lower the EVAP canister.
  7. Disconnect the EVAP vent solenoid electrical connector (1).
  8. Remove the EVAP canister (4) from the vehicle.
  1. Connect the EVAP vent solenoid electrical connector (1).
  2. Install the EVAP canister (4) to the underbody of the vehicle.
  3. Install the EVAP canister-to-underbody nuts (3). Tighten Tighten the nuts to 9 N.m (80 lb in).
  4. Connect the EVAP canister purge hose/pipe (1) to the EVAP canister.
  5. Connect the EVAP canister vent hose/pipe (3) to the EVAP canister. Refer to «Plastic Collar Quick Connect Fitting Service»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  6. Connect the EVAP canister fresh air hose/pipe to the fuel tank fresh air hose/pipe (2). Refer to «Plastic Collar Quick Connect Fitting Service»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  7. Lower the vehicle.

Evaporative Emission System Cleaning

Special Tools

J 41413-200 Evaporative Emissions System Tester

For equivalent regional tools, refer to Special Tools .

Inspection Procedure

CAUTIONUse the Evaporative Emission (EVAP) System Tester (EEST) GE 41413-A in order to provide a clean, dry, low pressure nitrogen gas source. Do not substitute any other pressurized source, gas or otherwise. Damage may result to the EVAP system, test equipment or cause a safety risk.
  1. Turn OFF the ignition.
  2. Remove the EVAP canister purge valve. Refer to «Evaporative Emission Canister Purge Solenoid Valve Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  3. Lightly tap the EVAP canister purge valve on a hard surface.
  4. Inspect for carbon particles exiting either of the vacuum ports. If no carbon particles were detected, but a blockage was detected during a diagnostic procedure, install the original EVAP canister purge valve. Continue with the cleaning procedure. If carbon particles are found during the inspection procedure, continue with the cleaning procedure. If a diagnostic procedure directed you to replace the EVAP canister purge valve and no carbon particles were detected, replace the EVAP canister purge valve. Return to the published service procedure.

Cleaning Procedure

  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/chevrolet/equinox/ii-2009-2015/remont/ignition-switchsteering-lock/#general-information) .
  2. Remove the EVAP canister. Refer to «Evaporative Emission Canister Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  3. Turn OFF the main valve on the J 41413-200 tester.
  4. Disconnect the hose from the diagnostic station pressure regulator.
  5. Using a section of vacuum hose, connect one end onto the EVAP pressure/purge diagnostic station pressure regulator.
  6. Connect the other end of the vacuum hose to the canister side of the purge pipe.
  7. Turn ON the main nitrogen cylinder valve and continue to discharge nitrogen for 15 seconds.
  8. If the nitrogen does not clear the blockage, replace the purge pipe.
  9. Return the EVAP pressure/purge diagnostic station to the stations original condition.
  10. Install a new EVAP canister. Refer to «Evaporative Emission Canister Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  11. Lower the vehicle.
  12. Install a new EVAP canister purge valve. Refer to «Evaporative Emission Canister Purge Solenoid Valve Replacement»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  13. Return to the diagnostic table that sent you here.
  1. Remove the intake manifold. Refer to «Intake Manifold Replacement»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-on-vehicle) .
  2. Disconnect the engine wiring harness electrical connector(s) (1) from the ignition coil(s) (4).
  3. Remove the ignition coil bolt(s).
  4. Remove the ignition coil(s).
  1. Install the ignition coil(s).
  2. Install the ignition coil bolt(s). Tighten Tighten the bolt(s) to 10 N.m (89 lb in).
  3. Connect the engine wiring harness electrical connector(s) (1) to the ignition coil(s) (4).
  4. Install the intake manifold. Refer to «Intake Manifold Replacement»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-on-vehicle) .
  1. Remove the intake manifold cover. Refer to «Intake Manifold Cover Replacement»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-on-vehicle) .
  2. Disconnect the engine wiring harness electrical connector(s) (5) from the ignition coil(s) (4).
  3. Remove the ignition coil bolt(s).
  4. Remove the ignition coil(s).
  1. Install the ignition coil(s).
  2. Install the ignition coil bolt(s). Tighten Tighten the bolt(s) to 10 N.m (89 lb in).
  3. Connect the engine wiring harness electrical connector(s) (5) to the ignition coil(s) (4).
  4. Install the intake manifold cover. Refer to «Intake Manifold Cover Replacement»(/chevrolet/equinox/ii-2009-2015/remont/mechanical/#engine-mechanical-30l-repair-instructions-on-vehicle) .

