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  1. brooklyn718

    brooklyn718 New Member

    first of all on a 1999 yukon gmc, where is the low side for refilling refrigant in the ac system. second if i have a leak , what is a good substance i can use. i want to say is the low cap that light green color on top.
    Last edited: Aug 27, 2008
  2. brooklyn718

    brooklyn718 New Member

    does any one know how to charge thier ac for thier trucks, all i need to know is what port i have to put the refrigant r134A in.
    Last edited: Sep 2, 2008
  3. brooklyn718

    brooklyn718 New Member

    can someone please help?

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