A/C Compressor screaming - Ford Powerstroke Diesel Forum
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Old 01-24-2008, 06:02 PM
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A/C Compressor screaming

Problem: Loud squealing noise coming from area around A/C compressor. Compressor still functions just fine and the clutch is engaging/disengaging as I'm assuming it should.

Background: Factory stock 7.3 with 138K in '01 F-250. Problem manifested immediately after dealership R&R'ed water pump and installed new serpentine belt. (NOT blaming dealer mechanic!) Less than 200 miles driven after squeal started.

Questions:
  • Should I suspect the compressor clutch bearing and if so how difficult is it to remove faulty bearing and press in new one? (Pretty mechanically inclined but any tips/hints would be appreciated)
  • Is it possible that the idler pulleys for the tensioner could be at fault?

Thanks for any help anyone can provide as well as your time.
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Old 01-25-2008, 04:55 PM
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Well it wasn't the compressor clutch bearing or any of the idler pulleys... The squeal still seems to be coming from around the A/C compressor, can someone tell me if the compressor will make this type of noise when they go bad? I've never heard of an A/C compressor going bad with only 130K on it but I'm not sure what else to do. Does anyone know where the best (cheapest) place to get a reman compressor is?

Thanks for any help or info you can provide!
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Old 01-25-2008, 06:50 PM
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wow. mine is doing the same thing after a new belt. i am going to keep an eye on this thread.... good luck to you.
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Old 07-27-2013, 01:20 PM
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anyone find an answer to this? mine just started screaming after the water pump install.
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Old 07-27-2013, 02:12 PM
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Spin the pulleys, they should be pretty dang free.
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