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Unread 08-05-2009, 12:26 PM   #1
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2004 WJ 
Join Date: Jun 2009
Location: Wisconsin
Posts: 1,027
Who Has Done Heater Treater

OK, got a blast of hot air while A/C was on today. 2004 Grand Cherokee Limited. Ran the test and show a code 54, blend door overtravel. Heat works but I figure it's on it's way out. I don't want to have it go totally in winter.

I am ordering the Heater Treater. They claim 100% success rate etc. Am I getting smoke? Has anyone done this and does it work? How easy/hard is it and can you screw the system up far worse so a dealer will charge more if you screw up?

Falkon is offline   Reply With Quote
Unread 08-05-2009, 01:23 PM   #2
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Join Date: Nov 2006
Location: Columbus
Posts: 1,546
I put mine in 2 years ago. Took 1 hour and fixed the issue for good.

I bought new OEM updated pars 2.5 years ago and installed them by removing the dash. I had code 56 within about 6 months.
cmonson is offline   Reply With Quote
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