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Engine Cooling System: Removal & Installation GMC Terrain I

Cooling System (Mechanical) 21 illustrations ~2503 words

Radiator Inlet Hose Replacement (LF1 or LFW)

Special Tools

J 38185 Hose Clamp Pliers

Removal Procedure

  1. Drain the cooling system. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-491221-S11227726582012073000000) , «Cooling System Draining and Filling (Static LF1 or LFW)»(ref-491221-S01432179932012073000000) , «Cooling System Draining and Filling (Static LAF or LEA)»(ref-491221-S24420276232012073000000) .
  2. Remove the intake manifold cover. Refer to «Intake Manifold Cover Replacement»(ref-491177-S09646701342012073000000) .
  3. Disengage tension on the radiator inlet hose clamp (1) at the radiator using J 38185 Hose Clamp Pliers.
  4. Remove the radiator inlet hose (2) from the radiator.
  5. Disengage tension on the radiator inlet hose clamp (1) at the engine using J 38185 Hose Clamp Pliers.
  6. Remove the radiator inlet hose (2) from the engine.
  7. Remove the radiator inlet hose from the vehicle.

Installation Procedure

  1. Install radiator inlet hose to the vehicle.
  2. Install the radiator inlet hose (2) to the engine.
  3. Engage tension on the radiator inlet hose clamp (1) at the engine using J 38185 Hose Clamp Pliers.
  4. Install the radiator inlet hose (2) to the radiator.
  5. Engage tension on the radiator inlet hose clamp (1) at the radiator using J 38185 Hose Clamp Pliers.
  6. Install the intake manifold cover. Refer to «Intake Manifold Cover Replacement»(ref-491177-S09646701342012073000000) .
  7. Fill the cooling system. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-491221-S11227726582012073000000) , «Cooling System Draining and Filling (Static LF1 or LFW)»(ref-491221-S01432179932012073000000) , «Cooling System Draining and Filling (Static LAF or LEA)»(ref-491221-S24420276232012073000000) .

Radiator Inlet Hose Replacement (LEA)

Special Tools

J 38185 Hose Clamp Pliers

  1. Drain the cooling system. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-491221-S11227726582012073000000) , «Cooling System Draining and Filling (Static LF1 or LFW)»(ref-491221-S01432179932012073000000) , «Cooling System Draining and Filling (Static LAF or LEA)»(ref-491221-S24420276232012073000000) .
  2. Remove the intake manifold cover. Refer to «Intake Manifold Cover Replacement»(ref-491134-S37063866352012073000000) .
  3. Disengage tension on the radiator inlet hose clamp (1) at the radiator using J 38185 Hose Clamp Pliers.
  4. Remove the radiator inlet hose (2) from the radiator.
  5. Disengage tension on the radiator inlet hose clamp (1) at the engine using J 38185 Hose Clamp Pliers.
  6. Remove the radiator inlet hose (2) from the engine.
  7. Remove the radiator inlet hose from the vehicle.
  1. Install radiator inlet hose to the vehicle.
  2. Install the radiator inlet hose (2) to the engine.
  3. Engage tension on the radiator inlet hose clamp (1) at the engine using J 38185 Hose Clamp Pliers.
  4. Install the radiator inlet hose (2) to the radiator.
  5. Engage tension on the radiator inlet hose clamp (1) at the radiator using J 38185 Hose Clamp Pliers.
  6. Install the intake manifold cover. Refer to «Intake Manifold Cover Replacement»(ref-491134-S37063866352012073000000) .
  7. Fill the cooling system. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-491221-S11227726582012073000000) , «Cooling System Draining and Filling (Static LF1 or LFW)»(ref-491221-S01432179932012073000000) , «Cooling System Draining and Filling (Static LAF or LEA)»(ref-491221-S24420276232012073000000) .

