Radiator Cooling Fan Temperature Sensor / Switch: Service and Repair

Removal Procedure

- Tools Required
- J 42865 Cooling Fan Temperature Switch Socket

1. Drain the cooling system.
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 Vehicle Lifting.
5. Remove the lower cooling fan control switch:
- Disconnect the connector.
- Remove the J 42865.

Installation Procedure





1. Install the lower cooling fan control switch:

Notice: Refer to Fastener Notice in Service Precautions.

- Install the switch with J 42865.
- Tighten the switch to 22 Nm (16 ft. lbs.).
- Connect the connector.
2. Lower the vehicle.
3. Install the upper cooling fan control switch:
- Install the switch with J 42865.
- Tighten the switch to 22 Nm (116 ft. lbs.).
- Connect the connector.
4. Install the radiator outlet hose to the radiator.
5. Fill the cooling system.