Engine Cooling Fan: Removal & Installation Pontiac Aztek I

REMOVAL & INSTALLATION

Note. Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

Note. If abnormal noise or vibration is felt from the engine compartment, inspect and clean any foreign material from the cooling fan blades.

Removal

Note. Required Tools: Hose Clamp Pliers (J-38185).

1. Remove the air cleaner and duct assembly. Remove the cooling fan harness electrical connector. (Scheme 3) Remove right side diagonal brace.
2. Loosen the engine mount strut nuts. Remove the engine mount strut bracket brace bolts from the upper radiator support and rotate the struts and brackets rearward. (Scheme 4) Remove upper radiator hose.
3. Remove the radiator upper mount bolts. Remove the radiator upper mounts. Remove the cooling fan shroud bolts. Reposition the coolant overflow hose clamp at the radiator using the Hose Clamp Pliers.
4. Disconnect and reposition the coolant overflow hose. Disconnect the upper transmission oil cooler line from the radiator. Raise the vehicle. Disconnect the transmission oil cooler lines from the fan module retainer clip. Lower the vehicle.
5. Disconnect the engine wiring harness retainers at the engine harness bracket. Reposition the engine wiring harness. Remove the cooling fans with the cooling fan shroud. (Scheme 5)

Scheme 3

Scheme 4

Scheme 5

Installation

1. Install the cooling fans with the cooling fan shroud. See «FAN SHROUD»(ref-167983-S40043224312004102700000). Reposition the engine wiring harness. Connect the engine wiring harness retainers at the engine harness bracket. (Scheme 5) Raise the vehicle. Connect the transmission oil cooler lines to the fan module retainer clip. Lower the vehicle. Connect the upper transmission oil cooler line to the radiator.
2. Install the cooling fan shroud bolts. Tighten the bolts to specifications. See «TORQUE SPECIFICATIONS»(ref-167983-S33457320982004102700000). Install the radiator upper mounts. Install the radiator upper mount bolts. Tighten the bolts to specifications. See «TORQUE SPECIFICATIONS»(ref-167983-S33457320982004102700000).
3. Install the coolant overflow hose to the radiator. Reposition the hose clamp to secure the coolant overflow hose using the Hose Clamp Pliers. Install the upper radiator hose.
4. Position the engine mount struts brackets flush with the upper radiator support. Install the engine mount strut bracket brace bolts to the upper radiator support. Tighten bolts to specifications. See «TORQUE SPECIFICATIONS»(ref-167983-S33457320982004102700000). Tighten the engine mount strut nuts. Tighten the nuts to specifications. See «TORQUE SPECIFICATIONS»(ref-167983-S33457320982004102700000).
5. Install right side diagonal brace. Install the cooling fan harness electrical connector. (Scheme 3) Install the air cleaner and duct assembly.

1. Turn the ignition off. Remove the cooling fan and shroud assembly. See «COOLING FAN»(ref-167983-S31621509532004102700000).
2. Turn the cooling fan nut clockwise to loosen. Remove the cooling fan nut.
3. Remove the cooling fan from the shroud. Disconnect the electrical connector from the cooling fan motor.
4. Remove the screws from the cooling fan motor. (Scheme 6) Remove the cooling fan motor.

Scheme 6

1. Install the cooling fan motor. (Scheme 6) Install the screws to the cooling fan motor. Tighten the screws to specifications. See «TORQUE SPECIFICATIONS»(ref-167983-S33457320982004102700000).
2. Connect the electrical connector to the cooling fan motor. Install the cooling fan to the shroud.
3. Turn the cooling fan nut counterclockwise to tighten. Install the cooling fan nut. Tighten the nut to specifications. See «TORQUE SPECIFICATIONS»(ref-167983-S33457320982004102700000).
4. Install the cooling fan and shroud assembly. See «COOLING FAN»(ref-167983-S31621509532004102700000).

1. Remove the cooling fan assembly including the shroud. See «COOLING FAN»(ref-167983-S31621509532004102700000). Turn the cooling fan nuts clockwise to loosen. Remove the cooling fan nuts. Remove the cooling fans from the shroud.
2. Disconnect the fan motor electrical connectors. Remove the fan motor screws. Remove the fan motors from the cooling fan shroud. (Scheme 6)
3. Remove the heat shields from the cooling fan shroud. (Scheme 7)

Scheme 7

1. Install the heat shields to the cooling fan shroud. (Scheme 7) Install the fan motors to the cooling fan shroud. (Scheme 6)
2. Install the screws to the cooling fan motor. Tighten the screws to specifications. See «TORQUE SPECIFICATIONS»(ref-167983-S33457320982004102700000).
3. Connect the cooling fan motor electrical connectors. Install the cooling fans to the shroud. Turn the cooling fan nuts counterclockwise to tighten. Install the cooling fan nuts. Tighten the nuts to specifications. See «TORQUE SPECIFICATIONS»(ref-167983-S33457320982004102700000).
4. Install the cooling fan assembly including the shroud. See «COOLING FAN»(ref-167983-S31621509532004102700000).

1. Remove the electrical center cover.
2. Locate the relay. See appropriate FUSES & CIRCUIT BREAKERS article in ELECTRICAL. NOTE: Use Relay Puller Pliers to pull the relay straight out from the electrical center terminals. The use of pliers or a flat bladed tool could damage the electrical center.
3. Using the Relay Puller Pliers position the tool on opposing corners of the relay. (Scheme 8) Remove the relay from the electrical center.

Scheme 8

Install the relay in the same position as removed. Install the electrical center cover.