Question about 1996 Chevrolet Corsica

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Air conditioner compressor

I just recharged the air conditioner. Now the compressor clutch is making bad scraping sounds and leaving metal shavings when heater control is on, or when A/C is turned off. It works fine when the A/C is on. I'm afraid the compressor clutch needs to be replaced, but I can't figure out how to remove the compressor. I can't even figure out how to remove the splash shield. Taking it to a shop is not an option.

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  • 72shovel Jul 19, 2008

    I installed another compressor, and everything was quiet for a while. But now when I turn off the A/C or turn the heater on, it's making noise again. Luckily, it's not leaving any steel shavings this time. I'll have to figure this out before winter.

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I am sorry your having problems with your compressor, If you replaced your compressor and you still have noise something is askew. Did you add oil? whenever you replace a a/c component you must add a specific type and quanitity of oil for that component. Also, in order to maintain a warranty for the new compressor one must replace the filter drier and maybe the metering device. Did you pull a vaccuum to remove moisture in the system? The reason you say it makes noise on the heat side is because when the selector is on defrost the compressor drops in and out to dehumidfy the air in the cab so the windows don't fog up. This is not a solution but gives one an idea what potential could be happening in the system.

Posted on Jul 05, 2009

Buy a a/c bypass pulley.you'll won't have a/c no more though unless u buy a new compressor

Posted on Jul 19, 2008

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checkmark.gif Start with the compressor. Does it engage when you turn on the A/C?
If so, the compressor is working and the A/C system probably contains enough refrigerant to make cold air, so the problem is inside the HVAC unit. Replace the motor that controls the blend air door (this is a difficult job and best left to a professional since it involves tearing apart the HVAC unit -- about an 8 to 10 hour job!).
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There are 4 main issues to the AC on a car (not including wiring or more advanced troubleshooting)

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