Radiator Outlet Hose Replacement (LF1 or LFW)

Special Tools

J 38185 Hose Clamp Pliers

  1. Drain the cooling system. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-491221-S11227726582012073000000) , «Cooling System Draining and Filling (Static LF1 or LFW)»(ref-491221-S01432179932012073000000) , «Cooling System Draining and Filling (Static LAF or LEA)»(ref-491221-S24420276232012073000000) .
  2. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-491131-S06536846302012073000000) .
  3. Disengage tension on the radiator outlet hose clamp (1) at the radiator using J 38185 Hose Clamp Pliers.
  4. Remove the radiator outlet hose (2) from the radiator.
  5. Disengage tension on the radiator outlet hose clamp (1) at the engine using J 38185 Hose Clamp Pliers.
  6. Remove the radiator outlet hose (2) from the engine.
  7. Remove the radiator outlet hose from the vehicle.
  1. Install radiator outlet hose to the vehicle.
  2. Install the radiator outlet hose (2) to the engine.
  3. Engage tension on the radiator outlet hose clamp (1) at the engine using J 38185 Hose Clamp Pliers.
  4. Install the radiator outlet hose (2) to the radiator.
  5. Engage tension on the radiator outlet hose clamp (1) at the radiator using J 38185 Hose Clamp Pliers.
  6. Lower the vehicle.
  7. Fill the cooling system. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-491221-S11227726582012073000000) , «Cooling System Draining and Filling (Static LF1 or LFW)»(ref-491221-S01432179932012073000000) , «Cooling System Draining and Filling (Static LAF or LEA)»(ref-491221-S24420276232012073000000) .

Radiator Outlet Hose Replacement (LEA)

Special Tools

J 38185 Hose Clamp Pliers

  1. Drain the cooling system. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-491221-S11227726582012073000000) , «Cooling System Draining and Filling (Static LF1 or LFW)»(ref-491221-S01432179932012073000000) , «Cooling System Draining and Filling (Static LAF or LEA)»(ref-491221-S24420276232012073000000) .
  2. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-491131-S06536846302012073000000) .
  3. Disengage tension on the radiator outlet hose clamp (1) at the radiator using J 38185 Hose Clamp Pliers.
  4. Remove the radiator outlet hose (2) from the radiator.
  5. Remove radiator outlet hose bracket retainer (1).
  6. Disengage tension on the radiator outlet hose clamp (2) at the thermostat housing using J 38185 Hose Clamp Pliers.
  7. Remove the radiator outlet hose (4) from the thermostat housing.
  8. Disengage tension on the radiator outlet hose clamp (3) at the engine oil cooler using J 38185 Hose Clamp Pliers.
  9. Remove the radiator outlet hose (4) from the engine oil cooler.
  10. Remove the radiator outlet hose from the vehicle.
  1. Install radiator outlet hose to the vehicle.
  2. Install the radiator outlet hose (4) to the engine oil cooler.
  3. Engage tension on the radiator outlet hose clamp (3) at the engine oil cooler using J 38185 Hose Clamp Pliers.
  4. Install the radiator outlet hose (4) to the thermostat housing.
  5. Engage tension on the radiator outlet hose clamp (2) at the thermostat housing using J 38185 Hose Clamp Pliers.
  6. Install radiator outlet hose bracket retainer (1).
  7. Install the radiator outlet hose (2) to the radiator.
  8. Engage tension on the radiator outlet hose clamp (1) at the radiator using J 38185 Hose Clamp Pliers.
  9. Lower the vehicle.
  10. Fill the cooling system. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-491221-S11227726582012073000000) , «Cooling System Draining and Filling (Static LF1 or LFW)»(ref-491221-S01432179932012073000000) , «Cooling System Draining and Filling (Static LAF or LEA)»(ref-491221-S24420276232012073000000) .

Scheme 3

Scheme 3: Engine Coolant Fan Replacement (LF1 or LFW)
Scheme 3: Engine Coolant Fan Replacement (LF1 or LFW)
CalloutComponent Name
Preliminary Procedures Remove the engine coolant fan shroud. Refer to Engine Coolant Fan Shroud Replacement (LF1 or LFW) , Engine Coolant Fan Shroud Replacement (LEA)
1Cooling Fan Retainer (Qty 6)
2Cooling Fan

Engine Coolant Fan Replacement (LF1 or LFW)

Scheme 4

Scheme 4: Engine Coolant Fan Replacement (LEA)
Scheme 4: Engine Coolant Fan Replacement (LEA)
CalloutComponent Name
Preliminary Procedures Remove the engine coolant fan shroud. Refer to Engine Coolant Fan Shroud Replacement (LF1 or LFW) , Engine Coolant Fan Shroud Replacement (LEA)
1Cooling Fan Retainer (Qty 3) CAUTION: Refer to Fastener Caution .
2Cooling Fan
CAUTION
Refer to Fastener Caution .

