Where is the a/c low pressure valve on a 1990 Seville?
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HT4100 4.1, 4.5, 4.9 Discussion, Where is the a/c low pressure valve on a 1990 Seville? in Cadillac Engine Technical Discussion; Hello, I can't find the a/c's low pressure valve normally located on the a/c's can. My car is a Seville ...
  1. #1
    Bigjack21000 is offline Cadillac Owners Member
    Automobile(s): Seville 1988 and 1990
    Join Date
    Oct 2010
    Age
    42
    Posts
    13

    Unhappy Where is the a/c low pressure valve on a 1990 Seville?

    Hello,
    I can't find the a/c's low pressure valve normally located on the a/c's can. My car is a Seville 1990 4.5.
    If you can answer me precisely, please send some photos for its location! It would be really kind.

    Thank you!

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  3. #2
    Wendy-J is offline Cadillac Owners Member
    Automobile(s): 1993 Cadillac Sedan DeVille
    Join Date
    Jul 2011
    Location
    Somewhere in the ether
    Posts
    53

    Re: Where is the a/c low pressure valve on a 1990 Seville?

    Haven't a clue. My '93 has both valves staring me in the face every time I lift the hood. They're right there, along the wheel well over the serpentine belt. My only advice would be to follow your lines from the compressor, evaporator and collector. Sorry.

    Wendy.

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