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    EmJay's Avatar
    EmJay Posts: 37, Reputation: 2
    Junior Member
    		  
    #1

    May 19, 2007, 05:09 PM
    '88 GMC AC pulley removal
    My buddy has a 88 GMC pick-up truck and his AC pulley seized up. Any help on pulling this out?
    hvacservicetech_07's Avatar
    hvacservicetech_07 Posts: 1,083, Reputation: 75
    Ultra Member
    		  
    #2

    May 19, 2007, 05:14 PM
    Sounds like the compressor may be locked, are you pretty good with cars? If so it's not too bad to replace. It is sometimes cheaper and easier just to find a used compressor from a junkyard and replace it.
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
    Uber Member
    		  
    #3

    May 19, 2007, 07:09 PM
    With pulley attached, and pressure applied, Pb blaster penetrant, Tap end of shaft, apply
    More prssure, repeat. Heat, apply more pressure, Tap end of shaft. Should be off by now.
    Sure was easy to write this.
    hvacservicetech_07's Avatar
    hvacservicetech_07 Posts: 1,083, Reputation: 75
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    #4

    May 19, 2007, 07:39 PM
    I think you're a little off there stratmando.
    EmJay's Avatar
    EmJay Posts: 37, Reputation: 2
    Junior Member
    		  
    #5

    May 19, 2007, 07:46 PM
    Quote Originally Posted by hvacservicetech_07
    I think your a little off there stratmando.
    Isn't the compressor full of freon, and how would I go about releasing the pressure?
    hvacservicetech_07's Avatar
    hvacservicetech_07 Posts: 1,083, Reputation: 75
    Ultra Member
    		  
    #6

    May 19, 2007, 08:00 PM
    I'm supposed to tell you that it has to be recovered by a EPA certified technician. But you get it however you need to, I noticed someone else gave you advice on how to remove the pulley, it won't work, the problem is with the clutches on the compressor and it requires a special tool to get it out, like I posted earlier just find a used compressor. After you replace the compressor just convert the system to 134a
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
    Uber Member
    		  
    #7

    May 20, 2007, 07:27 AM
    If you are replacing compressor, why pull the pulley? Hvac may be able to tell you if pully
    Is included. I was giving info for pulley w/ Key. I WAS off. Thanks for not giving me a red mark.
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