Just a bit more information regarding this fault. I had the air con regassed today and although the temperature in the cab does now get lower than before, the valve still does not move. Can someone confirm that when you turn the ignition on, the control valve should rotate (even before starting the engine)? Nothing happens on mine at all. With the engine running, the valve still does not move regardless of what temperature is set on the control unit in the cab.
I am going to try changing the air con ECU with a new unit in case this is the fault. Silly question, but can someone tell me where it is located in the car?!
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