Question about 2003 Jeep Grand Cherokee
I've got the same problem - from the research I think it is the blend doors - I see a lot of comments about the heater fixer thing on ebay - I'm not knocking it because I've never tried it - however, RockAuto.com have a new replacement for 70 bucks. I think that's the lowest I've seen so far, even on ebay its over a 100. Thanks - I'll probably order a new one and replace it some time soon and I'll post another comment. Good luck - also having issues with the camshaft and cranshaft postion sensor OBCD code, door lock gears are grinding and had the oil sending unit replaced not to long ago. Irritating.
Posted on Dec 11, 2008
Blend doors broken, check ebay for heater treater repair. it really works
Posted on Oct 19, 2008
See my post for wahoojones 04 grand cherokee with same problem, most likely broken blend door in heater housing. Check out the other post for other possibilities though.
Posted on Oct 18, 2008
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