Engine Coolant Fan Replacement (LEA)

Scheme 5

Scheme 5: Engine Coolant Fan Resistor Replacement (LEA)
Scheme 5: Engine Coolant Fan Resistor Replacement (LEA)
CalloutComponent Name
Preliminary Procedures Disconnect the engine coolant fan resistor electrical connector.
1Engine Coolant Fan Resistor Procedure Depress tab on the engine coolant fan shroud to release the engine coolant fan resister from the engine coolant fan shroud.

Engine Coolant Fan Resistor Replacement (LEA)

Scheme 6

Scheme 6: Engine Coolant Thermostat Housing Replacement (LFW)
Scheme 6: Engine Coolant Thermostat Housing Replacement (LFW)
CalloutComponent Name
Preliminary Procedure Drain the cooling system. Refer to Cooling System Draining and Filling (GE 47716) , Cooling System Draining and Filling (Static LF1 or LFW) , Cooling System Draining and Filling (Static LAF or LEA) . Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement . Remove the fuel pipe shield. Refer to Fuel Pipe Shield Replacement
1Heater Outlet Hose
2Heater Inlet Hose
3Surge Tank Hose
4Radiator Outlet Hose
5Bolt (Qty: 3) CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
6Engine Cooling Thermostat Housing Tip: Clean the engine block and thermostat gasket surfaces. Replace the gasket and any worn hoses.
CAUTION
Refer to Fastener Caution .

Engine Coolant Thermostat Housing Replacement (LFW)

  1. Drain the coolant from the engine block at the water pump drain. After the coolant has drained, tighten the drain bolt.
  2. Lower the vehicle.
  3. Disconnect the engine wiring harness electrical connector (1) from the engine coolant temperature (ECT) sensor.
  4. Remove the heated oxygen sensor (HO2S) electrical connector rosebud clip from the thermostat housing.
  5. Reposition the radiator outlet hose clamp (2) at the thermostat housing.
  6. Remove the radiator outlet hose retainer (1) from the fuel pump cover.
  7. Remove the surge tank hose (1) from the thermostat housing.
  8. Remove the exhaust heat shield studs (2).
  9. Remove the exhaust heat shield.
  10. Remove the HVAC heater inlet hose (2) from the thermostat housing.
  11. Remove the HVAC heater outlet hose (2) from the thermostat housing.
  12. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-491131-S06536846302012073000000) .
  13. Remove the ECT sensor, if necessary.
  14. Remove the thermostat housing bolts (1).
  15. Remove the thermostat housing (3) from the vehicle.
  16. Remove the water transfer pipe from the thermostat housing, if necessary.
  17. Remove and discard the water transfer pipe O-ring seals (2).
  18. Remove the thermostat cover bolts (1) and cover (2), if necessary.
  19. Remove the thermostat (3), if necessary.
  20. Remove and discard the thermostat cover O-ring seal, if necessary.
  21. Remove all debris and thread sealant from the engine coolant temperature (ECT) sensor and bolt holes if the housing is being re-used.
  1. Install a NEW thermostat cover O-ring seal into the recess groove.
  2. Install the thermostat (3), if necessary.
  3. Install the thermostat cover bolts (1), if necessary and tighten to 10 N.m (89 lb in).
  4. Install a NEW thermostat housing to engine gasket onto the thermostat housing.
  5. Load the thermostat housing assembly into position.
  6. Install NEW O-ring seals onto the water feed pipe.
  7. Install the water feed pipe into the thermostat housing aligning locator tab.
  8. Align the water pipe to water pump.
  9. Seat the water feed O-ring seal by pushing inward toward the water pump. Take care not to tear or damage the O-ring.
  10. Position the thermostat housing (3) against the engine.
  11. Install the thermostat housing bolts (1) and tighten to 10 N.m (89 lb in).
  12. If reinstalling the old sensor, coat the threads with sealant. Refer to «Adhesives, Fluids, Lubricants, and Sealers»(ref-491134-S31490395222012073000000) .
  13. Install the ECT sensor, if necessary and tighten to 20 N.m (15 lb ft).
  14. Lower the vehicle.
  15. Install the HVAC heater inlet hose (2) to the thermostat housing.
  16. Install the HVAC heater outlet hose (2) to the thermostat housing.
  17. Install the surge tank hose (1) onto the thermostat housing.
  18. Install the exhaust heat shield. Refer to «Exhaust Manifold Heat Shield Replacement (LEA)»(ref-491179-S41696619082012073000000) .
  19. Install the radiator outlet hose (2) to the thermostat housing.
  20. Install the radiator outlet hose retainer bracket (1) onto the fuel pump cover.
  21. Connect the engine wiring harness electrical connector (1) to the ECT sensor (1).
  22. Install the HO2S electrical connector rosebud clip to the thermostat housing.
  23. Verify the drain valves at the radiator and water pump are closed.
  24. Lower the vehicle.
  25. Fill the cooling system. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-491221-S11227726582012073000000) , «Cooling System Draining and Filling (Static LF1 or LFW)»(ref-491221-S01432179932012073000000) , «Cooling System Draining and Filling (Static LAF or LEA)»(ref-491221-S24420276232012073000000) .

