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Discussion Starter · #1 ·
Hello Forum from USA, Virginia
Happy New Year
My 2004 Saab 9-5 Aero AC doesn't work. The .AC clutch will only engage when I use a jumper to bypass the Acc bosch relay under the hood but the condenser
fans do not run while i jump it in.I have no codes on the climate control diag
 

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Have you put a gauge on it to see if you have enough R134 in the system? There's a pressure switch somewhere that knows when you're out of refrigerant and won't turn the system on.
 
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