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Home/Pontiac/Torrent/Pontiac Torrent I (2005-2009)/Repair manual/Cooling System (Mechanical)/Engine Cooling System: Removal & Installation
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Engine Cooling System: Removal & Installation Pontiac Torrent I

Cooling System (Mechanical) 1 illustration ~4318 words

Removal Procedure

  1. Drain the engine coolant. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  2. Remove the surge tank inlet hose clamp from the surge tank.
  3. Disconnect the surge tank inlet hose from the surge tank.
  4. Remove the surge tank bolts from the surge tank.
  5. Lift the surge tank to gain access to the heater outlet hose.
  6. Remove the heater outlet hose clamp from the surge tank.
  7. Remove the heater outlet hose from the surge tank.
  8. Remove the surge tank from the vehicle.

Installation Procedure

  1. Install the heater outlet hose to the surge tank.
  2. Install the surge tank to the vehicle.
  3. Install the surge tank bolts to the surge tank. Tighten: Tighten the bolts to 9 N.m (80 lb in).
  4. Connect the surge tank inlet hose to the surge tank.
  5. Install the surge tank inlet hose clamp to the surge tank.
  6. Fill the engine coolant. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  1. Remove the surge tank inlet hose clamp from the surge tank.
  2. Remove the surge tank inlet hose from the surge tank.
  3. Remove the surge tank inlet hose clamp from the engine.
  4. Remove the surge tank inlet hose from the engine.
  1. Install the surge tank inlet hose to the engine.
  2. Install the surge tank inlet hose clamp to the engine.
  3. Install the surge tank inlet hose to the surge tank.
  4. Install the surge tank inlet hose clamp to the surge tank.
  1. Partially drain the coolant. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  2. Remove the powertrain control module (PCM) wire harness (2) from the battery box cover.
  3. Remove the PCM bracket with PCM (1) from the top of the battery box cover.
  4. Carefully position the PCM and bracket out of the way.
  5. Loosen the screws securing the battery box cover.
  6. Remove the battery box cover (1).
  7. Remove the battery box vent tube from the side of the battery box.
  8. Remove the radiator inlet hose clamp from the radiator.
  9. Remove the radiator inlet hose from the radiator.
  10. Remove the radiator inlet hose clamp from the engine.
  11. Remove the radiator inlet hose from the engine.
  1. Install the radiator inlet hose to the engine.
  2. Install the radiator inlet hose clamp to the engine.
  3. Install the radiator inlet hose to the radiator.
  4. Install the radiator inlet hose clamp to the radiator.
  5. Install the battery box vent tube to the side of the battery box.
  6. Install the battery box cover (1). Tighten: Tighten the screws to 2 N.m (18 lb in).
  7. Install the PCM bracket with PCM (1) to the top of the battery box cover.
  8. Install the PCM wire harness (2) to the battery box cover.
  9. Fill the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  1. Drain the coolant. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  2. Remove the upper fascia retainers from the radiator support.
  3. Remove the upper radiator bracket bolt from the radiator support.
  4. Remove the upper radiator bracket from the radiator.
  5. Remove the radiator inlet hose clamp from the radiator.
  6. Remove the radiator inlet hose from the radiator.
  7. Remove the radiator inlet hose clamp from the engine.
  8. Remove the radiator inlet hose from the engine.
  1. Install the radiator inlet hose to the engine.
  2. Install the radiator inlet hose clamp to the engine.
  3. Install the radiator inlet hose to the radiator.
  4. Install the radiator inlet hose clamp to the radiator.
  5. Install the upper radiator bracket to the radiator.
  6. Install the upper radiator bracket bolt to the radiator support. Tighten: Tighten the bolt to 20 N.m (15 lb ft).
  7. Install the upper fascia retainers to the radiator support.
  8. Fill the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  1. Drain the coolant. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  2. Remove the radiator outlet hose clamp from the engine.
