1997 Ford F-150 AC Compressor Clicking and squeeling

Tiny
JJLUTHER
  • MEMBER
  • 1997 FORD F-150
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 145,000 MILES
AC Compressor Clicking and squeeling when on and off as well. I have to say that nothing even changed when I unplugged the compressor. It partially quiets a little here and there but it still blows Ice cold, just makes alot of noise out of the compressor.
Saturday, May 24th, 2008 AT 9:17 PM

2 Replies

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
Yeah, the bearings are probably shot, you'll have to have it replaced. Or try to shoot some pag oil in the system to see if that will quiet it down, if not, you'll have to replace it
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Saturday, May 24th, 2008 AT 9:28 PM
Tiny
MIKE H R
  • MECHANIC
  • 3,094 POSTS
Check and make sure it is the compressor, have seen pulley bearins going bad. Check the belt tensior pulley to make sure it is free turning and any other pulleys. You can take a small piece of rubber hose and place it on the a/c compressor and listen with the other end. If it sounds like a humm it may be all right. Also check the altinator for any grinding noises.
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Friday, September 22nd, 2017 AT 9:55 AM

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