A/C not working...ideas? - Pontiac GTO Forum
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post #1 of 4 (permalink) Old 07-01-2013, 12:49 AM Thread Starter
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A/C not working...ideas?

Hey guys. Just picked up my 05 M6 6.0 two weeks ago. A/C was working fine when I bought it, then one day just stopped. The light on the A/C button illuminates, but you can't hear the clutch engaging or the engine loading. Nor does it blow cold air. Replaced the relay just to make sure and it didn't fix it. No noise coming from the compressor...dealer is giving me the runaround too.

Any ideas?
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post #2 of 4 (permalink) Old 07-01-2013, 02:06 AM
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When I bought mine last year, it blew cold but didn't shortly afterwards. Took it to the dealership last week and they replaced the compressor and valve and it works now. Just an fyi.

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post #3 of 4 (permalink) Old 07-01-2013, 09:43 AM
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Does the compressor clutch engage? Pop a gauge on it and see if you have refrigerant pressure. The clutch is pressure actuated.

2004 Blk/Rd M6
6.3 litre LS1

Built and tuned by svede
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post #4 of 4 (permalink) Old 07-01-2013, 02:19 PM
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Check the fuse?
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