  3. Remove the radiator outlet hose from the engine.
  4. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-275025-S42710078362007122600000) .
  5. Remove the radiator outlet hose clamp from the radiator.
  6. Remove the radiator outlet hose from the radiator.
  1. Install the radiator outlet hose to the radiator.
  2. Install the radiator outlet hose clamp to the radiator.
  3. Lower the vehicle.
  4. Install the radiator outlet hose to the engine.
  5. Install the radiator outlet hose clamp to the engine.
  6. Fill the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
CAUTIONAn electric fan under the hood can start up even when the engine is not running and can injure you. Keep hands, clothing and tools away from any underhood electric fan.
CAUTIONTo help avoid personal injury or damage to the vehicle, a bent, cracked or damaged fan blade or housing should always be replaced.
CAUTIONBefore servicing any electrical component, the ignition and start switch must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.
  1. Remove the fan shroud assembly from the vehicle. Refer to «Cooling Fan and Shroud Replacement»(ref-275043-S25636687442007122600000) .
  2. Using GE-47827 or a six point socket, turn the fan motor drive plate in the opposite direction of the arrow stamped on the fan blade. See «Special Tools»(ref-275043-S37942007642007122600000) .
  3. Remove and discard the fan blade.
  4. Center punch each of the rivets (1) from the rear of the motor.
  5. Drill the head of the rivets (1) from the fan motor using a 6.35 mm (0.25 in) drill bit.
  6. Tap the rivets out of the fan shroud.
  7. Remove the fan motor from the fan shroud.
  8. Remove the tape covering the entry points from the fan motor.
  1. Install the engine cooling fan motor to the fan shroud.
  2. Install the cooling fan motor bolts.
  3. Install the cooling fan motor nuts. Tighten: Tighten the nuts to 6 N.m (53 lb in).
  4. Install the new engine cooling fan blade.
  5. Using the GE-47827 or a six point socket, turn the fan motor drive plate in the same direction of the arrow on the fan blade until the fan motor drive plate engages to the fan blade. See «Special Tools»(ref-275043-S37942007642007122600000) .
  6. Rotate the cooling fan blade to ensure proper rotation.
  7. Install the fan shroud assembly to the vehicle. Refer to «Cooling Fan and Shroud Replacement»(ref-275043-S25636687442007122600000) .
  1. Remove the front fascia. Refer to «Front Bumper Fascia Replacement (Equinox)»(ref-275010-S24831303702007122600000) or «Front Bumper Fascia Replacement (Torrent)»(ref-275010-S13873453322007122600000) .
  2. Drain the coolant. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  3. Disconnect the electrical connectors from the fan motors.
