volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Coolant Temperature Sensor/Switch (For Computer) > < Coolant Temperature Sensor / Switch HVAC|Description and Operation
Page 1
background image

Coolant Temperature Sensor / Switch HVAC: Service and Repair

WARNING:  The cooling system is pressurized when the engine is warm. Wear gloves and other appropriate protection, and slowly and
carefully release system pressure, if necessary, before performing repairs.

- Clip
- Engine coolant regulator housing
- O-ring
- A/C cut-out thermal switch -F163- and third speed coolant fan control thermal switch -F165-, brown
- Engine coolant temperature (ECT) sensor -G2- and after-run coolant fan control thermal switch -F87-. yellow
- Engine coolant temperature (ECT) sensor -G62-, blue

-

Carefully relieve cooling system pressure.

-

Disconnect harness connector from thermal switch -4-.

-

Remove clip -1- and pull thermal switch from housing.

-

Install in reverse order of removal.

NOTE:  Refill coolant to proper level after removing and installing A/C switches or sensors.

Coolant Temperature Sensor/Switch (For Computer) > < Coolant Temperature Sensor / Switch HVAC|Description and Operation