Scheme 7

Scheme 7: Engine Coolant Thermostat Replacement (LAF or LEA)
Scheme 7: Engine Coolant Thermostat Replacement (LAF or LEA)
CalloutComponent Name
Preliminary Procedures Raise the vehicle by its full height. Refer to Lifting and Jacking the Vehicle . Draining the cooling system. Refer to Cooling System Draining and Filling (GE 47716) , Cooling System Draining and Filling (Static LF1 or LFW) , Cooling System Draining and Filling (Static LAF or LEA) . Disconnect the engine coolant outlet hose and the radiator surge tank outlet hose, from the thermostat housing.
1Engine Coolant Thermostat Bolt (Qty: 2) CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2Engine Coolant Thermostat NOTE: Loosen the drain bolt at the bottom of the water pump and drain the coolant from the engine block.
CAUTION
Refer to Fastener Caution .
NOTE
Loosen the drain bolt at the bottom of the water pump and drain the coolant from the engine block.

Engine Coolant Thermostat Replacement (LAF or LEA)

Scheme 8

Scheme 8: Engine Coolant Thermostat Replacement (LFW)
Scheme 8: Engine Coolant Thermostat Replacement (LFW)
CalloutComponent Name
Preliminary Procedure Remove the engine cooling thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement (LEA) , Engine Coolant Thermostat Housing Replacement (LFW) .
1Bolt (Qty: 3) CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2Engine Cooling Thermostat Gasket
3Engine Cooling Thermostat Tip: Clean the engine block and thermostat gasket surfaces. Replace gasket and any worn hoses.
CAUTION
Refer to Fastener Caution .

Engine Coolant Thermostat Replacement (LFW)

Scheme 9

Scheme 9: Engine Coolant Air Bleed Pipe Replacement (LF1 or LFW)
Scheme 9: Engine Coolant Air Bleed Pipe Replacement (LF1 or LFW)
CalloutComponent Name
Preliminary Procedure Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement . Remove the air cleaner. Refer to Air Cleaner Assembly Replacement .
1Engine Coolant Air Bleed Pipe Bolt CAUTION: Refer to Fastener Caution . Tighten 10Y (89 lb in)
2Retainer
3Engine Coolant Air Bleed Pipe
CAUTION
Refer to Fastener Caution .

