Engine Controls and Fuel - 4.4L - Introduction: Removal & Installation Cadillac STS I facelift

Engine Control Module Replacement

Note. It is necessary to record the remaining engine oil life. If the replacement module is not programed with the remaining engine oil life, the engine oil life will default to 100 percent. If the replacement module is not programmed with the remaining engine oil life, the engine oil will need to be changed at 5 000 km (3,000 mi) from the last engine oil change.

Note. It is necessary to record the remaining automatic transmission fluid life. If the replacement module is not programed with the remaining automatic transmission fluid life, the automatic transmission fluid life will default to 100 percent. If the replacement module is not programmed with the remaining automatic transmission fluid life, the automatic transmission fluid will need to be changed at 83 000 km (50,000 mi) from the last automatic transmission fluid change.

Removal Procedure

1. Using a scan tool, retrieve the percentage of remaining engine oil and the remaining automatic transmission fluid life. Record the remaining engine oil and the remaining automatic transmission fluid life.
2. Turn OFF the ignition.
3. Disconnect the battery negative cable. Refer to «Battery Negative Cable Disconnection and Connection (Side Post)»(ref-338135-S42862392442009081700000) .
4. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-338130-S15906308302009081700000) .
5. Remove the front air deflector. Refer to «Front Air Deflector Replacement»(ref-338114-S23457007412009081700000) .
6. Disconnect the engine control module (ECM) electrical connectors (1).
7. Remove the ECM mounting nuts (2).
8. Remove the ECM from the vehicle.

Installation Procedure

1. Install the ECM to the vehicle.
2. Install the ECM mounting nuts (2) and tighten to 8 N.m (71 lb in).
3. Connect the ECM electrical connectors (1).
4. Install the front air deflector. Refer to «Front Air Deflector Replacement»(ref-338114-S23457007412009081700000) .
5. Lower the vehicle.
6. Connect the battery negative cable. Refer to «Battery Negative Cable Disconnection and Connection (Side Post)»(ref-338135-S42862392442009081700000) .
7. Program the ECM. Refer to «Control Module References»(ref-338152-S12253781062009081700000) for programming and setup information.

1. Turn OFF the ignition
2. Remove the rear supercharger inlet duct assembly. Refer to «Supercharger Inlet Duct Assembly Replacement»(ref-338172-S35176669982009081700000) .
3. Drain the coolant to below the level of the engine coolant temperature (ECT) sensor. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-338194-S38676017542009081700000) or «Cooling System Draining and Filling (Static Fill)»(ref-338194-S21329102432009081700000) .
4. Disconnect the ECT sensor harness connector.
5. Remove the ECT sensor.

1. Coat the sensor threads with sealer GM P/N 1050805, or equivalent.
2. Install the ECT sensor and tighten to 20 N.m (15 lb ft).
3. Connect the ECT sensor harness connector.
4. Install the rear supercharger inlet duct assembly. Refer to «Supercharger Inlet Duct Assembly Replacement»(ref-338172-S35176669982009081700000) .
5. Refill the coolant system. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-338194-S38676017542009081700000) or «Cooling System Draining and Filling (Static Fill)»(ref-338194-S21329102432009081700000) .

1. Remove the front engine compartment sight shield. Refer to «Front Compartment Sight Shields Replacement»(ref-338113-S37193842242009081700000) .
2. Disconnect the mass air flow (MAF)/intake air temperature (IAT) sensor electrical connector.
3. Remove the MAF/IAT sensor screws.
4. Carefully remove the MAF/IAT sensor (1) from the air cleaner housing cover duct.
5. Discard the MAF/IAT sensor gasket.

1. Install a NEW MAF/IAT sensor gasket.
2. Carefully install the MAF/IAT sensor (1) into the air cleaner housing cover duct.
3. Install the MAF/IAT sensor screws and tighten to 4 N.m (35 lb in).
4. Reconnect the MAF/IAT sensor electrical connector.
5. Install the front engine compartment sight shield. Refer to «Front Compartment Sight Shields Replacement»(ref-338113-S37193842242009081700000) .

1. Remove the intake manifold sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Disconnect the intake air temperature (IAT) sensor 2 electrical connector.
3. Remove the IAT sensor 2 (1).

1. Coat the sensor threads with sealer. Refer to «Adhesives, Fluids, Lubricants, and Sealers»(ref-338166-S23765457392009081700000) .
2. Install the IAT sensor 2 (1) and tighten to 20 N.m (15 lb ft).
3. Connect the IAT sensor 2 electrical connector.
4. Install the intake manifold sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Turn the ignition OFF.
2. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
3. Disconnect the manifold absolute pressure (MAP) sensor (3) electrical connector.
4. Remove the MAP sensor from the bracket.
5. Disconnect the vacuum line fitting (1) from the bottom of the MAP sensor.
6. Inspect the MAP sensor vacuum line and fittings (1,2) for leaks.

1. Connect the vacuum line fitting (1) to the port on the bottom of the MAP sensor.
2. Install the MAP sensor to the bracket.
3. Connect the MAP sensor (3) electrical connector.
4. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Turn the ignition OFF.
2. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
3. Disconnect the barometric pressure (BARO) sensor (2) electrical connector.
4. Remove the BARO sensor (2) from the bracket.

1. Install the BARO sensor (2) to the bracket.
2. Connect the BARO sensor electrical connector.
3. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Turn the ignition OFF.
2. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
3. Disconnect the supercharger inlet absolute pressure (SCIAP) sensor (1) electrical connector.
4. Remove the SCIAP sensor from the bracket.
5. Disconnect the vacuum line fitting (2) from the bottom of the SCIAP sensor.
6. Inspect the SCIAP sensor vacuum line and fittings (1, 2) for leaks.

1. Connect the vacuum line fitting (2) to the port on the bottom of the SCIAP sensor.
2. Install the SCIAP sensor to the bracket.
3. Connect the SCIAP sensor (1) electrical connector.
4. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Disconnect the electrical connector (3) from the supercharger bypass regulator solenoid valve (2).
3. Disconnect the vacuum line fittings (4, 5) from the supercharger bypass regulator solenoid valve.
4. Remove the supercharger bypass regulator solenoid valve from the bracket.
5. Remove the bolt (1) and bracket if necessary.
6. Inspect the bypass regulator solenoid valve vacuum supply line and fittings (1, 2). Replace the vacuum line if necessary.
7. Inspect the bypass regulator solenoid valve to bypass valve actuator vacuum line and fittings (1, 2). Replace the vacuum line if necessary.

1. Install the bracket and bolt (1) if previously removed. Tighten the supercharger bypass regulator solenoid valve bracket bolt to 9 N.m (80 lb in).
2. Install the bypass regulator solenoid valve (2) to the bracket.
3. Connect the vacuum line fittings (4, 5) to the bypass regulator solenoid valve.
4. Connect the electrical connector (3) to the bypass regulator solenoid valve.
5. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Remove the cross vehicle brace. Refer to «Cross Vehicle Brace Replacement»(ref-338113-S17625406482009081700000) .
2. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
3. Remove the front section of the supercharger inlet duct. Refer to «Supercharger Inlet Duct Assembly Replacement»(ref-338172-S35176669982009081700000) .
4. Remove the supercharger bypass regulator solenoid valve (2). Refer to «Charge Air Bypass Regulator Solenoid Valve Replacement»(ref-338172-S37378381702009081700000) .
5. Drain the charge air cooling system. Refer to «Charge Air Cooling System Draining and Filling (Static Fill)»(ref-338194-S00254263582009081700000) or «Charge Air Cooling System Draining and Filling (Vac N Fill)»(ref-338194-S05018008372009081700000) .
6. Remove the front portion of the supercharger front manifold (2). It is not necessary to remove the hoses from the manifold. Position the hoses with manifold aside. Refer to «Charge Air Cooler Front Manifold Replacement»(ref-338139-S05175807662009081700000) .
7. Disconnect the vacuum lines (3, 4) from the supercharger bypass actuator valve.
8. Remove the actuator mounting bolts (1, 2).
9. The bypass valve actuator rod is keyed with the bypass valve actuator cable.
10. Remove the fuel line from the clip on the front of the supercharger. Position the fuel line aside using mechanics wire.
11. Push the bypass valve actuator downward in order to remove the bypass valve actuator rod from the bypass valve actuator cable. The downward pressure will rotate the end of the cable into the proper position so that the actuator rod can be removed from the cable end. Use a flat blade screwdriver if necessary, to disengage the rod from the cable end.
12. Remove the supercharger bypass valve actuator from the vehicle.

