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cwalkerjr21, Mechanic
Category: Cadillac
Satisfied Customers: 709
Experience:  Shop training and hands on experience.
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The a/c clutch won't stay engaged in idle, seems to run when

Customer Question

the a/c clutch won't stay engaged in idle, seems to run when the car is rolling? Any ideas, engine light is on so going to check codes later
Submitted: 4 months ago.
Category: Cadillac
Expert:  cwalkerjr21 replied 4 months ago.

This can be a few different things. We will want to get the codes pulled as it could be part of the problem whatever is setting the codes. But most of the times I find the issue to be a unsteady idle because of possible tune up needed or vacuum leak. I also know if the pressure drops or goes about the range it will kick out. 45 is really getting up there could actually be overcharged. Normally they should be around 35-40 range. I have attached a image showing the things that will kick out the compressor.

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