Question about 1998 Cadillac DeVille

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How eliminate the compressor to put new belt because have a bad noise

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You can't as you have a serpentine belt; find the noise and, get it fixed.
It's usually the AC compressor clutch bearing.

Posted on Jul 14, 2010

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Posted on Jan 02, 2017

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When I turn on the air conditioning it squeeks very loud. I just put in new belts. A friend said the tension is goon. How do I know if the compressor is bad


  • I would start with a can or brake clean and spray some of that on your belt as it is turning and see if there is some dirt on the belt making it squeal.
  • It can be a week tensioner. You can look with a flashlight as the belt is turning to see if you see the tension pulley is popping up and loosing tension.
  • While there with the flashlight make sure the belt is running strait.
  • A couple ways to know if the compressor is bad. First you will hear it squeal real bad or grind real bad ans you run the AC. This is an indicator of the bearings gone bad. You can also remove the belt and just give the compressor pulley a few spins. It should spin free with no hang ups or noises.
  • I would suggest that while the belt is off you spin all the pulleys to see if they spin free without any noises. Naturally the crank won't spin by hand but all the others should.
  • Also keep in mind that on rare occasions even a new belt can be bad and another new one will be needed.

  • Hope this helps and thank you for using FixYa.

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Serpentine belt routing for 2001 ford taurus


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here's 2002 3.0L 2 valve


snorkelbobby_12.gif
Item Part Number Description 1 10346 Generator pulley 2 8678 Belt idler pulley 3 3A733 Power steering pump pulley 4 8620 Drive belt 5 2E884 A/C clutch pulley 6 6B209 Drive belt tensioner pulley 7 6312 Crankshaft pulley 8 8509 Water pump pulley


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snorkelbobby_13.gif
Item Part Number Description 1 3A733 Power steering pump pulley 2 8620 Drive belt 3 2E884 A/C clutch pulley 4 6316 Crankshaft pulley 5 6B209 Drive belt tensioner pulley 6 10344 Generator pulley

water pump 4 valve


snorkelbobby_14.gif
Item Part Number Description 1 6A359 Camshaft drive pulley 2 8K543 Drive belt 3 8509 Water pump pulley 4 8W508 Drive belt tensioner pulley

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Howl or whine noise inside after the a/c compressor lines replace


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2003 Tahoe (5.3). AC belt/tensioner/compressor (Chatters)


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1 Answer

My serpintine belt started making a loud screeching noise, and eventually slipped off. I got it put back on but its still making a screeching noise. All of this started after i got the AC compressor fixed....


One of the belt pulleys likely has a bad bearing. watch the pulleys for binding while it's running or remove the belt and check each pulley by hand. AC puts more strain on the belt...if the belt is not new and pulleys check out, (and tensioner is working properly) change the belt.

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Very bad noise from frontof air compressor


You probably have bad bearings in the A/C clutch pulley. Remove the drive belt and spin the pulley for noise and shake it around for play. Any noise or play and you need a new clutch. Also see if the front hub on the compressor turns easy. If not, then the noise could be the compressor locking up. Reman compressor might be the least expensive route.

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