Subject: | Revised Fan Shroud Replacement and Cooling Fan Replacement-Electric Procedures |
Models: | 2002-2004 Chevrolet Alero (Export) |
| 2002-2005 Pontiac Grand Am |
| 2002-2004 Oldsmobile Alero |
This bulletin is being issued to revise the Fan Shroud Replacement and Cooling Fan Replacement - Electric Procedures in the Engine Cooling sub-section of the Service Manual. Please replace the current information in the Service Manual with the following
information.
The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.
Fan Shroud Replacement (2.2L)
Tools Required
• | J 38185 Hose Clamp Pliers |
• | J 39400-A Halogen Leak Detector |
Removal Procedure
- Remove the battery. Refer to Battery Replacement.
- Remove the battery tray.
- Recover the air conditioning (A/C) system. Refer to Refrigerant Recovery and Recharging.
- Drain the cooling system. Refer to Draining and Filling Cooling System.
- Use the J 38185 in order to reposition the radiator inlet hose clamp (1).
- Remove the radiator inlet hose (2) from the radiator.
- Use the J 38185 in order to reposition the surge tank outlet/radiator outlet hose clamp (4) from the surge tank.
- Remove the surge tank outlet/radiator outlet hose (6) from the surge tank.
- Remove the radiator vent hose from the radiator.
- Remove the upper transaxle cooler line from the radiator.
- Disconnect the refrigerant pressure sensor electrical connector
- Remove the condenser inlet fitting from the discharge hose.
Important: Cap or tape off the open A/C hose to prevent system contamination.
- Remove and discard the sealing washer.
- Disconnect the cooling fan electrical connectors.
- Remove the surge tank outlet/radiator outlet hose bolt from the intake manifold.
- Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
- Remove the lower closeout panel.
- Use the J 38185 in order to reposition the surge tank outlet/radiator outlet hose clamp (7) from the radiator.
- Remove the surge tank outlet/radiator outlet hose (6) from the radiator
- Remove the lower transaxle cooler line from the radiator.
- Remove the bolt from the evaporator hose to the condenser.
- Remove the evaporator hose from the condenser.
- Remove and discard the sealing washer.
- Remove the lower radiator support mounting panel.
- Remove the radiator, fan and condenser as an assembly from the vehicle.
- Remove the cooling fan shroud from the radiator
- Remove the fan nuts (9) from the fans (1, 8).
- Remove the fans (1, 8) from the fan motors (7, 3).
- Remove the cooling fan motor bolts (2) from the cooling fan motors (3,7).
- Remove the bolts (10) from the cooling fan brackets (5, 6).
- Remove the cooling fan brackets (5, 6) from the fan shroud.
Installation Procedure
- Install the cooling fan brackets (5, 6) to the fan shroud.
Notice: Refer to Fastener Notice.
- Install the cooling fan bracket bolts (10).
Tighten
Tighten the bolts to 10 N·m (89 lb in).
- Install the cooling fan motor bolts (2) to the cooling fan motors (3, 7).
Tighten
Tighten the bolts to 6 N·m (53 lb in).
- Install the fans (1, 8) to the fan motors (7, 3).
- Install the fan nuts (9) to the fans (1, 8).
Tighten
Tighten the nut to 6 N·m (53 lb in).
- Install the cooling fan shroud to the radiator.
- Install the radiator, fan, and condenser as an assembly to the vehicle.
- Install the lower radiator support mounting panel.
Tighten
Tighten the bolts to 10 N·m (89 lb in).
- Remove the cap or tape from the evaporator hose.
- Install a new seal washer to the condenser end of the evaporator hose assembly. Refer to Sealing Washer Replacement.
- Install the evaporator hose to the condenser outlet.
- Install the condenser outlet to the evaporator line bolt.
Tighten
Tighten the bolt to 25 N·m (18 lb ft).
- Install the lower transaxle cooler line to the radiator.
Tighten
Tighten the fitting to 30 N·m (22 lb ft).
- Install the surge tank outlet/radiator outlet hose (6) to the radiator.
- Use the J 38185 in order to reposition the surge tank outlet/radiator outlet hose clamp (7) to the radiator.
- Connect the cooling fan electrical connector.
- Install the lower close out panel.
- Lower the vehicle. Refer to Lifting and Jacking the Vehicle.
- Install the surge tank outlet/radiator outlet hose bolt from the intake manifold.
- Remove the cap or tape from the discharge hose.
- Install a new seal washer to the discharge hose. Refer to Sealing Washer Replacement.
- Install the condenser inlet fitting to the discharge hose.
