Questions on AC low pressure port and missing cap

Discussion in 'General Motoring' started by ECLiPSE 2002, Jun 21, 2010.

  1. ECLiPSE 2002

    ECLiPSE 2002 Guest

    I discovered that the cap on the low pressure port of my 2004 T&C van
    was missing and wonder if this has caused any problems. Is its purpose
    merely a dust cap (if so would any tight fitting cap suffice) or does
    it have other purposes?

    Next problem is where to find a replacement without being raped by the
    dealer. Anyone know where I might locate one?

    Frank
     
    ECLiPSE 2002, Jun 21, 2010
    #1
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  2. ECLiPSE 2002

    KirkM Guest

    I would try a salvage yard. One from another year and/or model would
    probably fit.

    Everytime I have my A/C serviced, I always check for these before
    leaving the shop. Very few take the time to put them back after the
    work.

    KM
     
    KirkM, Jun 22, 2010
    #2
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  3. ECLiPSE 2002

    ECLiPSE 2002 Guest

    Thanks for the response - will try a salvage yard. Still not sure if
    the cap serves any other purpose than to keep moisture and dirt out of
    the port.

    Frank
     
    ECLiPSE 2002, Jun 23, 2010
    #3
  4. ECLiPSE 2002

    rob Guest

    as long as the actual valve is still in the center of the port. that's what
    holds everything in . the cap works like a valve stem cap on your tire.
    keeps dirt out etc.
     
    rob, Jun 23, 2010
    #4
  5. Besides keeping dirt out it should have an o-ring in it and it's a
    second seal to prevent freon from leaking out if the schreader valve
    leaks a little. Usually if there is a leak you'll see oil. If you
    run by an AC repair shop they may have a cap laying around they would
    give you.
     
    Ashton Crusher, Jun 24, 2010
    #5
  6. ECLiPSE 2002

    ECLiPSE 2002 Guest

    Thanks to Rob and Ashton for their input.

    Frank
     
    ECLiPSE 2002, Jun 26, 2010
    #6
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