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    jeremiah27's Avatar
    jeremiah27 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Sep 6, 2009, 02:41 PM
    2007 Dodge Ram a/C not keeping up
    Recently my truck's A/C began blowing warm air in 85 degree temperature. It improves when I drive it for a while, but it is definitely Not working as it had been for the last 2 years. I took it to the dealer and they said the refrigerant was fully charged; they said I needed to use the "recirculate-max air" setting. I have NEVER had to use that setting for anything other than to catch up after the (black) truck had beet in the sun for a while. The dealer doesn't seem to want to investigate further. I was wondering if anyone could provide suggestions for me to relate to the dealer's "expert" technician
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    Sep 6, 2009, 04:23 PM

    Find out what the low side and high side gauge pressures should be for your truck. Then, attach a manifold gauge set and perform the tests below:

    https://www.askmehelpdesk.com/cars-t...ml#post1864159

    Only then will you know where you stand.
    jeremiah27's Avatar
    jeremiah27 Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Sep 7, 2009, 06:09 AM

    Tex,

    Thanks for the advice. However, the tests are way above my own technical ability. Can you suggest what kind of (non-dealer) shop I should look for to go further than the dealer did?

    jeremiah27
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #4

    Sep 7, 2009, 06:53 AM

    Any shop that regularly does A/C work should easily be able to perform the tests. Get the low side and high side gauge pressures on your own for your specific truck.
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