Cayenne Turbo (9PA) V8-4.8L Turbo (2008)
Engine - Coolant Temperature Sensor/Switch: Service and Repair
Removing and installing coolant temperature sensor on 4.8-liter DFI engines
Preliminary work
1. Remove center engine compartment cover at the rear.
2. Remove the intake-air distributor.
Removing coolant temperature sensor
Caution
Danger of poisoning!
Coolant additives and cleaning liquids are toxic.
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Swallowing coolant additives and cleaning liquids must be urgently avoided.
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Do not consume any food or drink while working (danger of accidental mixing).
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If swallowed, observe the warning information on the containers and contact a doctor. If necessary, show the doctor the warning
information on the packaging.
Caution
Danger of scalding with hot coolant!
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Never open the cooling system when it is hot. Emerging coolant may be very hot and can cause scalding.
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The cooling system must be depressurized before being opened.
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Allow engine to cool down.
The coolant temperature sensor is installed in the coolant guide behind the engine wire harness. -2-