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Heat comes out driverside/cool air comes out the passenger side?

I turn on my heat in my 2001 jeep grand cherokee limted 4.7 and heat only comes out on the driver side and cool air on the passenger side, i just put on a new blower resistor because it did'nt work at all, not i have this hot and cool problem to deal with. Is there some way i can fix this problem myself????? PLEASE HELP! Thank you....P.S. Could it be that the vents are not closing, and if so how can i fix this myself?

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It sounds like your blend doors are broken. As it turns out, this is a VERY common problem with grand cherokees. My father and I fixed this problem on my 2001 Jeep Grand Cherokee Limited 4.7 about 2 months ago using a product called Heater Treater, found here: http://www.heatertreater.net/

You can find a very helpful detailed write-up of the fix/installation here: http://www.jeepsunlimited.com/forums/showthread.php?t=854246

Trust me, this REALLY works and a lot of Jeep Grand Cherokee owners, including myself, have done this. YOU WON'T HAVE TO REMOVE YOUR DASHBOARD, as the repair is done by simply removing your glove box. The downside is that you will lose Dual Climate Control, as the driver side thermostat will now control both sides. For me, it was worth it. Only spending about $150 for a Do-It-Yourself solution, versus spending about $1000 to have a mechanic remove my dashboard to fix it.

Good luck!

Posted on Jan 17, 2009

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I agree with the above post i fixed it myself in about an hour its a great product

Posted on Dec 03, 2009

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