Question about 2004 Jeep Grand Cherokee

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Passanger side heater blows cold while driver side is hot

On my dual zone heater the driver side control works fine but the passanger side is blowing cold air.

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  • madi_cakes Jan 31, 2009

    I had the same problem initially too, now my heat and ac don't work at all, with no air blowing out.

  • Anonymous Feb 06, 2009

    I have the same problem as u guys do it started with one side not working and and both sides not working. now all i have is cold air coming out

  • Anonymous May 11, 2009

    My 2004 limited Cherokee was doing the same thing when i bought it. Driver side had heat and passenger did not, now i have no heat at all!!!

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  • Jeep Master
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U will need to replace the pass side air temp control blend door acuator motor.

Posted on Feb 15, 2009

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1 Answer

I HAVE NO DRIVERSIDE HEAT


The actuator that 'blends' cold with hot is stuck in the cold position. There are a couple of options. Disconnect the battery, then drive the vehicle around without using the AC for 10 min, if the AC is defaulted to come on after a battery interuption, then shut the car down then turn it on again. You are trying to get the electronic actuator to reset and resume proper function. Another option is to try this: Start the car, adjust the pax side full hot, drivers full cold, wait 30 sec then shut car down, then start car back up and reverse the settings, pax full cold, drivers full hot. In both solutions, the vent actuators are stuck at either the full open or full closed, so you are trying to get it to 'self check' and allow them to resume proper function. After two years, I simply removed them altogether since I live where it is hot an only need cold.works just fine....

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Heater issue, driver side of 2004 Chevy Avalanche


1. Place the ignition switch in the off position.
2. Remove the HVAC/ECAS fuse for 10 seconds or more. It's in the under hood fuse box. Put the temp in full cold.
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i've been down here too myself, and discovered that the temp control motor, located in the bottom of the glove box, which you can access by clearing all your stuff in in and opening a small door.
you can adjust it manually, and see if it changes, if yes, the switch can be defective, as well as the motor, the switch is the most likely problem.
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Phil
grandmotors.ca

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1 Answer

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its likley to be the pipe has been riped off or fell off or its the flaps on the heater box its self not opening,,,have a look under the dash to fine any pipes that are off the heater box,,
anyhow, who cears if the passanger gets cold,,, its the driver who needs to keep warm!!!!
unless its the other half? or worse still its the mother in law!!!! ho ho ho!

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either the heater rad is chocked up and its not hot all over,or its a flap opening problem

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My heater works on my side,blows cold on passanger please help


have you checked the coolant level on the car to make sure its full?

Jan 21, 2009 | 2004 Jeep Grand Cherokee

2 Answers

Heat blows out cold on passanger side but fine on drivers side 2003 jeep grand cherrokee


Well lucky you i just fixed one of these jeeps at work. I take it that there is dual zone control one the jeep. First off its a 6 hour job you have to remove the entire dash and heater control unit. On the back side of the heater control housing there is a small motor that controls a heat blend door i found the motor to be ok but the door was broken. if you go to you're dealer they have a new updated door and a few other pieces you have to put in also. Also if they check the computer codes there will be a few codes im sure . I woul dleave this one up to the pro's but if you wana try it let me know.

Jan 11, 2009 | 1999 Jeep Grand Cherokee

1 Answer

Driver side blows cold passanger hot


Same problem as mine has. I just found out that it could be the LH Electric actuator, located under the driver side dash, just about straight behind the radio. I got mine in order so i do not knoe if that is the solution yet. just athought for ya.sounds like this should fix it though.

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1 Answer

Heater problem on 1995 Olda Aurora


Check the passenger side mode door actuator. This is located under the dash on the passenger side. Once you find it watch the rod as you move the temp lever from hot to cold to see if it moves. If it does make sure that the rod is hooked to the door. If it doesn't the actuator is probably bad or the door is jammed.

Nov 24, 2008 | 1995 Oldsmobile 88

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