Question about 2001 Jeep Grand Cherokee

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01 jeep grand cherokee heater works on driver side blows cold on passenger side

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You have 2 posibilities.there are 2 motors on the heater box that run the blend doors for each side.That side motor may be bad or worst case the blend door arm that connects to the motor is broken.If it is broken the whole dash has to be removed so the heater box can be taken out to replace the blend doors.Big job,do a heater core while your there if you fix it so you dont have to do it again.

Posted on Mar 09, 2009

  • jeepnightmar Jan 22, 2011

    Test

  • jeepnightmar Jan 22, 2011

    hi there mate am i right in thinking from what your saying there are 2 sets of BLEND DOORS each with seperate motors then !! as opposed to just the one Actuator motor running the blend doors on the passenger side!!? I can get easily to the Actuator motor on the passenger side via the glove box but if there is another one on the passenger side Im guessing thats when the whole dash comes out !! is that right ??

    The problem im having with this BLOODY CAR is there is little or no air coming through the cabin or the window vents however i can get access to the autuator motor on the passenger side and move the blend dorrs manually using my hand to turn the nob , when I do that all that happens is

    Turning it to the right = more pressure coming through but Very cold

    Turning It to the left = Less pressure but now it goes warm

    Any ideas please help

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