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Old October 1st, 2008, 19:51
imajeep2 imajeep2 is offline
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Join Date: Sep 2008
Location: Bangor, ME
Posts: 9
99 xj heat issue.... hot/cold doesnt work

the heat/cold dial stopped working,,,,,

only blows cold....

i dont mind it being stuck... just need it to blow hot when on.

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Old October 5th, 2008, 14:44
XjRomper's Avatar
XjRomper XjRomper is offline
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Join Date: Feb 2008
Location: So. California
Posts: 20
Re: 99 xj heat issue.... hot/cold doesnt work

hey buddy. im kind of going through a similar situation and just ripped apart my dash. did not help me one bit but i might have some good info for you! if you look under the dash on the passenger side you will see this little motor housing with some wires coming out of it(close to the center console). this thing should move when you turn the temp dial. that part of the HVAC system is controlled electronically. if your vents arent changing from defrost to floor or dash then you have a vacumm leak. this part of the HVAC system is powered by intake vacumm. I hope for your sake that your not in my situation and have to take everything out to replace the heeater core. hope this info was useful.
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