Engine Coolant Air Bleed Pipe Replacement (LF1 or LFW)

Scheme 10

Scheme 10: Coolant Recovery Reservoir Vent Hose Replacement (LF1 or LFW)
Scheme 10: Coolant Recovery Reservoir Vent Hose Replacement (LF1 or LFW)
CalloutComponent Name
Preliminary Procedures Drain the coolant. Refer to Cooling System Draining and Filling (GE 47716) , Cooling System Draining and Filling (Static LF1 or LFW) , Cooling System Draining and Filling (Static LAF or LEA) . Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement
1Coolant Recovery Reservoir Vent Hose Clamps (Qty 2) Procedure Using J 38185 Hose Clamp Pliers reposition the coolant recovery reservoir vent hose. Special Tools J 38185 Hose Clamp Pliers
2Coolant Recovery Reservoir Vent Hose

Coolant Recovery Reservoir Vent Hose Replacement (LF1 or LFW)

Scheme 11

Scheme 11: Coolant Recovery Reservoir Vent Hose Replacement (LEA)
Scheme 11: Coolant Recovery Reservoir Vent Hose Replacement (LEA)
CalloutComponent Name
Preliminary Procedures Drain the coolant. Refer to Cooling System Draining and Filling (GE 47716) , Cooling System Draining and Filling (Static LF1 or LFW) , Cooling System Draining and Filling (Static LAF or LEA) . Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement
1Coolant Recovery Reservoir Vent Hose Clamps (Qty 2) Procedure Using J 38185 Hose Clamp Pliers reposition the coolant recovery reservoir vent hose. Special Tools J 38185 Hose Clamp Pliers
2Coolant Recovery Reservoir Vent Hose Retainer
3Coolant Recovery Reservoir Vent Hose Retainer
4Coolant Recovery Reservoir Vent Hose

Coolant Recovery Reservoir Vent Hose Replacement (LEA)

Scheme 12

Scheme 12: Coolant Recovery Reservoir Outlet Hose Replacement (LF1 or LFW)
Scheme 12: Coolant Recovery Reservoir Outlet Hose Replacement (LF1 or LFW)
CalloutComponent Name
Preliminary Procedures Drain the coolant. Refer to Cooling System Draining and Filling (GE 47716) , Cooling System Draining and Filling (Static LF1 or LFW) , Cooling System Draining and Filling (Static LAF or LEA) . Reposition the accessory wiring junction block. Refer to Accessory Wiring Junction Block Replacement
1Coolant Recovery Reservoir Outlet Hose Clamps (Qty 2) Procedure Using J 38185 Hose Clamp Pliers reposition the coolant recovery reservoir outlet hose. Special Tools J 38185 Hose Clamp Pliers
2Coolant Recovery Reservoir Outlet Hose

Coolant Recovery Reservoir Outlet Hose Replacement (LF1 or LFW)

Scheme 13

Scheme 13: Coolant Recovery Reservoir Outlet Hose Replacement (LEA)
Scheme 13: Coolant Recovery Reservoir Outlet Hose Replacement (LEA)
CalloutComponent Name
Preliminary Procedures Drain the coolant. Refer to Cooling System Draining and Filling (GE 47716) , Cooling System Draining and Filling (Static LF1 or LFW) , Cooling System Draining and Filling (Static LAF or LEA) . Reposition the accessory wiring junction block. Refer to Accessory Wiring Junction Block Replacement
1Coolant Recovery Reservoir Outlet Hose Clamps (Qty 2) Procedure Using J 38185 Hose Clamp Pliers reposition the coolant recovery reservoir outlet hose clamps. Special Tools J 38185 Hose Clamp Pliers
2Coolant Recovery Reservoir Outlet Hose

Coolant Recovery Reservoir Outlet Hose Replacement (LEA)

Scheme 14

Scheme 14: Water Outlet Replacement (LF1)
Scheme 14: Water Outlet Replacement (LF1)
CalloutComponent Name
Preliminary Procedures Drain the cooling system. Refer to Cooling System Draining and Filling (GE 47716) , Cooling System Draining and Filling (Static LF1 or LFW) , Cooling System Draining and Filling (Static LAF or LEA) . Remove the right engine mount bracket. Refer to Engine Mount Bracket Replacement - Right Side . Remove the air cleaner. Refer to Air Cleaner Assembly Replacement .
1Water Outlet Bolt (Qty: 2) CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2Seal
3Gasket
4Water Outlet NOTE: Clean the mating surfaces, replace the seal and gasket.
CAUTION
Refer to Fastener Caution .
NOTE
Clean the mating surfaces, replace the seal and gasket.

