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    chip2's Avatar
    chip2 Posts: 11, Reputation: 1
    New Member
     
    #1

    May 18, 2008, 01:53 PM
    A/C vacuum pump
    A few years back, the Volvo dealership converted the a/c in my wife's '91 740 to R134a. It has done fairly well from a cooling standpoint, but the compressor died. I have a new compressor and bought the newer style manifold/gages, but now the high side connection is wrong (same style as the old R12) and of course the new manifold gage set will not attach to my vacuum pump. I was always very successful with a/c work in the days of R12, so have the basic skills. What adapters are available to meet my needs?
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
    Cars & Trucks Expert
     
    #2

    May 19, 2008, 11:20 AM
    The appropriate adapters should be available where you buy your refrigerant.
    Make certain you replace all of the oil that came with the new compressor. I won't work with R-134a.
    chip2's Avatar
    chip2 Posts: 11, Reputation: 1
    New Member
     
    #3

    May 19, 2008, 02:03 PM
    Thanks, the comp came with the correct R134a oil

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