  4. Unclip the wire harness from the fan assembly.
  5. Remove the condenser radiator fan module (CRFM) closeout panel retainers from the condenser.
  6. Remove the CRFM closeout panel from the condenser.
  7. Remove the front impact bar. Refer to «Front Bumper Impact Bar Replacement»(ref-275010-S29010737812007122600000) .
  8. Remove the CRFM mounting bracket bolts from the radiator support.
  9. Remove the CRFM mounting brackets from the radiator support.
  10. Remove the radiator inlet hose clamp from the radiator (1).
  11. Remove the radiator inlet hose from the radiator (2)
  12. Disconnect the transmission cooler lines from the radiator.
  13. Unclip the transmission cooler lines from the fan assembly.
  14. Remove the fan assembly bolts from the radiator.
  15. Remove the fan assembly from the radiator.
  16. Position the condenser and radiator assembly forward of the right hand front impact bar bracket.
  17. Remove the fan assembly from the vehicle.
  1. Install the fan assembly to the vehicle.
  2. Return the condenser and radiator assembly to the mounted position.
  3. Install the fan assembly to the radiator by guiding the lower tabs into the corresponding hooks on the radiator.
  4. Install the fan assembly bolts to the radiator. Tighten: Tighten the bolts to 9 N.m (80 lb in).
  5. Install the radiator inlet hose to the radiator (2).
  6. Install the radiator inlet hose clamp to the radiator (1).
  7. Clip the transmission cooler lines to the fan assembly.
  8. Connect the transmission cooler lines to the radiator.
  9. Install the CRFM mounting brackets to the radiator support.
  10. Install the CRFM mounting bracket bolts to the radiator support. Tighten: Tighten the bolts to 20 N.m (15 lb ft).
  11. Install the front impact bar. Refer to «Front Bumper Impact Bar Replacement»(ref-275010-S29010737812007122600000) .
  12. Install the CRFM closeout panel to the condenser.
  13. Install the CRFM closeout panel retainers to the condenser.
  14. Clip the engine wire harness to fan assembly.
  15. Install the electrical connectors to the fan motors.
  16. Install the front fascia. Refer to «Front Bumper Fascia Replacement (Equinox)»(ref-275010-S24831303702007122600000) or «Front Bumper Fascia Replacement (Torrent)»(ref-275010-S13873453322007122600000) .
  17. Fill the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  1. Drain the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  2. Release and slide the thermal bypass pipe hose clamp (2) away from the thermal bypass fitting.
  3. Remove the thermal bypass hose (1) from the thermal bypass fitting.
  4. Release and slide the heater outlet hose clamp (1) away from the thermal bypass fitting.
  5. Remove the heater outlet hose (2) from the thermal bypass fitting.
  6. Remove the thermal bypass fitting bolt (2).
  7. Remove the thermal bypass fitting (1).
  8. Remove the seal from the thermal bypass fitting.
  1. Install a new seal to the thermal bypass fitting.
  2. Apply engine coolant to the thermal bypass fitting seal to ease installation.
  3. Install the thermal bypass fitting (1).
  4. Install the thermal bypass fitting bolt (2). Tighten: Tighten the bolt to 12 N.m (106 lb in).
  5. Install the heater outlet hose (2) to the thermal bypass fitting.
  6. Position the heater outlet hose clamp (1) over the thermal bypass fitting.
  7. Install the thermal bypass hose (1) to the thermal bypass fitting.
  8. Position the thermal bypass pipe hose clamp (2) over the thermal bypass fitting.
  9. Fill the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  1. Drain the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  2. Release and slide the thermal bypass pipe hose clamps (2) away from the hose connections.
  3. Remove thermal bypass hose (1).
  1. Apply engine coolant to the bypass hose in order to ease installation.
  2. Install the thermal bypass pipe hose (1).
  3. Position the thermal bypass pipe hose clamps (2) over the hose end connections.
  4. Fill the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  1. Drain the engine coolant. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  2. Remove the upper intake manifold. Refer to «Upper Intake Manifold Replacement»(ref-275051-S36865713312007122600000) .
  3. Remove the thermal bypass hose. Refer to «Thermal Bypass Hose Replacement»(ref-275043-S38087160022007122600000) .
  4. Remove the thermal bypass pipe bolt.
  5. Remove the thermal bypass pipe.
  1. Apply sealant GM P/N 12345493 (Canadian P/N 10953488) or equivalent to the end of the thermal bypass pipe where the pipe is pressed into the intake manifold.
  2. Install the thermal bypass pipe using J 21882 . See «Special Tools»(ref-275043-S37942007642007122600000) .
  3. Install the thermal bypass pipe bolt. Tighten: Tighten the bolt to 10 N.m (89 lb in).
  4. Install the thermal bypass hose. Refer to «Thermal Bypass Hose Replacement»(ref-275043-S38087160022007122600000) .
  5. Install the upper intake manifold. Refer to «Upper Intake Manifold Replacement»(ref-275051-S36865713312007122600000) .
  6. Fill the engine with coolant. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  1. Remove the fuel injector sight shield. Refer to «Fuel Injector Sight Shield Replacement»(ref-275051-S21662616672007122600000) .
