Blower Override Switch: Service and Repair

REPLACEMENT






1. The Cold Engine Lock Out (CELO) switch screws into a fitting in the heater core inlet tube in the engine compartment.
2. To replace the switch, disconnect the two wire connectors from the receptacle in the switch.
3. Partially drain the coolant from the radiator.
4. Unscrew the switch body from the fitting in the heater inlet tube.
5. Apply Pipe Sealant with Teflon D8AZ-19554-A (ESG-M4G194-A) to the threads in the replacement switch and install it in the fitting. Tighten the switch to 19 Nm (14 ft lb).
6. Attach the electrical connector to the top of the switch.
7. Refill the radiator with the specified coolant.