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  1. #1

    Default 1999 C/K Full-Size Pick Up 2500 4x4 A/C problems

    Yes last 3 years my A/C has worked wonderful but this year nothing blows hot air it sounds like clutch is cutting on but its not i have replaced the relay and the freon is good atleast presure is. can anyone help an old roofer.

  2. #2

    Default

    try and re-post here, you may get more replies
    http://www.gmtruckclub.com/forum/for...#axzz20KT4pvPq
    Tim Walters (Curky)

    Wrangler AT/S 265/70R17 - Trail-FX window vents - Husky fitted splash guards - Silver Star zXe - Leveling kit -

  3. #3

    Default

    Make sure that the pressure switch is good. A lot of times they will go bad and won't sense that the pressure is there so it won't put power to the clutch. If you have a reqular 2 pin connector to your clutch, unplug it and take 2 test leads to the clutch from the battery and it will turn your clutch on if its good and that will giuve yo the chance to see if your a/c is blowing cold air. If so its probably your pressure switch.
    1995 C1500 4.3L 2WD. JET TBI Spacer, JET stage 1 chip, 10mm Taylor custom wires, Pulstar Iridium Pulse Plugs.
    260k miles and still going strong...

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