1. Grasp the end of the actuator valve cable (1) with the EN-47814 (2). See «Special Tools»(ref-338172-S20846664812009081700000) .
2. Pull the cable end towards the front of vehicle and down as shown.
3. Install the actuator valve rod to the cable end as shown.
4. Remove the EN-47814 . See «Special Tools»(ref-338172-S20846664812009081700000) .
5. Install the actuator valve bolts (1, 2) loosely so that the actuator can be moved up and down by hand.
6. Gently pull up on the actuator until all slack from the cable is gone.
7. Tighten the bolts (1, 2) enough to hold the actuator in place.
8. Install the guide pin (1) from the EN-47814 to the front of the supercharger. See «Special Tools»(ref-338172-S20846664812009081700000) . Use a screw driver to ensure that the pin is installed tightly.
9. Install the adjustment block (3) from the EN-47814 to the guide pin (2). See «Special Tools»(ref-338172-S20846664812009081700000) .
10. With the adjustment block sitting on the actuator (4), tighten the thumb screw (1).
11. Loosen the actuator mounting bolts and allow the actuator to drop down.
12. Insert the flat handle from the EN-47814 (3) between the actuator and the actuator adjustment block (2). See «Special Tools»(ref-338172-S20846664812009081700000) .
13. With the handle from the EN-47814 in place acting as a spacer, pull the actuator up removing all slack. See «Special Tools»(ref-338172-S20846664812009081700000) .
14. With the slack removed, tighten the actuator mounting bolts. Tighten the supercharger bypass valve actuator bolts to 10 N.m (89 lb in).
15. Remove the EN-47814 . See «Special Tools»(ref-338172-S20846664812009081700000) .
16. Install the fuel line to the clip on the front of the supercharger.
17. Connect the vacuum lines (3, 4) to the supercharger bypass actuator valve.
18. Install the front portion of the supercharger front manifold (2). Refer to «Charge Air Cooler Front Manifold Replacement»(ref-338139-S05175807662009081700000) .
19. Install the supercharger bypass regulator solenoid valve (2). Refer to «Charge Air Bypass Regulator Solenoid Valve Replacement»(ref-338172-S37378381702009081700000) .
20. Install the front section of the supercharger inlet duct. Refer to «Supercharger Inlet Duct Assembly Replacement»(ref-338172-S35176669982009081700000) .
21. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
22. Install the cross vehicle brace. Refer to «Cross Vehicle Brace Replacement»(ref-338113-S17625406482009081700000) .
23. Fill the charge air cooling system with coolant and check for leaks. Refer to «Charge Air Cooling System Draining and Filling (Static Fill)»(ref-338194-S00254263582009081700000) or «Charge Air Cooling System Draining and Filling (Vac N Fill)»(ref-338194-S05018008372009081700000) .

1. Remove the supercharger. Refer to «Supercharger Replacement»(ref-338139-S11747614572009081700000) .
2. Install the EN-47833 supercharger service holding fixture to the supercharger while the supercharger is suspended by the engine hoist. See «Special Tools»(ref-338172-S20846664812009081700000) .
3. Place the supercharger on a workbench and remove the engine hoist.
4. Remove the throttle body. Refer to «Throttle Body Assembly Replacement»(ref-338172-S33256865002009081700000) .
5. Disconnect the bypass valve actuator vacuum hose at the supercharger bypass valve actuator (1).
6. Disconnect the bypass valve actuator pressure hose at the supercharger bypass valve actuator (1).
7. Remove the bypass valve actuator bolts.
8. Pivot the bypass valve actuator clockwise in order to remove the bypass valve actuator from the bypass valve actuator cable.
9. Align the tab on the bypass valve actuator rod with the slot in the bypass valve actuator cable end.
10. Slide the bypass valve actuator rod out of the bypass valve actuator cable.
11. Remove the bypass valve actuator.
12. Remove the bypass valve actuator cable bracket bolts from the supercharger.
13. Slide the bypass valve actuator cable clip off of the pin on the supercharger bypass valve.
14. Remove the bypass valve actuator cable.
15. Do NOT remove the supercharger bypass valve (1) from the supercharger.

1. Install the bypass valve actuator cable.
2. Install the bypass valve actuator cable bracket bolts to the supercharger and tighten to 10 N.m (89 lb in).
3. Slide the bypass valve actuator cable clip onto the pin on the supercharger bypass valve.
4. A new cable will have a plastic spacer installed that is used to set the slack in the bypass system. Use this spacer OR the EN-47814 following the instructions below. See «Special Tools»(ref-338172-S20846664812009081700000) .
5. Pull the retainer up on the wire above the bypass valve actuator cable clip in order to install the plastic spacer OR the EN-47814 . See «Special Tools»(ref-338172-S20846664812009081700000) . The plastic spacer OR the EN-47814 must be used to set the necessary slack in the bypass valve actuator cable. See «Special Tools»(ref-338172-S20846664812009081700000) .
6. Place the EN-47814 on the cable as shown. See «Special Tools»(ref-338172-S20846664812009081700000) .
7. Eliminate the slack in the bypass valve actuator cable by pressing down on the wire retainer.
8. Install the bypass valve actuator.
9. Align the bypass valve actuator rod to the bypass valve actuator cable.
10. Align the tab on the bypass valve actuator rod with the slot in the bypass valve actuator cable end.
11. Slide the bypass valve actuator rod into the bypass valve actuator cable.
12. Pivot the bypass valve actuator counter-clockwise in order to install bypass valve actuator.
13. Loosely install the bypass valve actuator bolts.
14. Pull up on the bypass valve actuator in order to eliminate any slack in the bypass valve actuator cable.
15. Tighten the bypass valve actuator bolts while maintaining proper alignment between the bypass valve actuator and the bypass valve actuator cable to 10 N.m (89 lb in).
16. Depending on the tool used, remove the plastic spacer or the EN-47814 . See «Special Tools»(ref-338172-S20846664812009081700000) .
17. Connect the bypass valve actuator pressure hose to the supercharger bypass valve actuator (1).
18. Connect the bypass valve actuator vacuum hose to the supercharger bypass valve actuator (1).
19. Install the throttle body. Refer to «Throttle Body Assembly Replacement»(ref-338172-S33256865002009081700000) .
20. Lift the supercharger off of the workbench using the engine hoist.
21. Remove the EN-47833 supercharger service holding tool fixture from the supercharger. See «Special Tools»(ref-338172-S20846664812009081700000) .
22. Install the supercharger. Refer to «Supercharger Replacement»(ref-338139-S11747614572009081700000) .

Note. Bank 1 on the LC3 engine is the right side of the engine while sitting in the driver seat. Sensor 1 is the sensor closest to the engine, or farthest forward towards the front of vehicle. A special anti-seize compound is used on the oxygen sensor threads. New service sensors should already have the compound applied to the threads. Coat the threads of a reused sensor with anti-seize compound P/N 5613695 or equivalent.

1. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Remove the front air inlet housing panel. Refer to «Air Inlet Housing Front Panel Replacement»(ref-338121-S36337963282009081700000) .
3. Disconnect the oxygen sensor electrical connector (1) from the engine wiring harness connector at the rear of the right head.
4. Remove the wire harness from the bracket.
5. Note the wire routing and attachment points for reassembly.
6. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-338130-S15906308302009081700000) .
7. Remove oxygen sensor from the exhaust manifold.

1. Install the heated oxygen sensor (HO2S) in the exhaust manifold and tighten to 42 N.m (31 lb ft).
2. Lower the vehicle.
3. Route and attach the wiring as noted during disassembly.
4. Connect the oxygen sensor electrical connector (1) to the engine wiring harness connector at the rear of the right head.
5. Install the wire harness to the bracket.
6. Install the front air inlet housing panel. Refer to «Air Inlet Housing Front Panel Replacement»(ref-338121-S36337963282009081700000) .
7. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

Note. Bank 1 on the LC3 engine is the right side of the engine while sitting in the driver seat. Sensor 2 is the second sensor down stream from the engine towards the rear of the vehicle. A special anti-seize compound is used on the oxygen sensor threads. New service sensors should already have the compound applied to the threads. Coat the threads of a reused sensor with anti-seize compound P/N 5613695 or equivalent.

1. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Remove the front air inlet housing panel. Refer to «Air Inlet Housing Front Panel Replacement»(ref-338121-S36337963282009081700000) .
3. Disconnect the oxygen sensor electrical connector (2) from the engine wiring harness connector at the rear of the right head.
4. Note the wire routing and attachment points for reassembly.
5. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-338130-S15906308302009081700000) .
6. Remove oxygen sensor from the exhaust pipe.

1. Install the heated oxygen sensor (HO2S) in the exhaust pipe and tighten to 42 N.m (31 lb ft).
2. Route and attach the wiring as noted during disassembly.
3. Lower the vehicle.
4. Connect the oxygen sensor electrical connector (2) to the engine wiring harness connector at the rear of the right head.
5. Install the front air inlet housing panel. Refer to «Air Inlet Housing Front Panel Replacement»(ref-338121-S36337963282009081700000) .
6. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

Note. Bank 2 on the LC3 engine is the left side of the engine while sitting in the driver seat. Sensor 1 is the sensor closest to the engine, or farthest towards the front of vehicle. A special anti-seize compound is used on the oxygen sensor threads. New service sensors should already have the compound applied to the threads. Coat the threads of a reused sensor with anti-seize compound P/N 5613695 or equivalent.

1. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Remove the windshield wiper transmission. Refer to «Windshield Wiper Transmission Replacement»(ref-338129-S33321473932009081700000) .
3. Disconnect the oxygen sensor electrical connector (2) from the engine wiring harness at the rear of the left head.
4. Note the wire routing and attachment points for reassembly.
5. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-338130-S15906308302009081700000) .
6. Remove the oxygen sensor from the exhaust manifold.

1. Install the heated oxygen sensor (HO2S) to the exhaust manifold and tighten to 42 N.m (31 lb ft).
2. Route and attach the wiring as noted during disassembly.
3. Lower the vehicle.
4. Connect the oxygen sensor electrical connector (2) to the engine wiring harness connector at the rear of the left head.
5. Install the windshield wiper transmission. Refer to «Windshield Wiper Transmission Replacement»(ref-338129-S33321473932009081700000) .
6. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

Note. Bank 2 on the LC3 engine is the left side of the engine while sitting in the driver seat. Sensor 2 is the second sensor down stream from the engine towards the rear of the vehicle. A special anti-seize compound is used on the oxygen sensor threads. New service sensors should already have the compound applied to the threads. Coat the threads of a reused sensor with anti-seize compound P/N 5613695 or equivalent.

1. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Remove the windshield wiper transmission. Refer to «Windshield Wiper Transmission Replacement»(ref-338129-S33321473932009081700000) .
3. Disconnect the oxygen sensor electrical connector (1) from the engine wiring harness at the rear of the left head.
4. Note the wire routing and attachment points for reassembly.
5. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-338130-S15906308302009081700000) .
6. Remove the oxygen sensor from the exhaust pipe.

1. Install the heated oxygen sensor (HO2S) to the exhaust pipe and tighten to 42 N.m (31 lb ft).
2. Route and attach the wiring as noted during disassembly.
3. Lower the vehicle.
4. Connect the oxygen sensor electrical connector (1) to the engine wiring harness connector at the rear of the left head.
5. Install the windshield wiper transmission. Refer to «Windshield Wiper Transmission Replacement»(ref-338129-S33321473932009081700000) .
6. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Remove the closeout/insulator panel from under the dashboard on the drivers side. Refer to «Instrument Panel Insulator Panel Replacement - Left Side»(ref-338119-S20980418342009081700000) or «Instrument Panel Insulator Panel Replacement - Right Side»(ref-338119-S20896233922009081700000) .
2. Disconnect the accelerator pedal position (APP) sensor electrical connector from the accelerator pedal module.
3. Remove the nuts from the APP sensor mounting plate and remove the APP sensor from the front of dash.

1. Install the APP sensor to the front of dash.
2. Install the APP sensor mounting nuts and tighten to 9 N.m (80 lb in).
3. Connect the APP sensor electrical connector.
4. Operate the accelerator pedal and observe the APP angles using a scan tool. The accelerator pedal should operate freely, without binding between closed throttle and wide open throttle.
5. Install the closeout/insulator panel. Refer to «Instrument Panel Insulator Panel Replacement - Left Side»(ref-338119-S20980418342009081700000) or «Instrument Panel Insulator Panel Replacement - Right Side»(ref-338119-S20896233922009081700000) .

Scheme 121

1. Remove the engine cover, if required.
2. Loosen the fuel fill cap in order to relieve the fuel tank vapor pressure.
3. Remove the fuel rail service port cap.
4. Wrap a shop towel around the fuel rail service port.
5. Connect the J 42242 to the fuel rail service port. See «Special Tools»(ref-338172-S20846664812009081700000) .
6. Connect the CH-48027-3 (4) to the J 42242 . See «Special Tools»(ref-338172-S20846664812009081700000) .
7. Connect the CH-48027-2 (2) to the CH-48027-3 (4).
8. Place the hose on the CH-48027-2 (2) into an approved gasoline container.
9. Open the valve on the CH-48027-2 (2) in order to bleed any fuel from the fuel rail.
10. Close the valve on the CH-48027-2 (2).
11. Remove the hose on the CH-48027-2 (2) from the approved gasoline container.
12. Disconnect the CH-48027-2 (2) from the CH-48027-3 (4).
13. Disconnect the CH-48027-3 (4) from the J 42242 . See «Special Tools»(ref-338172-S20846664812009081700000) .
14. Disconnect the J 42242 from the fuel rail service port. See «Special Tools»(ref-338172-S20846664812009081700000) .
15. Remove the shop towel from around the fuel rail service port, and place in an approved gasoline container.
16. Install the fuel rail service port cap.
17. Install the engine cover, if required.
18. Tighten the fuel fill cap.

1. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief (With CH 48027)»(ref-338172-S31973632672009081700000) or «Fuel Pressure Relief (Without CH 48027)»(ref-338172-S24852107662009081700000) .
2. Connect the CH-48027-1 (1) to the CH-48027-2 (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 , refer to the manufacture's directions.

1. Relieve the fuel system pressure, if required. Perform the following steps: WARNING: Wrap a shop towel around the fuel pressure connection in order to reduce the risk of fire and personal injury. The towel will absorb any fuel leakage that occurs during the connection of the fuel pressure gage. Place the towel in an approved container when the connection of the fuel pressure gage is complete. Wrap a shop towel around the fuel rail service port. Place the hose on the CH-48027-2 (2) into an approved gasoline container. Open the valve on the CH-48027-2 (2) in order to bleed any fuel from the fuel rail. Close the valve on the CH-48027-2 (2). Remove the hose on the CH-48027-2 (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-48027-1 (1) from the CH-48027-2 (2).
3. Disconnect the CH-48027-2 (2) from the CH-48027-3 (4).
4. Disconnect the CH-48027-3 (4) from the J 42242 . See «Special Tools»(ref-338172-S20846664812009081700000) .
5. Disconnect the J 42242 from the fuel rail service port. See «Special Tools»(ref-338172-S20846664812009081700000) .
6. Install the fuel rail service port cap.
7. Install the engine cover, if required.
8. Tighten the fuel fill cap.

1. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief (With CH 48027)»(ref-338172-S31973632672009081700000) or «Fuel Pressure Relief (Without CH 48027)»(ref-338172-S24852107662009081700000) .
2. Remove the retainer from the quick-connect fitting.
3. Blow dirt out of the fitting using compressed air.
4. Choose the correct tool for the size and access of the fitting: J 37088-A or J 44581 . Insert the 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. 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 fitting together to cause the retaining tabs to snap into place.
3. Once installed, pull on both sides of the fitting to make sure the connection is secure.
4. Install the retainer to the quick-connect fitting.

1. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief (With CH 48027)»(ref-338172-S31973632672009081700000) or «Fuel Pressure Relief (Without CH 48027)»(ref-338172-S24852107662009081700000) .
2. Blow dirt out of the fitting using compressed air.
3. Squeeze the plastic tabs of the male end connector.
4. Pull the connection apart.
5. Wipe off the male pipe end using a clean shop towel.
6. Inspect both ends of the fitting for dirt and burrs.
7. Clean or replace the components as required.

1. Push both sides of the quick-connect fitting together in order to cause the retaining tabs/fingers to snap into place. Apply a few drops of clean engine oil to the male pipe end.
2. Pull on both sides of the quick connect fitting in order to make sure the connection is secure.

1. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief (With CH 48027)»(ref-338172-S31973632672009081700000) or «Fuel Pressure Relief (Without CH 48027)»(ref-338172-S24852107662009081700000) .
2. Raise the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-338130-S15906308302009081700000) .
3. Place an approved container under the vehicle to catch the draining gasoline.
4. Disconnect the quick-connect fittings (4 and 5) at the fuel filter inlet. Refer to «Metal Collar Quick Connect Fitting Service»(ref-338172-S07600173952009081700000) .
5. Disconnect the quick-connect fitting (1) at the fuel filter outlet.
6. Drain any remaining fuel into an approved gasoline container.
7. Remove the fuel filter (3) by sliding it out of the bracket (2).
8. Remove the bolt (9) and bracket (2) if necessary.
9. Discard the fuel filter into an approved container.