  2. Drain the coolant until the coolant level is below the thermostat. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  3. Remove the crossover exhaust pipe. Refer to «Exhaust Crossover Pipe Replacement»(ref-275068-S04383759792007122600000) .
  4. Remove the radiator hose from the thermostat housing. Refer to «Radiator Inlet Hose Replacement (Pontiac)»(ref-275043-S13520200772007122600000) or «Radiator Inlet Hose Replacement (Chevrolet)»(ref-275043-S15577326732007122600000) .
  5. Remove the thermostat housing bolts (2) and clean any sealer from the bolt threads.
  6. Remove the thermostat housing (1).
  7. Remove the thermostat (3).
  8. Clean the mating surfaces.
  1. Install the thermostat (3).
  2. Install the thermostat housing (1).
  3. Install RTV sealer, GM P/N 12378478 (Canadian P/N 88900041) or the equivalent, to the thermostat housing bolt threads.
  4. Install the thermostat housing bolts (2). Tighten: Tighten the bolts to 25 N.m (18 lb ft).
  5. Install the radiator hose to the thermostat housing. Refer to «Radiator Inlet Hose Replacement (Pontiac)»(ref-275043-S13520200772007122600000) or «Radiator Inlet Hose Replacement (Chevrolet)»(ref-275043-S15577326732007122600000) .
  6. Install the crossover exhaust pipe. Refer to «Exhaust Crossover Pipe Replacement»(ref-275068-S04383759792007122600000) .
  7. Install the fuel injector sight shield. Refer to «Fuel Injector Sight Shield Replacement»(ref-275051-S21662616672007122600000) .
  8. Fill the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  9. Inspect the cooling system for leaks. Repair as necessary.
  1. Remove the fuel injector sight shield. Refer to «Fuel Injector Sight Shield Replacement»(ref-275051-S21662616672007122600000) .
  2. Drain the coolant until the coolant level is below the thermostat. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  3. Remove the crossover exhaust pipe. Refer to «Exhaust Crossover Pipe Replacement»(ref-275068-S04383759792007122600000) .
  4. Remove the radiator hose from the thermostat housing. Refer to «Radiator Inlet Hose Replacement (Pontiac)»(ref-275043-S13520200772007122600000) or «Radiator Inlet Hose Replacement (Chevrolet)»(ref-275043-S15577326732007122600000) .
  5. Remove the thermostat housing bolts (2) and clean any sealer from the bolt threads.
  6. Remove the thermostat housing (1).
  7. Remove the thermostat (3).
  8. Clean the mating surfaces.
  1. Install the thermostat (3).
  2. Install the thermostat housing (1).
  3. Install RTV sealer, GM P/N 12378478 (Canadian P/N 88900041) or the equivalent, to the thermostat housing bolt threads.
  4. Install the thermostat housing bolts (2). Tighten: Tighten the bolts to 25 N.m (18 lb ft).
  5. Install the radiator hose to the thermostat housing. Refer to «Radiator Inlet Hose Replacement (Pontiac)»(ref-275043-S13520200772007122600000) or «Radiator Inlet Hose Replacement (Chevrolet)»(ref-275043-S15577326732007122600000) .
  6. Install the crossover exhaust pipe. Refer to «Exhaust Crossover Pipe Replacement»(ref-275068-S04383759792007122600000) .
  7. Install the fuel injector sight shield. Refer to «Fuel Injector Sight Shield Replacement»(ref-275051-S21662616672007122600000) .
  8. Fill the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  9. Inspect the cooling system for leaks. Repair as necessary.
  1. Drain the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  2. Release and slide the heater core inlet hose clamp away from the heater inlet pipe connection.