Water Outlet Replacement (LF1)

Water Pump Replacement (LFW)

Special Tools

EN 46104 Water Pump Pulley Holder

For equivalent regional tools refer to Special Tools

  1. Drain the cooling system. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-491221-S11227726582012073000000) , «Cooling System Draining and Filling (Static LF1 or LFW)»(ref-491221-S01432179932012073000000) , «Cooling System Draining and Filling (Static LAF or LEA)»(ref-491221-S24420276232012073000000) .
  2. Remove the generator drive belt. Refer to «Drive Belt Replacement»(ref-491177-S09710343522012073000000) .
  3. Use the EN 46104 water pump pulley holder (1) to retain the pulley.
  4. Remove the water pump pulley bolts.
  5. Remove the water pump pulley.
  6. Remove the water pump bolts.
  7. Remove the water pump.
  8. Remove and DISCARD the water pump seal.
  9. Carefully clean the water pump sealing surfaces.
  1. Install a NEW water pump seal.
  2. Install the water pump.
  3. Hand tighten the water pump bolts.
  4. Tighten the water pump bolts in sequence to 10 N.m (89 lb in).
  5. Tighten the water pump bolts a second pass in sequence to 10 N.m (89 lb in).
  6. Install the water pump pulley and the water pump pulley bolts.
  7. Use the EN 46104 water pump pulley holder (1) to hold the pulley.
  8. Install the water pump pulley bolts and tighten to 10 N.m (89 lb in).
  9. Install the generator drive belt. Refer to «Drive Belt Replacement»(ref-491177-S09710343522012073000000) .
  10. Fill the cooling system. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-491221-S11227726582012073000000) , «Cooling System Draining and Filling (Static LF1 or LFW)»(ref-491221-S01432179932012073000000) , «Cooling System Draining and Filling (Static LAF or LEA)»(ref-491221-S24420276232012073000000) .

Water Pump Replacement (L4)

Special Tools

EN-43651 Water Pump Holding Tool

For equivalent regional tools, refer to Special Tools .

