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99 xj heat issue.... hot/cold doesnt work

imajeep2

NAXJA Forum User
Location
Bangor, ME
the heat/cold dial stopped working,,,,,


only blows cold....

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

HELP!!!
 
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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