1. Install the bracket (2) and bolt (9) if previously removed. Tighten the fuel filter bracket mounting bolt to 9 N.m (80 lb in).
2. Remove the protective caps from the new fuel filter.
3. If originally equipped, install new plastic connector retainers on the fuel filter ports. Install the new retainers in the same position as on the old fuel filter.
4. Slide the fuel filter into place.
5. Connect the quick-connect fitting (1) to the outlet side of the filter.
6. Connect the quick-connect fittings (4 and 5) to the inlet side of the filter. Refer to «Metal Collar Quick Connect Fitting Service»(ref-338172-S07600173952009081700000) .
7. Lower the vehicle.
8. Ensure that the fuel tank filler cap is installed correctly.
9. Connect the negative battery cable. Refer to «Battery Negative Cable Disconnection and Connection (Side Post)»(ref-338135-S42862392442009081700000) .
10. Perform the following procedure in order to inspect for leaks: 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.
11. Install the engine sight shield Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Drain the fuel tank. Refer to «Fuel Tank Draining»(ref-338172-S24097542722009081700000) .
2. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief (With CH 48027)»(ref-338172-S31973632672009081700000) or «Fuel Pressure Relief (Without CH 48027)»(ref-338172-S24852107662009081700000) .
3. Remove the exhaust system. Refer to «Exhaust System Replacement»(ref-338131-S05393811512009081700000) .
4. Remove the propeller shaft. Refer to «Rear Propeller Shaft Replacement (AWD)»(ref-338144-S22580991792009081700000) or «Rear Propeller Shaft Replacement (RWD)»(ref-338144-S39823555952009081700000) .
5. Disconnect the filler hose (1) from the fuel tank.
6. Disconnect the filler vent tube (2) from the evaporative emission (EVAP) hose. Refer to «Plastic Collar Quick Connect Fitting Service»(ref-338172-S09699762932009081700000) .
7. Disconnect the fuel feed hoses (4 and 5) from the fuel filter. Refer to «Metal Collar Quick Connect Fitting Service»(ref-338172-S07600173952009081700000) .
8. Disconnect the fuel EVAP hose (6) from the chassis bundle. Refer to «Plastic Collar Quick Connect Fitting Service»(ref-338172-S09699762932009081700000) .
9. Disconnect the fuel tank electrical connector.
10. Disconnect the EVAP hoses from the EVAP canister.
11. Pull outward on the retainer tab in order to disengage the retainer from the chassis.
12. Disconnect the electrical connector from the EVAP canister vent solenoid valve.
13. Disconnect the fuel tank pressure sensor electrical connector from the EVAP canister.
14. Remove the bolt (7) from the right side rear suspension bracket brace.
15. Loosen the nut (8) and allow the brace to swing downward. This will provide clearance while lowering the rear frame.
16. Remove the bolt (1) from the left side rear suspension bracket brace.
17. Loosen the nut (2) and allow the brace to swing downward. This will provide clearance while lowering the rear frame.
18. Raise the lower control arms using a suitable screw jack (3) in order to remove the load from the lower shock bolts (2).
19. Remove the lower shock bolts (2).
20. Remove the screw jack (3).
21. Position the screw jack under the rear frame near the adjuster tie bar, in order to support the front of the rear frame.
22. Remove the 2 front bolts from the rear frame.
23. Lower the screw jack until there is approximately 50 mm (2 in) (a) between the front mounting surface of the rear frame and the chassis. This will allow clearance to access the fuel tank strap bolts.
24. Remove the fuel tank strap bolts.
25. Position the fuel tank straps downward around the rear frame.
26. Carefully bend the fuel tank straps ONLY enough to allow the fuel tank to be removed.
27. With the aid of an assistant, carefully lower the fuel tank from the vehicle.
28. If replacing the fuel tank, remove the primary and secondary fuel tank modules. Refer to «Primary Fuel Tank Module Replacement»(ref-338172-S01113193892009081700000) and «Secondary Fuel Tank Module Replacement»(ref-338172-S24918228842009081700000) .

1. Install the primary and secondary fuel tank modules if previously removed. Refer to «Primary Fuel Tank Module Replacement»(ref-338172-S01113193892009081700000) and «Secondary Fuel Tank Module Replacement»(ref-338172-S24918228842009081700000) .
2. With the aid of an assistant, carefully raise the fuel tank to the vehicle, aligning the filler neck with the filler hose.
3. Carefully bend the fuel tank straps back to their original form.
4. Position the fuel tank straps around the rear frame and upward into position, aligning the holes in the straps with the threaded holes in the chassis.
5. Install the fuel tank strap bolts and tighten to 50 N.m (37 lb ft).
6. Connect the filler hose (1) to the fuel tank. Tighten the fuel filler tube hose clamp (3) to 3.5 N.m (31 lb in).
7. Connect the filler vent tube (2) to the EVAP hose. Refer to «Plastic Collar Quick Connect Fitting Service»(ref-338172-S09699762932009081700000) .
8. Connect the EVAP hoses to the EVAP canister.
9. Insert the retainer into the chassis and press inward on the tab to engage.
10. Connect the fuel tank pressure sensor electrical connector to the EVAP canister.
11. Connect the electrical connector to the EVAP canister vent solenoid valve.
12. Connect the fuel tank electrical connector.
13. Connect the fuel feed hoses (4 and 5) to the fuel filter. Refer to «Metal Collar Quick Connect Fitting Service»(ref-338172-S07600173952009081700000) .
14. Connect the EVAP hose (6) to the chassis bundle. Refer to «Plastic Collar Quick Connect Fitting Service»(ref-338172-S09699762932009081700000) .
15. Raise the rear frame using the screw jack.
16. Install the 2 front bolts to the rear frame and tighten to 265 N.m (195 lb ft).
17. Remove the screw jack.
18. Swing the left side rear suspension bracket brace into position and install the bolt (1) and tighten to 160 N.m (118 lb ft).
19. Tighten the rear suspension bracket brace nut to 85 N.m (63 lb ft).
20. Swing the right side rear suspension bracket brace into position and install the bolt (7) and tighten to 160 N.m (118 lb ft).
21. Tighten the rear suspension bracket brace nut (8) to 85 N.m (63 lb ft).
22. Position the screw jack (3) under the lower control arm in order to raise the lower control arms.
23. Install the lower shock bolts (2) and tighten to 150 N.m (111 lb ft).
24. Remove the screw jack (3).
25. Install the propeller shaft. Refer to «Rear Propeller Shaft Replacement (AWD)»(ref-338144-S22580991792009081700000) or «Rear Propeller Shaft Replacement (RWD)»(ref-338144-S39823555952009081700000) .
26. Install the exhaust system. Refer to «Exhaust System Replacement»(ref-338131-S05393811512009081700000) .
27. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
28. Refill the fuel tank.
29. Inspect for fuel leaks.

1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-338130-S15906308302009081700000) .
2. Disconnect the fuel tank pressure sensor electrical connector (1).
3. Remove the fuel tank pressure sensor from the evaporative emission (EVAP) canister.

1. Install the fuel tank pressure sensor to the EVAP canister until fully seated.
2. Connect the fuel tank pressure sensor electrical connector (1).
3. Lower the vehicle.

1. Remove the fuel filler cap.
2. Drain the fuel tank below the level of the fuel filler hose. Refer to «Fuel Tank Draining»(ref-338172-S24097542722009081700000) .
3. Remove the bolts securing the fuel filler tube to the body.
4. Remove the right rear wheel. Refer to «Tire and Wheel Removal and Installation»(ref-338140-S19340800482009081700000) .
5. Remove the right rear wheelhouse liner. Refer to «Rear Wheelhouse Panel Liner Replacement»(ref-338127-S08500977682009081700000) .
6. Remove the fuel filler tube brace bolt.
7. Disconnect the fuel filler hose (1) from the fuel tank.
8. Disconnect the filler vent tube (2) from the evaporative emission (EVAP) hose. Refer to «Plastic Collar Quick Connect Fitting Service»(ref-338172-S09699762932009081700000) .
9. Remove the fuel filler tube from the vehicle.

1. Position the fuel filler tube to the vehicle.
2. Connect the filler hose (1) to the fuel tank. Tighten the fuel filler tube hose clamp (3) to 3.5 N.m (31 lb in).
3. Connect the filler vent tube (2) to the EVAP hose. Refer to «Plastic Collar Quick Connect Fitting Service»(ref-338172-S09699762932009081700000) .
4. Install the fuel filler tube brace bolt and tighten to 9 N.m (80 lb in).
5. Install the bolts securing the fuel filler tube to the body and tighten to 3.5 N.m (31 lb in).
6. Install the right rear wheelhouse liner. Refer to «Rear Wheelhouse Panel Liner Replacement»(ref-338127-S08500977682009081700000) .
7. Install the right rear wheel. Refer to «Tire and Wheel Removal and Installation»(ref-338140-S19340800482009081700000) .
8. Add fuel to the fuel tank.
9. Inspect for fuel leaks.
10. Install the fuel filler cap.

1. Remove the fuel tank. Refer to «Fuel Tank Replacement»(ref-338172-S42263262762009081700000) .
2. Remove the fuel tank hoses. Refer to «Fuel Hoses/Pipes Replacement - Filter to Tank»(ref-338172-S33033634922009081700000) .
3. Disconnect the electrical connector from the primary fuel tank module.
4. Rotate the cam lock ring counter-clockwise using the J 45747 .
5. Remove the cam lock ring from the fuel tank.
6. Carefully lift the primary fuel tank module (1) from the fuel tank only enough to access the transfer tube (2).
7. Complete the following in order to disconnect the transfer tube from the primary fuel tank module: Pull the locking mechanism away from the module. Remove the transfer tube from the module.
8. Remove the primary fuel tank module from the fuel tank.
9. Remove the primary fuel tank module seal from the module. Do not reuse the seal.