  1. Remove the air cleaner assembly. Refer to «Air Cleaner Assembly Replacement»(ref-491198-S04410955102012073000000) .
  2. Remove the intake manifold cover. Refer to «Intake Manifold Cover Replacement»(ref-491134-S37063866352012073000000) .
  3. If equipped, remove the coolant heater.
  4. Remove the catalytic converter. Refer to «Catalytic Converter Replacement (LEA-FWD)»(ref-491179-S29424249042012073000000) , «Catalytic Converter Replacement (LEA-AWD)»(ref-491179-S07030702382012073000000) .
  5. Remove the engine coolant thermostat housing. Refer to «Engine Coolant Thermostat Housing Replacement (LEA)»(ref-491221-S04285857912012073000000) , «Engine Coolant Thermostat Housing Replacement (LFW)»(ref-491221-S10253759822012073000000) .
  6. Remove the water pump cover (2), fasteners (3) and gasket (1) from the engine front cover.
  7. Drain the coolant from the water pump using the plug at the bottom of the pump. Install the plug when finished.
  8. Align the EN-43651 water pump holding tool (1) with the threads on the water pump sprocket. Tighten the water pump holding tool fasteners (2).
  9. Secure the water pump holding tool with the previously removed water pump cover fasteners (1) into the engine front cover.
  10. Remove the water pump sprocket to water pump fasteners (1).
  11. Remove the front water pump fasteners (1).
  12. Remove the rear water pump fasteners (1).
  13. Remove the water pump (1).
  14. If replacing the water pump cover remove the water pump rear cover fasteners (4).
  15. Separate the water pump cover (1) from the water pump (3).
  16. Remove and discard the water pump O-ring seal (2).
  1. If replacing the water pump cover (1), install a new O-ring (2) to the water pump (3) and tighten the fasteners (4) to 25 N.m (18 lb ft).
  2. Using a guide pin (2), align the pin with the water pump holding tool.
  3. Position the water pump (1) against the engine block and hand tighten the water pump fasteners (3).
  4. Install 2 water pump sprocket to water pump fasteners (1). After the fasteners are snug, remove the guide pin (2) and install the third fastener (3) and tighten to 10 N.m (89 lb in).
  5. Install the water pump fasteners (1) at the front of the engine. Hand tighten at this time.
  6. Tighten the water pump fasteners at the front and rear of the water pump to 25 N.m (18 lb ft).
  7. Remove the water pump cover fasteners (1) from the engine front cover and water pump holding tool.
  8. Remove the EN-43651 water pump holding tool (1) from the water pump sprocket.
  9. Install the water pump access plate (2) gasket (1) and fasteners (3) and tighten to 10 N.m (89 lb in).
  10. If equipped, install the coolant heater.
  11. Install the engine coolant thermostat housing. Refer to «Engine Coolant Thermostat Housing Replacement (LEA)»(ref-491221-S04285857912012073000000) , «Engine Coolant Thermostat Housing Replacement (LFW)»(ref-491221-S10253759822012073000000) .
  12. Install the catalytic converter. Refer to «Catalytic Converter Replacement (LEA-FWD)»(ref-491179-S29424249042012073000000) , «Catalytic Converter Replacement (LEA-AWD)»(ref-491179-S07030702382012073000000) .
  13. Install the intake manifold cover. Refer to «Intake Manifold Cover Replacement»(ref-491134-S37063866352012073000000) .
  14. Install the air cleaner assembly. Refer to «Air Cleaner Assembly Replacement»(ref-491198-S04410955102012073000000) .
  15. Refill the coolant system. Refer to «Cooling System Draining and Filling (GE 47716)»(ref-491221-S11227726582012073000000) , «Cooling System Draining and Filling (Static LF1 or LFW)»(ref-491221-S01432179932012073000000) , «Cooling System Draining and Filling (Static LAF or LEA)»(ref-491221-S24420276232012073000000) .

Scheme 15

Scheme 15: Radiator Drain Cock Replacement
Scheme 15: Radiator Drain Cock Replacement
CalloutComponent Name
Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Place a drain pan under the right side lower radiator mount.
1Radiator Drain Cock

Radiator Drain Cock Replacement

Scheme 16

Scheme 16: Engine Coolant Fan Shroud Replacement (LF1 or LFW)
Scheme 16: Engine Coolant Fan Shroud Replacement (LF1 or LFW)
CalloutComponent Name
Preliminary Procedures Remove the front bumper fascia support. Refer to Front Bumper Fascia Support Replacement Remove the radiator inlet hose from radiator. Refer to Radiator Inlet Hose Replacement (LEA) , Radiator Inlet Hose Replacement (LF1 or LFW) Remove the compressor hose from the condenser. Refer to Air Conditioning Compressor Hose Replacement (LF1 or LFW) , Air Conditioning Compressor Hose Replacement (LEA) Remove the upper transmission cooler lines from radiator. Remove the radiator mounting bolts and brackets. Refer to Radiator Replacement . Unclip transmission cooler lines from shroud. Unclip air conditioning lines from shroud. Disconnect engine coolant fan motor electrical connector. Position radiator towards front of vehicle.
1Engine Coolant Fan Shroud Fastener (Qty: 2) CAUTION: Refer to Fastener Caution . Tighten 9 N.m (80 lb in)
2Engine Coolant Fan Shroud
CAUTION
Refer to Fastener Caution .

Engine Coolant Fan Shroud Replacement (LF1 or LFW)

Scheme 17

Scheme 17: Engine Coolant Fan Shroud Replacement (LEA)
Scheme 17: Engine Coolant Fan Shroud Replacement (LEA)
CalloutComponent Name
Preliminary Procedures Reposition radiator. Refer to Radiator Replacement . Unclip transmission cooler lines from shroud. Unclip air conditioning lines from shroud. Disconnect engine coolant fan motor electrical connector. Disconnect engine coolant fan resistor electrical connector.
1Engine Coolant Fan Shroud Fastener (Qty: 2) CAUTION: Refer to Fastener Caution . Tighten 9 N.m (80 lb in)
2Engine Coolant Fan Shroud
CAUTION
Refer to Fastener Caution .