Tighten
Tighten the fitting to 25 N·m (18 lb ft).
- Install the refrigerant pressure sensor electrical connector.
- Install the upper transaxle oil cooler line.
Tighten
Tighten the fitting to 30 N·m (22 lb ft).
- Install the radiator vent hose to the radiator.
- Install the surge tank outlet radiator outlet hose (6) to the surge tank.
- Use the J 38185 in order to reposition the surge tank outlet/radiator outlet hose clamp (4) from the surge tank.
- Install the radiator inlet hose (2) to the radiator.
- Use the J 38185 in order to reposition the radiator inlet hose clamp (1).
- Refill the cooling system. Refer to Draining and Filling Cooling System.
- Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
- Leak test the fittings of the reinstalled components using the J 39400-A .
- Install the battery tray.
- Install the battery. Refer to Battery Replacement.
Fan Shroud Replacement (3.4L)
Caution: To help avoid personal injury or damage to the vehicle, a bent, cracked, or damaged fan blade housing should always be replaced.
Removal Procedure
- Remove the cooling fan. Refer to Cooling Fan Replacement - Electric.
- Remove the fan nuts (9) from the fans (1, 8).
- Remove the fans (1, 8) from the fan motors (3, 7).
- Remove the cooling fan motor bolts (2) from the cooling fan motors (3, 7).
- Remove the bolts (10) from the cooling fan brackets (5, 6).
- Remove the cooling fan brackets (5, 6) from the fan shroud.
Installation Procedure
- Install the cooling fan brackets (5, 6) to the fan shroud.
Notice: Refer to Fastener Notice in Cautions and Notices.
- Install the cooling fan bracket bolts (10).
Tighten
Tighten the bolts to 10 N·m (89 lb in).
- Install the cooling fan motor bolts (2) to the cooling fan motors (3, 7).
Tighten
Tighten the bolts to 6 N·m (53 lb in).
- Install the fans (1, 8) to the fan motors (3, 7).
- Install the fan nuts (9) to the fans (1, 8).
Tighten
Tighten the nut to 6 N·m (53 lb in).
- Install the cooling fan. Refer to Cooling Fan Replacement - Electric.
Cooling Fan Replacement - Electric (2.2L)
Caution: To help avoid personal injury or damage to the vehicle, a bent, cracked, or damaged fan blade or housing should always be replaced.
Removal Procedure
- Remove the fan shroud. Refer to Fan Shroud Replacement.
- Remove the fan nuts (9) from the fans (1, 8).
- Remove the fans (1,8) from the fan motors (7, 3).
Installation Procedure
- Install the fan to the fans (1, 8) to the fan motors (7, 3) .
Notice: Refer to Fastener Notice.
- Install the fan nuts (9) to the fans (1, 8).
Tighten
Tighten the nut to 6 N·m (53 lb in).
- Install the cooling fan shroud. Refer to Fan Shroud Replacement.
Cooling Fan Replacement - Electric (3.4L)
Caution: To help avoid personal injury or damage to the vehicle, a bent, cracked, or damaged fan blade or housing should always be replaced.
Removal Procedure
- Remove the upper transaxle cooler line from the radiator ONLY.
- Remove the discharge hose to cooling fan shroud bolt ONLY.
- Disconnect the cooling fan electrical connectors.
- Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
- Remove the lower closeout panel.
- Remove the lower transaxle cooler line from the radiator.
- Remove the lower radiator support mounting panel.
- Reposition the transmission oil cooler lines away from the fan shroud.
- Push up on the cooling fan to remove the cooling fan shroud from the radiator.
- Remove the cooling fan from the bottom of the vehicle.
Installation Procedure
- Install the cooling fan from the bottom of the vehicle.
- Install the cooling fan shroud to the radiator.
- Pull down on the cooling fan to snap it onto the radiator.
Notice: Refer to Fastener Notice.
- Install the lower radiator mounting panel.
Tighten
Tighten the bolts to 10 N·m (89 lb in).
- Install the lower transaxle cooler line to the radiator.
Tighten
Tighten the fitting to 30 N·m (22 lb ft).
- Connect the cooling fan electrical connectors.
- Install the lower closeout panel.
- Lower the vehicle. Refer to Lifting and Jacking the Vehicle.
- Install the discharge hose to cooling fan shroud bolt.
Tighten
Tighten the fitting to 10 N·m (89 lb in).
- Install the refrigerant pressure sensor electrical connector.
- Install the upper transaxle cooler line to the radiator.
Tighten
Tighten the fitting to 30 N·m (22 lb ft).