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gmc 2500hd

Discussion in 'Truck & Equipment Repair' started by LTKJDAD, Sep 28, 2009.


    LTKJDAD Junior Member
    Messages: 10

    with a/c or cold vent on the drivers side will occasionally blow warm or hot air ,once the truck is turned off and restarted it will blow cold...this may last 20 min or 3 weeks. also any reviews of westerns backdrag cutting edge,any input is welcome thanks in advance
  2. mountain metal

    mountain metal Junior Member
    Messages: 1

    Did you recently change your coolant? If so you may have to burb the system.
  3. ss502gmc

    ss502gmc Senior Member
    Messages: 473

    Do you have dual climate control?

    LTKJDAD Junior Member
    Messages: 10

    no fluid change,has duel climate control