Engine Coolant Fan Shroud Replacement (LEA)

Scheme 18

Scheme 18: Radiator Replacement
Scheme 18: Radiator Replacement
CalloutComponent Name
Preliminary Procedures Drain the cooling system. Refer to Cooling System Draining and Filling (GE 47716) , Cooling System Draining and Filling (Static LF1 or LFW) , Cooling System Draining and Filling (Static LAF or LEA) . Remove radiator hose inlet. Refer to Radiator Inlet Hose Replacement (LEA) , Radiator Inlet Hose Replacement (LF1 or LFW) . Remove radiator hose outlet. Refer to Radiator Outlet Hose Replacement (LF1 or LFW) , Radiator Outlet Hose Replacement (LEA) . Remove the condenser. Refer to Air Conditioning Condenser Replacement . Remove the engine coolant fan shroud. Refer to Engine Coolant Fan Shroud Replacement (LF1 or LFW) , Engine Coolant Fan Shroud Replacement (LEA) . Disconnect transmission oil cooler lines from radiator.
1Radiator Upper Radiator Bracket Fastener (Qty: 2) CAUTION: Refer to Fastener Caution . Tighten 25 N.m (18 lb ft)
2Radiator Upper Radiator Bracket (Qty: 2)
3Radiator
CAUTION
Refer to Fastener Caution .

Radiator Replacement

Scheme 19

Scheme 19: Radiator Air Lower Baffle and Deflector Replacement
Scheme 19: Radiator Air Lower Baffle and Deflector Replacement
CalloutComponent Name
Preliminary Procedures Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement (Terrain) , Front Bumper Fascia Replacement (Equinox) Remove radiator air upper baffel and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement
1Radiator Air Lower Baffel And Deflector Retainers (Qty 5)
2Radiator Air Lower Baffel And Deflector

Radiator Air Lower Baffle and Deflector Replacement

Scheme 20

Scheme 20: Radiator Air Upper Baffle and Deflector Replacement
Scheme 20: Radiator Air Upper Baffle and Deflector Replacement
CalloutComponent Name
Preliminary Procedures Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement (Terrain) , Front Bumper Fascia Replacement (Equinox)
1Radiator Air Upper Baffel And Deflector Retainers (Qty 2)
2Radiator Air Upper Baffel And Deflector

Radiator Air Upper Baffle and Deflector Replacement

  1. If equipped with AWD, remove the exhaust manifold. Refer to «Exhaust Manifold Replacement (LEA)»(ref-491179-S16207312842012073000000) .
  2. Disconnect the coolant heater cord (1).
  3. Remove the coolant heater bolt.
  4. Remove the coolant heater.
  1. Install the coolant heater.
  2. Install the coolant heater bolt and tighten to 50 N.m (37 lb ft).
  3. Connect the coolant heater cord (1).
  4. If equipped with AWD, install the exhaust manifold. Refer to «Exhaust Manifold Replacement (LEA)»(ref-491179-S16207312842012073000000) .

Scheme 21

Scheme 21: Coolant Heater Replacement (LFW)
Scheme 21: Coolant Heater Replacement (LFW)
CalloutComponent Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1Coolant Heater TIP: Be careful not to score inner surface of the engine block when removing coolant heater.

Coolant Heater Replacement (LFW)

Scheme 22

Scheme 22: Coolant Heater Cord Replacement (LAF)
Scheme 22: Coolant Heater Cord Replacement (LAF)
CalloutComponent Name
Preliminary Procedure Lift and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1Retainers
2Coolant Heater Cord

Coolant Heater Cord Replacement (LAF)

Scheme 23

Scheme 23: Coolant Heater Cord Replacement (LFW)
Scheme 23: Coolant Heater Cord Replacement (LFW)
CalloutComponent Name
Preliminary Procedure Lift and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1Retainers
2Coolant Heater Cord

Coolant Heater Cord Replacement (LFW)

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