  3. Disconnect the heater core inlet hose from the heater inlet pipe.
  4. Remove the heater inlet pipe nut (2).
  5. Remove the heater inlet pipe (1).
  6. Remove the seal (3) from the heater inlet pipe (1).
  1. Install a new seal (3) to the heater inlet pipe (1).
  2. Apply engine coolant to the heater inlet pipe seal (3).
  3. Install the heater outlet pipe (1).
  4. Install the heater inlet pipe nut (2). Tighten: Tighten the nut to 25 N.m (18 lb ft).
  5. Connect the heater core inlet hose to the heater inlet pipe.
  6. Position the heater core inlet hose clamp over the heater inlet pipe connection.
  7. Fill the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  1. Remove the injector sight shield. Refer to «Fuel Injector Sight Shield Replacement»(ref-275051-S21662616672007122600000) .
  2. Drain the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  3. Remove the air cleaner air intake duct. Refer to «Air Cleaner Inlet Duct Replacement»(ref-275052-S14118345752007122600000) .
  4. Remove the manifold absolute pressure (MAP) sensor bolt (3) and bracket (2).
  5. Rotate the MAP sensor out of the way of the heater outlet pipe.
  6. Disconnect the evaporative emissions (EVAP) pipe from the EVAP canister purge solenoid. Refer to «Plastic Collar Quick Connect Fitting Service»(ref-275052-S21302766042007122600000) .
  7. Disconnect the electrical connector from the EVAP canister purge solenoid.
  8. Disconnect the exhaust gas recirculation (EGR) valve electrical connector.
  9. Release and slide the heater outlet hose clamp (1) away from the heater outlet pipe connection.
  10. Disconnect the heater outlet hose (2) from the heater outlet pipe.
  11. Release and slide the heater core outlet hose clamp away from the heater outlet pipe connection.
  12. Disconnect the heater core outlet hose from the heater outlet pipe.
  13. Remove the heater outlet pipe nut (1) securing the heater outlet pipe (2) to the intake manifold.
  14. Remove the two nuts (3) and bolt (4) securing the heater outlet pipe to the throttle body.
  15. Remove the heater outlet pipe (2) from the engine.
  1. Install the heater outlet pipe (2) to the engine.
  2. Install the heater outlet pipe nut (1) securing the heater outlet pipe (2) to the intake manifold. Tighten: Tighten the nut to 25 N.m (18 lb ft).
  3. Install the heater outlet pipe to the throttle body nuts (3) and bolt (4). Tighten: Tighten the nuts and bolt to 10 N.m (89 lb in).
  4. Connect the heater core outlet hose to the heater outlet pipe.
  5. Position the heater core outlet hose clamp over the heater outlet pipe connection.
  6. Connect the heater outlet hose (2) to the heater outlet pipe.
  7. Position the heater outlet hose clamp (1) over the heater outlet pipe connection.
  8. Connect the electrical connector to the EGR valve.
  9. Connect the electrical connector to the EVAP canister purge solenoid.
  10. Connect the EVAP pipe to the EVAP canister purge solenoid. Refer to «Plastic Collar Quick Connect Fitting Service»(ref-275052-S21302766042007122600000) .
  11. Reposition the MAP sensor.
  12. Install the MAP sensor bracket (2) and bolt (3). Tighten: Tighten the bolt to 10 N.m (89 lb in).
  13. Install the air cleaner air intake duct. Refer to «Air Cleaner Inlet Duct Replacement»(ref-275052-S14118345752007122600000) .
  14. Fill the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  15. Install the injector sight shield. Refer to «Fuel Injector Sight Shield Replacement»(ref-275051-S21662616672007122600000) .
  1. Drain the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  2. Remove the heater outlet hose clamps (1).
  3. Remove the heater outlet hose (2).
  1. Apply engine coolant to the heater outlet hose in order to ease installation.
  2. Install the heater outlet hose (2).
  3. Install the heater outlet hose clamps (1).
  4. Fill the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  1. Drain the cooling system until the coolant is below the level of the water pump. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  2. Loosen the water pump pulley bolts (4).
