Question about 2005 Jeep Grand Cherokee

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I think that my 2005 Jeep Cherokee has its blend door stuck open. Because 1.5 years ago I had to replace because it was stuck on heater on blowing heat, now this year I didn't have AC for whole summer becuase on blew hot air, my daughter drove vehicle and hit bump now stuck on AC and only blowing cold air. How can I fix this?

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  • hazeleyes003 Oct 16, 2010

    i took off the glove box and trim underneath and can see the motor, but i take it the air box it os located behind the dash.

  • hazeleyes003 Oct 16, 2010

    is there site to go to to do step by step dimantle of dash to get to air box to look at blend door, i dont want to have to pay 750 dollars again like 1.5 yrs ago for same problem

  • hazeleyes003 Oct 16, 2010

    thank you for you help. Is there a site I can go to to get step by step instructions to disassemble dash to get to blend door so I dont have to pay 750 again

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You need to dismantle the dash to access the air box and find out why the control flap jams. If necessary you will have to replace the entire box.

Posted on Oct 16, 2010

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Heater blower is working but only blows cold air 2001 Grand Cherokee Jeep Limited 3.1d


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This is a common problem with WJ Grand Cherokees, it's called a "Blend Door".

In the heating and cooling system you have doors that open and close to give you warm and cold air and a mix of both.

What you have is an arm that pulls a door with peg on top, the peg tends to snap off. As you said your dealer replaced the blend door or doors I would take it back as is has blend door all over it.

Yahoo and youtube "jeep grand cherokee blend door repair"

I had a 02 limited blend doors issues (note the issueS) and was lucky to have it still covered.

I do hope this helped.


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One or more of:

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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.

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