Porsche 928 Problem Report

Porsche 928 AC System Erratic Due to Fautly Sensors, Actuators, or Control Assembly

(5 reports)

The AC climate control system can be erratic. Diagnoses of the interior sensors, actuators, and control assembly will  be necessary to determine the cause of any AC problems.

Related Items:
The hydraulic fluid for the clutch system may be overlooked; the fluid should be replaced regul...
Due to wear in the differential multi-disc clutch, the PSD (Porsche Slip Differential) locking...
Due to electrical interference from cell phones and secondary ignition faults, the vehicle's ce...
When changing speeds at random or while going over bumps, the interior fan speed can be erratic...
Erratic switches and controls can cause electrical problems.