1. Place the new primary fuel tank module seal (1) over the module (2).
2. Complete the following in order to connect the transfer tube (2) to the primary fuel tank module (1). Grasp the transfer tube (2) from inside the fuel tank. Position the module (1) near the module opening. Connect the transfer tube (2) to the module (1).
3. Carefully insert the primary fuel tank module (1) into the fuel tank.
4. Press the primary fuel tank module (1) downward, aligning the module to the encapsulated ring.
5. Position the cam lock ring to the fuel tank.
6. Rotate the cam lock ring clockwise using the J 45747 until fully seated.
7. Connect the electrical connector to the primary fuel tank module.
8. Install the fuel tank hoses. Refer to «Fuel Hoses/Pipes Replacement - Filter to Tank»(ref-338172-S33033634922009081700000) .
9. Install the fuel tank. Refer to «Fuel Tank Replacement»(ref-338172-S42263262762009081700000) .

1. Remove the fuel tank. Refer to «Fuel Tank Replacement»(ref-338172-S42263262762009081700000) .
2. Disconnect the electrical connector from the secondary fuel tank module.
3. Rotate the cam lock ring counter-clockwise using the J 45747 .
4. Remove the cam lock ring from the fuel tank.
5. Carefully lift the secondary fuel tank module (2) from the fuel tank only enough to access the transfer tube (1).
6. Complete the following in order to disconnect the transfer tube from the secondary fuel tank module. Pull the locking mechanism away from the module. Remove the transfer tube from the module.
7. Remove the secondary fuel tank module from the fuel tank.
8. Remove the secondary fuel tank module seal from the module. Do not reuse the seal.

1. Place the new secondary fuel tank module seal (1) over the module (2).
2. Complete the following in order to connect the transfer tube (1) to the secondary fuel tank module (2). Grasp the transfer tube (1) from inside the fuel tank. Position the module (2) near the module opening. Connect the transfer tube (1) to the module (2).
3. Carefully insert the secondary fuel tank module (2) into the fuel tank.
4. Press the secondary fuel tank module (2) downward, aligning the module to the encapsulated ring.
5. Position the cam lock ring to the fuel tank.
6. Rotate the cam lock ring clockwise using the J 45747 until fully seated.
7. Connect the electrical connector to the secondary fuel tank module.
8. Install the fuel tank. Refer to «Fuel Tank Replacement»(ref-338172-S42263262762009081700000) .

1. Remove the fuel tank. Refer to «Fuel Tank Replacement»(ref-338172-S42263262762009081700000) .
2. Remove the primary fuel tank module. Refer to «Primary Fuel Tank Module Replacement»(ref-338172-S01113193892009081700000) .
3. Disconnect the fuel level sensor electrical connector (1) from the module.
4. Complete the following in order to remove the fuel level sensor (1) from the module assembly: Pull the locking tab (2) away from the sensor (1). Slide the sensor (1) away from the module assembly.

1. Complete the following in order to install the fuel level sensor (1) to the module assembly: Align the tabs of the sensor (1) with the slots in the module assembly. Slide the sensor (1) fully into position, ensure the locking tab (2) is engaged.
2. Connect the fuel level sensor electrical connector (1) to the module.
3. Install the primary fuel tank module. Refer to «Primary Fuel Tank Module Replacement»(ref-338172-S01113193892009081700000) .
4. Install the fuel tank. Refer to «Fuel Tank Replacement»(ref-338172-S42263262762009081700000) .

1. Remove the fuel tank. Refer to «Fuel Tank Replacement»(ref-338172-S42263262762009081700000) .
2. Disconnect the following from the primary fuel tank module: The pressure hose The return hose
3. Disconnect the hoses from the retaining feature at the fuel tank.

1. Clean any contamination from the male pipe ends of the primary fuel tank module.
2. Connect the hoses to the retaining feature at the fuel tank.
3. Connect the following to the primary fuel tank module: The pressure hose The return hose
4. Install the fuel tank. Refer to «Fuel Tank Replacement»(ref-338172-S42263262762009081700000) .

The fuel system hose/pipes are serviceable individually or as a complete fuel/brake bundle assembly. The following procedure is for servicing the fuel hose/pipes individually.

1. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief (With CH 48027)»(ref-338172-S31973632672009081700000) or «Fuel Pressure Relief (Without CH 48027)»(ref-338172-S24852107662009081700000) .
3. Disconnect the fuel feed hose/pipe fitting from the engine compartment fuel hose (2). Refer to «Metal Collar Quick Connect Fitting Service»(ref-338172-S07600173952009081700000) .
4. Plug the open ports to prevent fuel loss and contamination.
5. Disconnect the evaporative emission (EVAP) quick connect fitting (3). Refer to «Plastic Collar Quick Connect Fitting Service»(ref-338172-S09699762932009081700000) .
6. Open the retainer (1) located on the front of dash. Remove the fuel and EVAP lines from the retainer.
7. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-338130-S15906308302009081700000) .
8. Remove the fuel filter (3) and fuel filter bracket (2). Refer to «Fuel Filter Replacement»(ref-338172-S39025116842009081700000) .
9. Disconnect the fuel EVAP line fitting (6). Refer to «Plastic Collar Quick Connect Fitting Service»(ref-338172-S09699762932009081700000) . Plug the open line fittings to prevent fuel loss and contamination.
10. Pull the locking mechanism (1) outward in order to disengage the fuel/brake bundle chassis pipe retainers from the rail.
11. Open the retainers (1) located at the forward portion of the rail in order to remove the chassis hose/pipes.
12. Complete the following in order to remove the chassis hose/pipes from the retainers (2) located at the rearward portion of the rail: Pull the retainers (2) free from the rail. Open the retainers (2) at the top. Remove the chassis hose/pipes from the retainers (2).
13. Pull downward in order to disconnect the fuel/brake bundle chassis pipe retainer from the underbody.
14. Support the transmission with a suitable jack.
15. Remove the bolts securing the transmission support to the underbody, from the right side only.
16. Lower the transmission jack until there is enough room to allow removal of the chassis fuel hose/pipes. Pull down on the transmission support if necessary.
17. With the aid of an assistant, support the front and rear of the chassis fuel hose/pipes.
18. Carefully guide the chassis fuel hose/pipes down through the engine compartment, removing from the bottom.

1. Clean any of the contamination from the male line ends and apply a few drops of clean engine oil.
2. With the aid of an assistant, carefully guide the chassis fuel hose/pipes up through the engine compartment into position.
3. Guide the chassis fuel hose/pipes past the transmission support.
4. Install the bolts securing the transmission support to the underbody and tighten to 60 N.m (44 lb ft).
5. Remove the transmission jack.
6. Push upward in order to connect the fuel/brake bundle chassis pipe retainer to the underbody.
7. Complete the following in order to install the chassis hose/pipes to the retainers (2) located at the rearward portion of the rail: Install the chassis hose/pipes into the retainers (2). Close the retainers (2) at the top. Insert the retainers (2) into the rail.
8. Install the chassis hose/pipes into the retainers (1) located at the forward portion of the rail.
9. Close the retainers.
10. Push the locking mechanism (1) inward in order to engage the fuel/brake bundle chassis pipe retainers to the rail.
11. connect the EVAP line fitting (6). Refer to «Plastic Collar Quick Connect Fitting Service»(ref-338172-S09699762932009081700000) .
12. Install the fuel filter bracket (2) and filter (3). Refer to «Fuel Filter Replacement»(ref-338172-S39025116842009081700000) .
13. Lower the vehicle.
14. Insert the chassis hose/pipes into the retainer (1) located at front of dash.
15. Close the retainer.
16. Connect the EVAP quick connect fitting (3). Refer to «Plastic Collar Quick Connect Fitting Service»(ref-338172-S09699762932009081700000) .
17. Connect the engine compartment fuel hose fitting (2) to the chassis fuel pipe. Refer to «Metal Collar Quick Connect Fitting Service»(ref-338172-S07600173952009081700000) .
18. Install the fuel tank filler pipe cap.
19. Check the fuel system for leaks.
20. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Remove the front section of the supercharger inlet duct assembly. Refer to «Supercharger Inlet Duct Assembly Replacement»(ref-338172-S35176669982009081700000) .
3. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief (With CH 48027)»(ref-338172-S31973632672009081700000) or «Fuel Pressure Relief (Without CH 48027)»(ref-338172-S24852107662009081700000) .
4. Place a shop towel under the engine compartment fuel line fittings (2,4) in order to capture any remaining fuel that may drain from the fuel line.
5. Remove the quick connect retainer clips from the fittings.
6. Disconnect the engine compartment fuel line fitting (2) from the chassis fuel feed pipe. Refer to «Metal Collar Quick Connect Fitting Service»(ref-338172-S07600173952009081700000) .
7. Disconnect the engine compartment fuel line fitting (4) from the fuel rail. Refer to «Metal Collar Quick Connect Fitting Service»(ref-338172-S07600173952009081700000) .
8. Remove the engine compartment fuel line from the vehicle.

