928 S4 V8-4957cc 5.0L (1987)
Ambient Temperature Sensor / Switch HVAC: Service and Repair
Removing and Installing Outside Sensor
Outside sensor is located in fresh air hose of alternator.
1. Unscrew cover in front left wheel house.
2. Loosen hose straps on fresh air hoses and pull off of outside sensor housing. Disconnect plugs.
