A/C Clutch Not Staying on

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A/C Clutch Not Staying on

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Cadillac Forum >> Cadillac Models >> Cadillac STS >> A/C Clutch Not Staying on

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A/C Clutch Not Staying on - 5/13/2007 5:15:44 PM

spinj

Posts: 6
Joined: 1/8/2007
Status: offline

1995 STS. My STS AC system is at 40 PSI according to the guages hooked up to the low and hi sides. The Clutch will kick on and the compressor sounds fine while running. However, The Clutch will only stay engaged and running for 3-4 seconds and take approx 30 seconds between these cycles. The compressor is not staying on long enough to pump freon and cool the car. Any Ideas would be fine... Thanks a lot....

Post #: 1

RE: A/C Clutch Not Staying on - 5/13/2007 6:22:06 PM

FLCaddytech

Posts: 507
Joined: 6/22/2006
Status: offline

Your car is low on freon.

System pressure with the engine off should be very close to ambient temp.

With the engine running and compressor engaged the low side should be around 40psi and the high side should be in the low to mid 200's.

(in reply to spinj)

Post #: 2

RE: A/C Clutch Not Staying on - 5/16/2007 12:50:07 PM

ezgoin_1

Posts: 3
Joined: 5/16/2007
Status: offline

I had the same problem, found out mine was the wire connector to the compressor.

(in reply to spinj)

Post #: 3