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Cadillac Seville / Cadillac Eldorado Forum Discussion, A/C compressor help in Past Cadillac Vehicle Discussion; Originally Posted by s281er238 today when I put the gauge on the low pressure side it was back down to ...
  1. #16
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: A/C compressor help

    Quote Originally Posted by s281er238 View Post
    today when I put the gauge on the low pressure side it was back down to 170
    If you checked it with the engine off, you're wasting your time. If you checked it with the engine on, you have big problems because the low side should be about 35 psi. If, as Rod said, you are using one of those singe gauges that come attached to the freon can, you are also wasting you time.

  2. #17
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: A/C compressor help

    Quote Originally Posted by s281er238 View Post
    It's wasn't stop leak sorry it was just the freon. I thought I got the one with leak stop but it wasn't just basic 134 a. I filled it last week and today when I put the gauge on the low pressure side it was back down to 170 below the green when yo should of been at level I had it. When I turn on the ac the clutch kicks in and the low pressure live turns cold but no cold air. I thing either compressor is acting up or a leak. I used some soppy water and I saw some bubble when the two lines enter the fire wall but don't thing the cause would be there.
    -----------------------------
    I used some soppy water and I saw some bubble
    when the two lines enter the fire wall

    that is simply the result of running the blower motor -
    it means absolutely nothing -

    I agree with the others about the gauge set -
    that single can-top gauge is totally useless -
    and a total waste of your time - and ours -
    as far as diagnosing your problem -

  3. #18
    s281er238 is offline Cadillac Owners Fanatic
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    Re: A/C compressor help

    I'm gone get a good set of gauges. I haven't found ant leaks anywhere yet.

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