1. Position the engine compartment fuel line to the vehicle.
2. Connect the engine compartment fuel line fitting (4) to the fuel rail. Refer to «Metal Collar Quick Connect Fitting Service»(ref-338172-S07600173952009081700000) .
3. Connect the engine compartment fuel line fitting (2) to the chassis fuel feed pipe. Refer to «Metal Collar Quick Connect Fitting Service»(ref-338172-S07600173952009081700000) .
4. Install the quick connect retainer clips to the fuel line fittings (2,4).
5. Install the front section of the supercharger inlet duct assembly. Refer to «Supercharger Inlet Duct Assembly Replacement»(ref-338172-S35176669982009081700000) .
6. Install the fuel tank fill cap.
7. Check the fuel system for leaks.
8. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

Assemble the fuel system as follows

1. Install the fuel injectors and fuel rail. Refer to «Fuel Injector and Fuel Rail Replacement»(ref-338172-S32457658202009081700000) .
2. Install the fuel module assemblies. Refer to «Primary Fuel Tank Module Replacement»(ref-338172-S01113193892009081700000) and «Secondary Fuel Tank Module Replacement»(ref-338172-S24918228842009081700000) .
3. Install the fuel filter. Refer to «Fuel Filter Replacement»(ref-338172-S39025116842009081700000) .
4. Connect the fuel line to the fuel rail. Refer to «Metal Collar Quick Connect Fitting Service»(ref-338172-S07600173952009081700000) .
5. Install the fuel fill pipe cap.
6. Check the fuel system for leaks.
7. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Relieve the fuel system pressure. Refer to «Fuel Pressure Relief (With CH 48027)»(ref-338172-S31973632672009081700000) or «Fuel Pressure Relief (Without CH 48027)»(ref-338172-S24852107662009081700000) .
2. Remove the front and rear section of the supercharger inlet duct assembly. Refer to «Supercharger Inlet Duct Assembly Replacement»(ref-338172-S35176669982009081700000) .
3. Clean the fuel rail and injector ports on the supercharger with compressed air.
4. Disconnect the electrical connectors from the following sensors: The supercharger inlet absolute pressure (SCIAP) sensor (1) The barometric pressure (BARO) sensor (2) The manifold absolute pressure (MAP) sensor (3)
5. Disconnect the vacuum lines from the MAP and SCIAP sensors.
6. Remove the SCIAP, BARO and MAP sensors with the bracket.
7. Partially drain the charge air cooling system. Refer to «Charge Air Cooling System Draining and Filling (Static Fill)»(ref-338194-S00254263582009081700000) or «Charge Air Cooling System Draining and Filling (Vac N Fill)»(ref-338194-S05018008372009081700000) .
8. Remove the front section of the charge air cooler front manifold assembly (2). It is not necessary to remove the hoses from the manifold pipes. position the manifold with hoses aside to allow for removal of the fuel rail assembly. Refer to «Charge Air Cooler Front Manifold Replacement»(ref-338139-S05175807662009081700000) .
9. Disconnect the electrical connector from the air inlet temperature 2 sensor and position aside.
10. Disconnect the supercharger bypass solenoid valve electrical connector (3) and position the harness aside.
11. Disconnect the vacuum line from the supercharger actuator valve and position the line aside.
12. Disconnect the engine compartment fuel line fitting (4) from the fuel rail. Refer to «Metal Collar Quick Connect Fitting Service»(ref-338172-S07600173952009081700000) .
13. Disconnect the fuel injector electrical connectors (1, 4, 6, 8) from the left and right side of the engine.
14. Open the clip (3) that secures the fuel rail jumper to the front of the supercharger.
15. Remove the fuel rail attaching studs (2).
16. Remove the fuel rail assembly (1) from the supercharger.
17. Remove the injector lower O-ring seal from the spray tip end of each injector.
18. Discard the O-ring seals.
19. Remove the retainers from the fuel injectors if fuel injector removal is necessary.
20. Remove the fuel injectors from the fuel rail.
21. Remove the O-ring seals from the fuel injectors. Discard the O-ring seals.

1. If the injectors were removed from the fuel rail, lubricate the new fuel injector O-ring seals with clean engine oil.
2. Install the new fuel injector O-ring seals on to the fuel injectors.
3. Install the fuel injectors to the fuel rail using new retainer clips.
4. Ensure that the injectors are aligned by orientating the electrical connectors perpendicular to the crankshaft centerline.
5. Lubricate and install the new O-ring seals on the spray tip end of each injector.
6. Align the fuel injectors and fuel rail to the supercharger assembly.
7. Carefully press the fuel rail assembly (1) downward until fully seated.
8. Install the fuel rail attaching studs (2) and tighten to 10 N.m (89 lb in).
9. Install the fuel rail to the clip (3) on the front of the supercharger.
10. Connect the fuel injector electrical connectors (1,4,6,8) to the left and right side of the engine.
11. Connect the engine compartment fuel line fitting (4) to the fuel rail. Refer to «Metal Collar Quick Connect Fitting Service»(ref-338172-S07600173952009081700000) .
12. Connect the vacuum line to the supercharger actuator valve.
13. Connect the supercharger bypass solenoid valve electrical connector (3).
14. Connect the electrical connector to the air inlet temperature 2 sensor.
15. Install the front section of the charge air cooler front manifold assembly (2). Refer to «Charge Air Cooler Front Manifold Replacement»(ref-338139-S05175807662009081700000) .
16. Install the SCIAP (1), BARO (2) and MAP (3) sensors with the bracket.
17. Connect the vacuum lines to the MAP (3) and SCIAP (1) sensors.
18. Connect the electrical connectors to the following sensors: The SCIAP sensor The BARO sensor The MAP sensor
19. Install the front and rear section of the supercharger inlet duct assembly. Refer to «Supercharger Inlet Duct Assembly Replacement»(ref-338172-S35176669982009081700000) .
20. Install the fuel fill pipe cap.
21. Fill the charge air cooling system with coolant. Refer to «Charge Air Cooling System Draining and Filling (Static Fill)»(ref-338194-S00254263582009081700000) or «Charge Air Cooling System Draining and Filling (Vac N Fill)»(ref-338194-S05018008372009081700000) .
22. Check the fuel system for leaks.
23. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

Scheme 122

1. Remove the evaporative emission (EVAP) canister. Refer to «Evaporative Emission Canister Replacement»(ref-338172-S07807306332009081700000) .
2. Clean away any debris that may be present around the EVAP canister vent valve.
3. Twist the EVAP canister vent valve counter-clockwise.
4. Pull the EVAP canister vent valve from the EVAP canister.

1. Insert the EVAP canister vent valve into the EVAP canister.
2. Twist the EVAP canister vent valve clockwise into the locked position.
3. Install the EVAP canister. Refer to «Evaporative Emission Canister Replacement»(ref-338172-S07807306332009081700000) .

1. Remove the fuel tank. Refer to «Fuel Tank Replacement»(ref-338172-S42263262762009081700000) .
2. Remove the chassis to canister evaporative emission (EVAP) hose from the following: The body retainer (1) The 3 retaining features (2) on the fuel tank The retainer clip (3)
3. Remove the EVAP hose from the fuel tank.

1. Position the EVAP hose to the fuel tank.
2. Install the chassis to canister evaporative emission (EVAP) hose to the following: The body retainer (1) The 3 retaining features (2) on the fuel tank The retainer clip (3)
3. Install the fuel tank. Refer to «Fuel Tank Replacement»(ref-338172-S42263262762009081700000) .

1. Remove the rear frame. Refer to «Rear Frame Replacement»(ref-338127-S05016546182009081700000) .
2. Disconnect the evaporative emission (EVAP) hoses from the EVAP canister.
3. Disconnect the electrical connector from the EVAP canister vent solenoid valve.
4. Disconnect the electrical connector from the fuel tank pressure sensor located on the EVAP canister.
5. Remove the EVAP canister retaining nuts.
6. Complete the following in order to remove the EVAP canister: Lower the rear of the canister enough to clear the 2 weld studs. Slide the canister rearward from the body brace.