  3. Using the J 39914 rotate the drive belt tensioner (8) to release the tension on the drive belt. See «Special Tools»(ref-275043-S37942007642007122600000) .
  4. Remove the drive belt from the right idler pulley (2).
  5. Carefully release the J 39914 to relieve the drive belt tensioner spring tension. See «Special Tools»(ref-275043-S37942007642007122600000) .
  6. Remove the J 39914 from the drive belt tensioner (8). See «Special Tools»(ref-275043-S37942007642007122600000) .
  7. Remove the water pump pulley bolts (2).
  8. Remove the water pump pulley (1).
  9. Remove the water pump bolts (3).
  10. Remove the water pump (1).
  11. Remove the water pump gasket (2).
  12. Clean the water pump mating surfaces.
  1. Install the water pump gasket (2).
  2. Install the water pump (1).
  3. Install the water pump bolts (3). Tighten: Tighten the bolts to 10 N.m (89 lb in).
  4. Install the water pump pulley (1). Loosely install the pulley bolts (2).
  5. Insure the drive belt is properly centered on all the pulleys except the right idler puller (3).
  6. Using the J 39914 rotate the drive belt tensioner away from the drive belt. See «Special Tools»(ref-275043-S37942007642007122600000) .
  7. Install the drive belt to the right idler pulley (2).
  8. Carefully release the J 39914 allowing the drive belt tensioner (8) to come in contact with the drive belt. See «Special Tools»(ref-275043-S37942007642007122600000) .
  9. Remove the J 39914 from the drive belt tensioner (8). See «Special Tools»(ref-275043-S37942007642007122600000) .
  10. Inspect the drive belt to insure the belt is properly centered on all the pulleys (1-8).
  11. Tighten the water pump pulley bolts. Tighten: Tighten the bolts to 25 N.m (18 lb ft).
  12. Fill the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  13. Inspect the cooling system for leaks.
  1. Drain the radiator. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  2. Unscrew the drain plug from the radiator end tank.
  3. Remove and discard the O-ring.
  1. Install the new O-ring.
  2. Install and tighten the drain plug into the end tank drain hole.
  3. Fill the radiator. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  1. Drain the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  2. Remove the front fascia. Refer to «Front Bumper Fascia Replacement (Equinox)»(ref-275010-S24831303702007122600000) or «Front Bumper Fascia Replacement (Torrent)»(ref-275010-S13873453322007122600000) .
