Tech / General EngineIs your car making a strange sound or won't start? Thinking of adding power with a new combination? Need other technical information or engine specific advice? Don't see another board for your problem? Post it here!
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I just bought a 91 Camaro RS with the 305 TBI. When I switch on the air conditioner a rattling noise comes from the compressor when the car is idling. The air conditioning seems to work ok but I am wondering if this rattle is common and what it might be. Thanks!
Make sure all the bolts holding the compressor to the bracket are tight. Mine used to do that because one of the mounting bolts was loose, and the whole thing would rattle.
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Thanks for the suggestion about the mounting bolts. Could be that (cross my fingers). I found a couple loose bolts in other areas of the engine compartment.
Main shaft bearing is going bad. If it starts squealing stop using the compressor or you're asking for a seizure followed by "black death" and a real mess.
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