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#1
10-23-2004, 10:46 AM
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I have a slight problem....
I have a slight problem....
Whenever I turn on my air conditioner, my truck (1988 C1500 5.7) starts to overheat slowly. After I turn it off, it cools down, but slowly. Can this be a sign of early compressor failure, or is it just the air condition compressor clutch, or do I need oil in the cooling system. I hear a low knocking sound coming from the compressor, but I am not sure if that is a problem. I took off the drive belt and engaged the clutch and found that the compressor was kinda hard to turn with it engaged. Can I solve this problem by just replacing the clutch?, I dont wanna evacuate the refrigerant. My guess is that when engaged the compressor slows the drive belt and slows the waterpump. Not sure if tis is right. Thanks... Matthew 
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#2
10-23-2004, 06:33 PM
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No your engine has to work harder to maintain the same RPM's. The belt speed is directly proportional to engine speed. As far as the A/C system, I don't know much about that, I never used mine,R12 makes me sneez continuosly until turned off.
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