Spark Plug Usage

  1. Ensure that the correct spark plug is installed. An incorrect spark plug causes driveability conditions. Refer to the Electronic Parts Catalog.
  2. Ensure that the spark plug has the correct heat range. An incorrect heat range causes the following conditions: Spark plug fouling-Colder plug Pre-ignition causing spark plug and/or engine damage-Hotter plug

Spark Plug Inspection

  1. Inspect the terminal post (1) for damage. Inspect for a bent or broken terminal post (1). Test for a loose terminal post (1) by twisting and pulling the post. The terminal post (1) should NOT move.
  2. Inspect the insulator (2) for flashover or carbon tracking, soot. This is caused by the electrical charge traveling across the insulator (2) between the terminal post (1) and ground. Inspect for the following conditions: Inspect the spark plug boot for damage. Inspect the spark plug recess area of the cylinder head for moisture, such as oil, coolant, or water. A spark plug boot that is saturated causes arcing to ground.
  3. Inspect the insulator (2) for cracks. All or part of the electrical charge may arc through the crack instead of the electrodes (3, 4).
  4. Inspect for evidence of improper arcing. Measure the gap between the center electrode (4) and the side electrode (3) terminals. Refer to «Ignition System Specifications»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-specifications__ignition-system-specifications) . An excessively wide electrode gap can prevent correct spark plug operation. Inspect for the correct spark plug torque. Refer to «Ignition System Specifications»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-specifications__ignition-system-specifications) . Insufficient torque can prevent correct spark plug operation. An over torqued spark plug, causes the insulator (2) to crack. Inspect for signs of tracking that occurred near the insulator tip instead of the center electrode (4). Inspect for a broken or worn side electrode (3). Inspect for a broken, worn, or loose center electrode (4) by shaking the spark plug. A rattling sound indicates internal damage. A loose center electrode (4) reduces the spark intensity. Inspect for bridged electrodes (3, 4). Deposits on the electrodes (3, 4) reduce or eliminates the gap. Inspect for worn or missing platinum pads on the electrodes (3, 4), if equipped. Inspect for excessive fouling.
  5. Inspect the spark plug recess area of the cylinder head for debris. Dirty or damaged threads can cause the spark plug not to seat correctly during installation.

Spark Plug Visual Inspection

  1. Normal operation-Brown to grayish-tan with small amounts of white powdery deposits are normal combustion by-products from fuels with additives.
  2. Carbon fouled-Dry, fluffy, black carbon or soot caused by the following conditions: Rich fuel mixtures Leaking fuel injectors Excessive fuel pressure Restricted air filter element Incorrect combustion Reduced ignition system voltage output Weak coils Worn ignition wires Incorrect spark plug gap Excessive idling or slow speeds under light loads can keep spark plug temperatures so low that normal combustion deposits may not burn off.
  3. Deposit fouling-Oil, coolant, or additives that include substances such as silicone, very white coating, reduces the spark intensity. Most powdery deposits will not effect spark intensity unless they form into a glazing over the electrode.
  1. Remove the ignition coil(s). Refer to «Ignition Coil Replacement - Bank 1»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) , and/or «Ignition Coil Replacement - Bank 2»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .
  2. Use compressed air in order to remove debris from the spark plug cavity.
  3. Remove the spark plug.
  1. Ensure that the spark plug gap is equivalent to the spark plug gap specification. Refer to «Ignition System Specifications»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-specifications__ignition-system-specifications) .
  2. Install the spark plug and tighten to 18 N.m (13 lb ft).
  3. Install the ignition coil(s). Refer to «Ignition Coil Replacement - Bank 1»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) , and/or «Ignition Coil Replacement - Bank 2»(/chevrolet/equinox/ii-2009-2015/remont/testing-diagnostics/#engine-controlsfuel-30l-repair-instructions) .

Scheme 64

Scheme 64: Crankshaft Position Sensor Replacement
Scheme 64: Crankshaft Position Sensor Replacement
CalloutComponent Name
Preliminary Procedures If equipped with AWD, remove the right side catalytic converter. Refer to Catalytic Converter Replacement - Right Side (LFW) . Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1Bolt CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2Bolt Tighten 58 N.m (42 lb ft)
3Exhaust Manifold Lower Heat Shield
4Bolt Tighten 10 N.m (89 lb in)
5Crankshaft Position Sensor Procedure Disconnect the crankshaft position sensor harness connector.
CAUTION
Refer to Fastener Caution .

