-Oil cooler temperature sensor replacement:

· On a 964, you’ll certainly have to remove the passenger-side mudguard. You’ll probably have to do this for a 993, as well.

· You’ll probably want to perform the replacement when the engine is cool (the thermostat closed).

· Your new sensor should come with a fresh metal gasket.

· Your Porsche toolkit includes the correct sized wrench to fit the sensor.

· Expect a small amount of oil after the sensor is removed. Nothing a few paper towels cannot handle.

· The sensor simply threads out and in.

· After replacing, check for oil leaks after the thermostat has opened.