1. Complete the following in order to install the EVAP canister: Insert the fresh air tube and tab on the canister forward into the body brace. Rotate the rear of the canister up over the 2 weld studs on the floor pan.
2. Install the EVAP canister retaining nuts and tighten to 6 N.m (53 lb in).
3. Connect the EVAP hoses to the EVAP canister.
4. Connect the fuel tank pressure sensor electrical connector.
5. Connect the electrical connector to the EVAP canister vent solenoid valve.
6. Install the rear frame. Refer to «Rear Frame Replacement»(ref-338127-S05016546182009081700000) .

1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-338130-S15906308302009081700000) .
2. Using a 90 degree pick, disengage the lower filter cover clips.
3. Insert a flat-bladed tool between the filter cover and canister, and push up to disengage the upper clips.
4. Remove and discard the evaporative emission (EVAP) canister filter cover and seal.
5. Remove and discard the EVAP canister filter.
6. Clean the inside of the EVAP canister filter housing with a clean shop towel.

1. Insert a NEW EVAP canister filter into the EVAP canister.
2. Install a NEW EVAP canister filter cover seal to the NEW EVAP canister cover.
3. Snap the EVAP canister filter cover onto the EVAP canister.
4. Lower the vehicle.

1. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Remove the front section of the supercharger inlet duct assembly. Refer to «Supercharger Inlet Duct Assembly Replacement»(ref-338172-S35176669982009081700000) .
3. Remove the ignition coils as an assembly. Refer to «Ignition Coil Replacement - Bank 1»(ref-338172-S30434582882009081700000) and «Ignition Coil Replacement - Bank 2»(ref-338172-S26467287042009081700000) .
4. Clean the spark plug recess area with low pressure air.
5. Remove the spark plugs from the cylinder heads.
6. Inspect the spark plugs. Refer to «Spark Plug Inspection»(ref-338172-S11567356692009081700000) .

1. Measure the spark plug gap on the spark plugs to be installed. Compare the measurement to the gap specifications. Refer to «Ignition System Specifications»(ref-338172-S38080695972009081700000) , correct as necessary.
2. Install the spark plugs to the cylinder heads and tighten to 20 N.m (15 lb ft).
3. Install the ignition coil assemblies. Refer to «Ignition Coil Replacement - Bank 1»(ref-338172-S30434582882009081700000) and «Ignition Coil Replacement - Bank 2»(ref-338172-S26467287042009081700000) .
4. Install the front section of the supercharger inlet duct assembly. Refer to «Supercharger Inlet Duct Assembly Replacement»(ref-338172-S35176669982009081700000)
5. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Remove the supercharger assembly. Refer to «Supercharger Replacement»(ref-338139-S11747614572009081700000) .
2. Disconnect the crankshaft position sensor electrical connector.
3. Remove the crankshaft position sensor retaining bolt.
4. Remove the crankshaft position sensor.

1. Lubricate the crankshaft position sensor O-ring with clean engine oil.
2. Install the crankshaft position sensor and the retaining bolt and tighten to 10 N.m (89 lb in).
3. Connect the crankshaft position sensor electrical connector.
4. Install the supercharger assembly. Refer to «Supercharger Replacement»(ref-338139-S11747614572009081700000) .
5. Perform the crankshaft position sensor variation learn procedure. Refer to «Crankshaft Position System Variation Learn»(ref-338172-S14948253622009081700000) .

1. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Disconnect the electrical connector from the left bank exhaust camshaft position sensor (4).
3. Remove the camshaft position sensor retaining bolt.
4. Remove the left bank exhaust camshaft position sensor (4).

1. Lubricate the camshaft position sensor O-ring with engine oil.
2. Install the left bank exhaust camshaft position sensor (4) and retaining bolt and tighten to 10 N.m (89 lb in).
3. Connect the camshaft position sensor electrical connector.
4. Operate the engine and inspect the camshaft position sensor for engine oil leaks.
5. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Disconnect the electrical connector from the left bank intake camshaft position sensor (3).
3. Remove the camshaft position sensor retaining bolt.
4. Remove the left bank intake camshaft position sensor (3).

1. Lubricate the camshaft position sensor O-ring with engine oil.
2. Install the left bank intake camshaft position sensor (3) and retaining bolt and tighten to 10 N.m (89 lb in).
3. Connect the camshaft position sensor electrical connector.
4. Operate the engine and inspect the camshaft position sensor for engine oil leaks.
5. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Disconnect the electrical connector from the right bank exhaust camshaft position sensor (1).
3. Remove the camshaft position sensor retaining bolt.
4. Remove the right bank exhaust camshaft position sensor (1).

1. Lubricate the camshaft position sensor O-ring with engine oil.
2. Install the right bank exhaust camshaft position sensor (1) and retaining bolt and tighten to 10 N.m (89 lb in).
3. Connect the camshaft position sensor electrical connector.
4. Operate the engine and inspect the camshaft position sensor for engine oil leaks.
5. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Disconnect the electrical connector from the right bank intake camshaft position sensor (2).
3. Remove the camshaft position sensor retaining bolt.
4. Remove the right bank intake camshaft position sensor (2).

1. Lubricate the camshaft position sensor O-ring with engine oil.
2. Install the right bank intake camshaft position sensor (2) and retaining bolt and tighten to 10 N.m (89 lb in).
3. Connect the camshaft position sensor electrical connector.
4. Operate the engine and inspect the camshaft position sensor for engine oil leaks.
5. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Partially drain the engine cooling system. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-338194-S38676017542009081700000) or «Cooling System Draining and Filling (Static Fill)»(ref-338194-S21329102432009081700000) .
3. Remove the radiator hose from the water outlet housing. Position the hose aside.
4. Disconnect the actuator solenoid electrical connector.
5. Remove the right intake camshaft position (CMP) actuator solenoid bolts.
6. Remove the right intake CMP actuator solenoid.

Note. The CMP actuator solenoid must be precisely aligned to the CMP actuator oil control valve on the end of the camshaft. This is accomplished with an alignment pin. Failure to align the CMP actuator solenoid to the CMP actuator oil control valve can lead to poor engine performance and engine component damage.

To allow for CMP actuator solenoid to CMP actuator oil control valve alignment, DO NOT install the NEW CMP actuator solenoid alignment plugs at this time.

1. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
2. Disconnect the actuator solenoid electrical connector.
3. Remove the right exhaust camshaft position (CMP) actuator solenoid bolts.
4. Remove the right exhaust CMP actuator solenoid.

Note. The CMP actuator solenoid must be precisely aligned to the CMP actuator oil control valve on the end of the camshaft. This is accomplished with an alignment pin. Failure to align the CMP actuator solenoid to the CMP actuator oil control valve can lead to poor engine performance and engine component damage.

To allow for CMP actuator solenoid to CMP actuator oil control valve alignment, DO NOT install the NEW CMP actuator solenoid alignment plugs at this time.

1. Remove the remote power steering reservoir.
2. Disconnect the actuator solenoid electrical connector.
3. Remove the left intake camshaft position (CMP) actuator solenoid bolts.
4. Remove the left intake CMP actuator solenoid.

Note. The CMP actuator solenoid must be precisely aligned to the CMP actuator oil control valve on the end of the camshaft. This is accomplished with an alignment pin. Failure to align the CMP actuator solenoid to the CMP actuator oil control valve can lead to poor engine performance.

To allow for CMP actuator solenoid to CMP actuator oil control valve alignment, DO NOT install the NEW camshaft position actuator solenoid alignment plugs at this time.

1. Remove the remote power steering reservoir.
2. Remove the air conditioning, power steering and water pump drive belt tensioner. Refer to «Drive Belt Tensioner Replacement - Air Conditioning, Power Steering, and Water Pump»(ref-338139-S02419128942009081700000) .
3. Disconnect the actuator solenoid electrical connector.
4. Remove the left exhaust camshaft position (CMP) actuator solenoid bolts.
5. Remove the left exhaust CMP actuator solenoid.

Note. The CMP actuator solenoid must be precisely aligned to the CMP actuator oil control valve on the end of the camshaft. This is accomplished with an alignment pin. Failure to align the CMP actuator solenoid to the CMP actuator oil control valve can lead to poor engine performance and engine component damage.

To allow for CMP actuator solenoid to CMP actuator oil control valve alignment, DO NOT install the NEW CMP actuator solenoid alignment plugs at this time.

1. Remove the supercharger assembly. Refer to «Supercharger Replacement»(ref-338139-S11747614572009081700000) .
2. Disconnect the knock sensor (KS) electrical connector (2).
3. Remove the KS bolt.
4. Remove the KS (1).

1. Thoroughly clean the mating surfaces of the KS and the engine block. The entire contact surface of the KS must lie directly on the engine block.
2. Install the KS (1) and bolt and tighten to 20 N.m (15 lb ft).
3. Ensure that the wiring harness is installed correctly.
4. Connect the KS electrical connector (2).
5. Install the supercharger assembly. Refer to «Supercharger Replacement»(ref-338139-S11747614572009081700000) .