Crankshaft Position Sensor Replacement

Scheme 65

Scheme 65: Camshaft Position Sensor Replacement - Bank 2 (Left Side) Exhaust
Scheme 65: Camshaft Position Sensor Replacement - Bank 2 (Left Side) Exhaust
CalloutComponent Name
Preliminary Procedure Remove the engine mount bracket. Refer to Engine Mount Bracket Replacement - Right Side .
1Camshaft Position Sensor Fastener CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2Camshaft Position Sensor Procedure Disconnect the electrical connector.
CAUTION
Refer to Fastener Caution .

Camshaft Position Sensor Replacement - Bank 2 (Left Side) Exhaust

Scheme 66

Scheme 66: Camshaft Position Sensor Replacement - Bank 2 (Left Side) Intake
Scheme 66: Camshaft Position Sensor Replacement - Bank 2 (Left Side) Intake
CalloutComponent Name
Preliminary Procedure Remove the engine mount bracket. Refer to Engine Mount Bracket Replacement - Right Side .
1Camshaft Position Sensor Fastener CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2Camshaft Position Sensor Procedure Disconnect the electrical connector.
CAUTION
Refer to Fastener Caution .

Camshaft Position Sensor Replacement - Bank 2 (Left Side) Intake

Scheme 67

Scheme 67: Camshaft Position Sensor Replacement - Bank 1 (Right Side) Exhaust
Scheme 67: Camshaft Position Sensor Replacement - Bank 1 (Right Side) Exhaust
CalloutComponent Name
Preliminary Procedure Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
1Camshaft Position Sensor Fastener CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2Camshaft Position Sensor Procedure Disconnect the electrical connector.
CAUTION
Refer to Fastener Caution .

Camshaft Position Sensor Replacement - Bank 1 (Right Side) Exhaust

Scheme 68

Scheme 68: Camshaft Position Sensor Replacement - Bank 1 (Right Side) Intake
Scheme 68: Camshaft Position Sensor Replacement - Bank 1 (Right Side) Intake
CalloutComponent Name
Preliminary Procedure Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
1Camshaft Position Sensor Fastener CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2Camshaft Position Sensor Procedure Disconnect the electrical connector.
CAUTION
Refer to Fastener Caution .

Camshaft Position Sensor Replacement - Bank 1 (Right Side) Intake

Scheme 69

Scheme 69: Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Intake
Scheme 69: Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Intake
CalloutComponent Name
Preliminary Procedure Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
1Camshaft Position Actuator Solenoid Valve Fastener CAUTION: Refer to Fastener Caution . Procedure Disconnect the electrical connector. Tighten 10 N.m (89 lb in)
2Camshaft Position Actuator Solenoid Valve
CAUTION
Refer to Fastener Caution .

Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Intake

Scheme 70

Scheme 70: Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Exhaust
Scheme 70: Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Exhaust
CalloutComponent Name
Preliminary Procedure Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
1Camshaft Position Actuator Solenoid Valve Fastener CAUTION: Refer to Fastener Caution . Procedure Disconnect the electrical connector. Tighten 10 N.m (89 lb in)
2Camshaft Position Actuator Solenoid Valve
CAUTION
Refer to Fastener Caution .

Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Exhaust

Scheme 71

Scheme 71: Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Intake
Scheme 71: Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Intake
CalloutComponent Name
Preliminary Procedure Remove the engine mount bracket. Refer to Engine Mount Bracket Replacement - Right Side .
1Camshaft Position Actuator Solenoid Valve Fastener CAUTION: Refer to Fastener Caution . Procedure Disconnect the electrical connector. Tighten 10 N.m (89 lb in)
2Camshaft Position Actuator Solenoid Valve
CAUTION
Refer to Fastener Caution .

Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Intake

Scheme 72

Scheme 72: Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Exhaust
Scheme 72: Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Exhaust
CalloutComponent Name
Preliminary Procedure Remove the engine mount bracket. Refer to Engine Mount Bracket Replacement - Right Side .
1Camshaft Position Actuator Solenoid Valve Fastener CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2Camshaft Position Actuator Solenoid Valve Procedure Disconnect the electrical connector.
CAUTION
Refer to Fastener Caution .

Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Exhaust

Scheme 73

Scheme 73: Knock Sensor Replacement - Bank 1
Scheme 73: Knock Sensor Replacement - Bank 1
CalloutComponent Name
Preliminary Procedures If equipped with AWD, remove the right side catalytic converter. Refer to Catalytic Converter Replacement - Right Side (LFW) . Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1Bolt CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2Bolt Tighten 58 N.m (42 lb ft)
3Exhaust Manifold Lower Heat Shield
4Bolt Tighten 25 N.m (18 lb ft)
5Knock Sensor Procedure Disconnect the electrical connector.
CAUTION
Refer to Fastener Caution .

Knock Sensor Replacement - Bank 1

Scheme 74

Scheme 74: Knock Sensor Replacement - Bank 2
Scheme 74: Knock Sensor Replacement - Bank 2
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1Knock Sensor Fastener CAUTION: Refer to Fastener Caution . Tighten 25 N.m (18 lb ft)
2Knock Sensor Procedure Disconnect the electrical connector.
CAUTION
Refer to Fastener Caution .

Knock Sensor Replacement - Bank 2

Scheme 75

Scheme 75: Air Cleaner Element Replacement
Scheme 75: Air Cleaner Element Replacement
CalloutComponent Name
Preliminary Procedure Disconnect the air cleaner outlet duct from the air cleaner. Refer to Air Cleaner Outlet Duct Replacement .
1Air Cleaner Fastener (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten 2 N.m (18 lb in)
2Air Cleaner Element Procedure Disconnect the mass airflow with intake air temperature sensor. Disconnect the throttle inlet absolute pressure sensor.
CAUTION
Refer to Fastener Caution .

Air Cleaner Element Replacement

Scheme 76

Scheme 76: Air Cleaner Assembly Replacement
Scheme 76: Air Cleaner Assembly Replacement
CalloutComponent Name
Preliminary Procedures Disconnect the air cleaner outlet duct from the air cleaner assembly. Refer to Air Cleaner Outlet Duct Replacement . If required, remove the throttle inlet absolute pressure sensor. Refer to Throttle Inlet Absolute Pressure Sensor Replacement . If required, remove the mass airflow sensor. Refer to Mass Airflow Sensor with Intake Air Temperature Sensor Replacement .
1Air Cleaner Assembly Fastener (Qty: 2) CAUTION: Refer to Fastener Caution Tighten 6 N.m (53 lb in)
2Air Cleaner Assembly
CAUTION
Refer to Fastener Caution

Air Cleaner Assembly Replacement

Scheme 77

Scheme 77: Air Cleaner Outlet Duct Replacement
Scheme 77: Air Cleaner Outlet Duct Replacement
CalloutComponent Name
Preliminary Procedure Disconnect the front positive crankcase ventilation tube. Refer to Positive Crankcase Ventilation Tube Replacement - Front .
1Air Cleaner Clamp (Qty: 2) CAUTION: Refer to Fastener Caution . Tighten 4 N.m (35 lb in)
2Air Cleaner Outlet Duct
CAUTION
Refer to Fastener Caution .

Air Cleaner Outlet Duct Replacement

See also:
• Diagnostic Trouble Code (DTC) List - Vehicle
• Battery Negative Cable Disconnection and Connection
• Control Module References
• Cooling System Draining and Filling (GE 47716)
• Cooling System Draining and Filling (Static LF1 or LFW)
• Fastener Caution
• Intake Manifold Cover Replacement
• Lifting and Jacking the Vehicle
• Drivetrain and Front Suspension Frame Replacement
• Heated Oxygen and Oxygen Sensor Caution
• Adhesives, Fluids, Lubricants, and Sealers
• Instrument Panel Insulator Panel Replacement - Left Side (Equinox)
• Instrument Panel Insulator Panel Replacement - Left Side (Terrain)
• Communication Interface Module Replacement
• Special Tools
• Gasoline/Gasoline Vapors Warning
• Relieving Fuel Pressure Warning
• Exhaust Muffler Replacement
• Propeller Shaft Replacement
• Rear Wheelhouse Panel Liner Replacement (Terrain)
• Plastic Collar Quick Connect Fitting Service
• Fuel Rail and Injectors Cleaning and Inspection (LF1, LFW or LFX)
• Cylinder Head Replacement - Left Side (LF1, LFW, or LFX)
• Cylinder Head Replacement - Right Side (LF1, LFW, or LFX)
• Cylinder Head Disassemble (LF1, LFW or LFX)
• Ignition System Specifications
• Safety Glasses and Compressed Air Warning
• Throttle/Idle Learn
• Fuel Pressure Relief
• Fuel Tank Draining
• Fuel Tank Fuel Pump Module Replacement

More articles — Engine Performance