  3. Remove the battery box air inlet duct.
  4. Remove the condenser radiator fan module (CRFM) closeout panel retainers from the condenser.
  5. Remove the CRFM closeout panel from the condenser.
  6. Remove the fan assembly bolts from the radiator.
  7. Lift the fan assembly to disengage the lower retention tabs.
  8. Position the fan assembly away from the radiator.
  9. Remove the front impact bar. Refer to «Front Bumper Impact Bar Replacement»(ref-275010-S29010737812007122600000) .
  10. Remove the CRFM bracket bolts from the radiator support.
  11. Remove the CRFM brackets from the radiator.
  12. Remove the radiator inlet hose clamp from the radiator.
  13. Remove the radiator inlet hose from the radiator.
  14. Remove the radiator outlet hose clamp from the radiator.
  15. Remove the radiator outlet hose from the radiator.
  16. Disconnect the transmission cooler liners from the radiator.
  17. Remove the bolts retaining the condenser to the radiator.
  18. Position the condenser and radiator assembly forward of the right hand front impact bar bracket.
  19. Separate the condenser from the radiator.
  20. Remove the radiator from the vehicle.
  1. Install the radiator to the vehicle.
  2. Install the condenser to the radiator.
  3. Install the bolts to retain the top of the condenser to the radiator. Tighten: Tighten the bolts to 9 N.m (80 lb in).
  4. Connect the transmission cooler liners to the radiator.
  5. Install the radiator outlet hose to the radiator.
  6. Install the radiator outlet hose clamp to the radiator.
  7. Install the radiator inlet hose to the radiator.
  8. Install the radiator inlet hose clamp to the radiator.
  9. Install the CRFM bracket to the radiator support.
  10. Install the CRFM brackets bolts to the radiator. Tighten: Tighten the bolt to 20 N.m (15 lb ft).
  11. Install the fan assembly to the radiator.
  12. Install the fan assembly bolts to the radiator. Tighten: Tighten the bolts to 9 N.m (80 lb in).
  13. Install the front bumper impact bar. Refer to «Front Bumper Impact Bar Replacement»(ref-275010-S29010737812007122600000) .
  14. Install the CRFM closeout panel to the condenser.
  15. Install the CRFM closeout panel retainers to the condenser.
  16. Install the battery box air duct.
  17. Install the front fascia. Refer to «Front Bumper Fascia Replacement (Equinox)»(ref-275010-S24831303702007122600000) or «Front Bumper Fascia Replacement (Torrent)»(ref-275010-S13873453322007122600000) .
  18. Fill the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  1. Drain the engine coolant. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  2. Remove the coolant heater cord from the heater (2).
  3. Remove the coolant heater from the block.
  1. Remove any burrs, sealer, paint or other foreign material from the threads/sealing surface of the engine block and from the old coolant heater if the heater is to be reused.
  2. If reusing the old coolant heater, apply thread sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the threads.
  3. Install the coolant heater to the engine block. Tighten: Tighten the coolant heater to 50 N.m (37 lb ft).
  4. Install the coolant heater cord to the heater (2).
  5. Fill the cooling system. Refer to «Draining and Filling Cooling System (Static Fill)»(ref-275043-S30477197572007122600000) or «Draining and Filling Cooling System (GE 47716 Fill)»(ref-275043-S31713209232007122600000) .
  1. Disconnect the coolant heater cord (2) from the coolant heater (1).
  2. Disconnect the coolant heater cord (1) from the cord retainers (2).
  3. Remove the coolant heater cord (1) from the vehicle.
  1. Route the coolant heater cord (1) as illustrated, in the engine compartment.
  2. Connect the coolant heater cord (1) to the cord retainers (2).
  3. Connect the coolant heater cord (2) to the coolant heater (1).

Scheme 4

Scheme 4: Cooling Fan Control - Two Fan System
Scheme 4: Cooling Fan Control - Two Fan System

The engine cooling fan system consists of 2 electrical cooling fans and 3 fan relays. The relays are arranged in a series/parallel configuration that allows the engine control module (ECM) to operate both fans together at low or high speeds. The cooling fans receive positive voltage from the cooling fan relays which receive battery positive voltage from the underhood fuse block. The fan relay coils receive ignition 1 voltage from the powertrain relay.

During low speed operation, the ECM supplies the ground path for the fan 1 relay through the low speed cooling fan relay control circuit. This energizes the fan 1 relay coil, closes the relay contacts and supplies battery positive voltage from the fan 1 fuse through the cooling fan motor supply voltage circuit to the right cooling fan. The ground path for the right cooling fan is through the fan 2 relay and the left cooling fan. The result is a series circuit with both fans running at low speed.

During high speed operation the ECM supplies the ground path for the fan 1 relay through the low speed cooling fan relay control circuit. The ECM grounds the fan 3 relay and the fan 2 relay through the high speed cooling fan relay control circuit. This energizes the fan 2 relay coil, closes the relay contacts and provides a ground path for the right cooling fan. At the same time the fan 3 relay coil is energized closing the relay contacts and provides battery positive voltage from the fan 2 fuse on the cooling fan motor supply voltage circuit to the left cooling fan. During high speed fan operation, both engine cooling fans have their own ground path. The result is a parallel circuit with both fans running at high speed.

More articles — Engine Cooling System