1. Remove the supercharger assembly. Refer to «Supercharger Replacement»(ref-338139-S11747614572009081700000) .
2. Disconnect the knock sensor (KS) electrical connector (3).
3. Remove the KS bolt.
4. Remove the KS (4).

1. Thoroughly clean the mating surfaces of the KS and the engine block. The entire contact surface of the KS must lie directly on the engine block.
2. Install the KS (4) and bolt and tighten to 20 N.m (15 lb ft).
3. Ensure that the wiring harness is installed correctly.
4. Connect the KS electrical connector (3).
5. Install the supercharger assembly. Refer to «Supercharger Replacement»(ref-338139-S11747614572009081700000) .

1. The front section of the supercharger inlet duct assembly can be serviced independently of the rear section.
2. Remove the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .
3. Remove the air cleaner outlet duct. Refer to «Air Cleaner Outlet Duct Replacement»(ref-338172-S42418464632009081700000) .
4. Disconnect the PCV hose fitting (1) from the underside of the inlet duct assembly. Refer to «Positive Crankcase Ventilation Hose/Pipe/Tube Replacement»(ref-338139-S03669237672009081700000) .
5. Loosen the rear screw clamps (2) located between the front and rear section of the inlet duct assembly.
6. Remove the ball studs (1) that retain the inlet duct to the supercharger. There are a total of 6 ball studs.
7. Remove the front section of the supercharger inlet duct.
8. Remove the hood assembly. Refer to «Hood Replacement»(ref-338113-S37151174122009081700000) .
9. Remove the windshield wiper arm assemblies. Refer to «Windshield Wiper Arm Replacement»(ref-338129-S04507586722009081700000) .
10. Remove the air inlet grille panel. Refer to «Air Inlet Grille Panel Replacement»(ref-338129-S13987144152009081700000) .
11. Remove the windshield wiper transmission. Refer to «Windshield Wiper Transmission Replacement»(ref-338129-S33321473932009081700000) .
12. Remove the front air inlet housing panel (1). Refer to «Air Inlet Housing Front Panel Replacement»(ref-338121-S36337963282009081700000) .
13. Disconnect the evaporative emission (EVAP) line fitting (2) from the EVAP valve.
14. Disconnect the EVAP line fitting (5) from the chassis bundle. Remove the EVAP line (6) from the vehicle.
15. Remove the brake booster hose (1) from the port on the rear of the supercharger.
16. Loosen the rear screw clamp (4) on the inlet duct seal.
17. Remove the rear section of the supercharger inlet duct from the vehicle.

1. Install the rear section of the supercharger inlet duct assembly to the vehicle.
2. Tighten the rear screw clamp (4) on the inlet duct seal to 2.5 N.m (20 lb in).
3. Install the brake booster hose (1) to the port on the rear of the supercharger.
4. Connect the EVAP line fitting (5) to the chassis bundle.
5. Connect the (EVAP) line fitting (2) to the EVAP valve.
6. Install the front air inlet housing panel (1). Refer to «Air Inlet Housing Front Panel Replacement»(ref-338121-S36337963282009081700000) .
7. Install the windshield wiper transmission. Refer to «Windshield Wiper Transmission Replacement»(ref-338129-S33321473932009081700000) .
8. Install the air inlet grille panel. Refer to «Air Inlet Grille Panel Replacement»(ref-338129-S13987144152009081700000) .
9. Install the windshield wiper arm assemblies. Refer to «Windshield Wiper Arm Replacement»(ref-338129-S04507586722009081700000) .
10. Install the hood assembly. Refer to «Hood Replacement»(ref-338113-S37151174122009081700000) .
11. Install the front section of the supercharger inlet duct to the vehicle.
12. Tighten the inlet duct screw clamps (2) to 2.5 N.m (20 lb in).
13. Install the ball studs (1) that retain the inlet duct to the supercharger. There are a total of 6 ball studs. Tighten the supercharger inlet duct ball studs to 10 N.m (89 lb in).
14. Connect the PCV hose fitting (1) to the underside of the inlet duct assembly. Refer to «Positive Crankcase Ventilation Hose/Pipe/Tube Replacement»(ref-338139-S03669237672009081700000) .
15. Install the air cleaner outlet duct. Refer to «Air Cleaner Outlet Duct Replacement»(ref-338172-S42418464632009081700000) .
16. Install the engine sight shield. Refer to «Intake Manifold Sight Shield Replacement»(ref-338139-S02548253932009081700000) .

1. Remove front section of the supercharger inlet duct. Refer to «Supercharger Inlet Duct Assembly Replacement»(ref-338172-S35176669982009081700000) .
2. Loosen the screw clamps on the supercharger inlet duct seals.
3. Remove the supercharger inlet duct seals (2).
4. Remove the rear section of the supercharger inlet duct assembly. Refer to «Supercharger Inlet Duct Assembly Replacement»(ref-338172-S35176669982009081700000) .
5. Loosen the screw clamp on the supercharger inlet duct seal.
6. Remove the supercharger inlet duct seal.

1. Install the supercharger inlet duct seal and clamp to the throttle body.
2. Tighten the supercharger inlet duct seal screw clamp to 2.5N.m (20 lb in).
3. Install the rear section of the supercharger inlet duct assembly. Refer to «Supercharger Inlet Duct Assembly Replacement»(ref-338172-S35176669982009081700000) .
4. Install the supercharger inlet duct seals and clamps (2) to the front section of the supercharger inlet duct.
5. Tighten the screw clamps on the supercharger inlet duct seals to 2.5N.m (20 lb in).
6. Install the front section of the supercharger inlet duct. Refer to «Supercharger Inlet Duct Assembly Replacement»(ref-338172-S35176669982009081700000) .

1. Remove the air cleaner housing assembly from the vehicle. Refer to «Air Cleaner Assembly Replacement»(ref-338172-S41446542832009081700000) .
2. Remove the air cleaner housing cover (1) screws.
3. Open the air cleaner housing.
4. Remove the air cleaner element (2).
5. Remove any loose debris that may be found laying in the base of the air cleaner.

1. Install the new air filter element (2).
2. Assemble the air cleaner cover (1) to the air cleaner housing (3).
3. Install the air cleaner housing cover screws and tighten to 3 N.m (27 lb in).
4. Install the air cleaner housing to the vehicle. Refer to «Air Cleaner Assembly Replacement»(ref-338172-S41446542832009081700000) .

1. Remove the air cleaner outlet duct from the vehicle. Refer to «Air Cleaner Outlet Duct Replacement»(ref-338172-S42418464632009081700000) .
2. Disconnect the mass air flow (MAF)/intake air temperature (IAT) sensor electrical connector.
3. Remove the MAF/IAT sensor if necessary. Refer to «Mass Airflow Sensor/Intake Air Temperature Sensor Replacement»(ref-338172-S16319244992009081700000) .
4. Remove the coolant hose from the retaining feature on the top of the air cleaner assembly. Position the hose aside.
5. Disengage the air cleaner housing splash shield clip (1).
6. Remove the bolts securing the air cleaner housing to the vehicle (2,3).
7. Remove the air cleaner housing from the vehicle. If necessary, remove the air cleaner housing splash shield.

Note. An improperly installed air cleaner or a distorted or missing intake air duct may cause a diagnostic trouble code (DTC) to set. Ensure that the air cleaner assembly and intake air duct is installed correctly and that there are no kinks or folds in the intake air duct. Debris in the air cleaner assembly or MAF sensor inlet screen, that may distort air flow can set a DTC.

1. Install the air cleaner housing splash shield to the vehicle if previously removed.
2. Install the air cleaner assembly into the vehicle.
3. Install the air cleaner assembly bolts (1,2) and tighten to 10 N.m (89 lb in).
4. Install the air cleaner housing splash shield clip (1).
5. Install the coolant hose to the retaining feature on the top of the air cleaner assembly.
6. Install the MAF/IAT sensor if previously removed. Refer to «Mass Airflow Sensor/Intake Air Temperature Sensor Replacement»(ref-338172-S16319244992009081700000) .
7. Connect the MAF/IAT sensor electrical connector.
8. Install the air cleaner outlet duct. Refer to «Air Cleaner Outlet Duct Replacement»(ref-338172-S42418464632009081700000) .

1. Remove the front engine compartment sight shield. Refer to «Front Compartment Sight Shields Replacement»(ref-338113-S37193842242009081700000) .
2. Disconnect the vacuum hose from the air cleaner duct.
3. Loosen the air duct clamp at the supercharger inlet duct assembly.
4. Loosen the air duct clamp at the air cleaner housing cover.
5. Remove the air cleaner duct from the vehicle.

1. Install the air cleaner duct to the vehicle.
2. Tighten the air cleaner duct clamps at the supercharger inlet duct and air cleaner housing cover to 3 N.m (27 lb in).
3. Connect the vacuum hose to the air cleaner duct.
4. Install the front engine compartment sight shield. Refer to «Front Compartment Sight Shields Replacement»(ref-338113-S37193842242009081700000) .