99 grand cherokee air conditioning prob

Discussion in 'General Motoring' started by jjpreston1, Jun 23, 2006.

  1. jjpreston1

    jjpreston1 Guest

    I have a 99 grand cherokee, auto transmission, everything pretty
    standard--anyway today the dash vents stopped putting out any air (hot
    or cold), the defrost vents on the top of the dash work fine, but the
    others don't. any ideas on the cause of this would be greatly
    appreciated
     
    jjpreston1, Jun 23, 2006
    #1
  2. jjpreston1

    Coasty Guest

    More than likely it is the air mixing damper and it has failed.
    Coasty
     
    Coasty, Jun 23, 2006
    #2
  3. jjpreston1

    philthy Guest

    if u have atc in that jeep then a scan of the atc fault codes would be the
    first order of bizz. that will give youi some direction on which way to go.
    also if it is a 4.0 litre engine check the vac supply to the hvac at the
    intake manifiold nipple to see if it fell off as they do on a regular basis
     
    philthy, Jun 24, 2006
    #3
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