Tool Required

J 42865 Cooling Fan Temperature Switch Socket

1. Drain the cooling system. Refer to Cooling System Draining and Filling .
2. Remove the radiator outlet hose from the radiator.
3. Remove the upper cooling fan control switch:

•	Disconnect the connector.

•	Remove the switch with J 42865 .

4. Raise the vehicle and support. Refer to Lifting and Jacking the Vehicle .
5. Remove the lower cooling fan control switch:

•	Disconnect the connector.

•	Remove the J 42865 .

1. Install the lower cooling fan control switch:

Notice: 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.

•	Install the switch with J 42865 .

Tighten
Tighten the switch to 22 N·m (16 lb ft).

•	Connect the connector.

2. Lower the vehicle.
3. Install the upper cooling fan control switch:

•	Install the switch with J 42865 .

Tighten
Tighten the switch to 22 N·m (16 lb ft).

•	Connect the connector.

4. Install the radiator outlet hose to the radiator.
5. Fill the cooling system. Refer to Cooling System Draining and Filling .