AC compressor Question, clicking sound under the hood - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-02-2007, 08:00 PM   #1
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Default AC compressor Question, clicking sound under the hood

when the car is running, under the hood, I find this piece of round cover sometime turn with the wheel under it, sometime stop, and I can hear clicking sound when it change from turn to stop or stop to turn.

Please tell what'* the problem, how can I fix it, Thank a lot

As the experts below pointed out, it'* the AC compressor and It'* normal for it to turn on and off. Thanks again.

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Old 10-02-2007, 08:40 PM   #2
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That looks like your A/C compressor. The A/C clutch is supppose to turn on and off when either the A/C or defrost is on.
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Old 10-02-2007, 08:40 PM   #3
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That isn't the starter. The starter has no belt.

That is your AC compressor, and it'* normal to click on and off as the compressor needs to cycle to maintain temperature in the car.
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Old 10-03-2007, 08:31 AM   #4
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If you turn off the AC, that will stop engaging the compressor.
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Old 10-03-2007, 09:54 AM   #5
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FYI, the topic title did say Starter before it was edited it. Just so you all don't think I"m senile.

That is normal operation. Ignore it.
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