Ac compressor whine
+ Reply to Thread
Results 1 to 2 of 2

This is a discussion on Ac compressor whine within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I just fixed my ac leak and charged up the system. Once the compressor kicked in I could hear a ...

  1. #1
    Registered User
    Join Date
    Dec 2011

    Ac compressor whine

    I just fixed my ac leak and charged up the system. Once the compressor kicked in I could hear a very loud squeal kind of like a belt. I replaced the idler pulley and tightened the belt well.

    The sound was still there. Upon a close look I found that the squeal is coming directly from the ac compressor clutch. I could ony hear the squeal if I have the ac on.

    The clutch (triangle) is really hard to turn by hand and gets stuck quite often.

    Could this be fixed or will a new compressor be necessary?

    Also if I do need to buy a new compressor will I need to recharge my system with r134a?


  2. Remove Advertisements

  3. #2
    He simply abides. SD_GR's Avatar
    Join Date
    Jul 2002
    CA, US
    I Support ClubWRX
    Whenever the system is open to atmosphere, you need to pull a vacuum. This will do two things -- allow you to see that there are no further leaks and remove any atmosphere (and associated moisture etc.) from inside the system. Did you do this?

    If your belt is not an authentic Subaru I'd also suspect that.

    Your last question made me pause for a bit frankly; if you replace the compressor not only will you need to of course recharge the system but also make sure you have the correct type and amount of oil in there (right?).
    WRX Info Links, Courtesy TheJ
    Man is a brute.... If you're cruel to him, he respects and fears you. If you're kind to him, he plucks your eyes out. Alexis Zorbas
    I am at the moment writing a lengthy indictment against our century. When my brain begins to reel from my literary labors, I make an occasional cheese dip. Ignatius J. Reilly
    DISCLAIMER: Opinions expressed are the author's alone and are inherently worthless.

+ Reply to Thread

Quick Reply Quick Reply

Register Now

Please enter the name by which you would like to log-in and be known on this site.

Please enter a password for your user account. Note that passwords are case-sensitive.

Please enter a valid email address for yourself. We strongly suggest that you stay away from using aol, yahoo, msn, and hotmail accounts. Sometimes the mail server blocks the emails from our server. As a result you will not receive any notifications including the confirmation email.

Please select your insurance company (Optional)


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Posting Permissions

  • You may post new threads
  • You may post replies
  • You may not post attachments
  • You may not edit your posts