Question about 1992 Cadillac DeVille

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Compressor bearing making noise do I need to replace immeditally best and cheapest place to get replacement part

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I would definitely not ignore it! If it siezes it will destroy your serpentine belt and you will lose power steering, alternator, water pump ect. Cheapest replacement would be a auto recycler (junkyard). You will have to get the a/c system evacuated to disconect the hoses from the compressor. I would replace as a whole unit (compressor and clutch) at this time... its much easier than replacing just the clutch and pully. Once you have it replaced go back to the shop and have them recharge your a/c system. In the meantime if its a emergency or if funds are not available yet you could take a piece of twine and loop it around all your pullies in the correct order but bypass the a/c and then mark the twine where they meet, remove the twine and measure from the end to the mark you made.. this gives you the belt length. You could then go to napa or some place like that and get a belt in that length that has the same number of ribs as your old one. Ypu would then swap belts. This would keep everything else functional without the a/c. Or the risk of it siezing and stranding you somewhere I have done this before on a jeep that blew a power steering pump out In the middle of nowhere. As long as all the pullies all turn in their proper direction and the belt has proper tension there should be no issues.

Posted on Mar 14, 2011

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I'd check Rock Auto on the internet as far as getting the right part at a good price.

Posted on Mar 14, 2011

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If your compressor clutch bearing is good, then disconnecting the compressor is a viable idea. The internal parts of the compressor are turned by the shaft and if the shaft is not turning, everything will be fine. But if the compressor clutch bearing is the part making noise (the part in front which clicks on and off) it will still turn and eventually seize.

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