Golf GTI V6-2792cc 2.8L DOHC (AAA) SFI (1998)
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.
1 - Clip
2 - Engine coolant regulator housing
3 - O-ring
4 - A/C cut-out thermal switch -F163- and third speed coolant fan control thermal switch -F165-, brown
5 - Engine coolant temperature (ECT) sensor -G2- and after-run coolant fan control thermal switch -F87-. yellow
6 - Engine coolant temperature (ECT) sensor -G62-, blue
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Carefully relieve cooling system pressure.
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Disconnect harness connector from thermal switch -4-.
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Remove clip -1- and pull thermal switch from housing.
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Install in reverse order of removal.
NOTE: Refill coolant to proper level after removing and installing A/C switches or sensors.