Heater stuck on ? - JeepForum.com

 
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post #1 of 6 Old 05-16-2006, 06:32 PM Thread Starter
Igofaster
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Join Date: May 2006
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Heater stuck on ?

I can feel heat when I am driving the jeep. The heater is in the off position, and its not blowing heat, Just seeping out. What could be wrong?


91 jeep cherokee 4.0 2wd - soon to go to the paint shop!
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post #2 of 6 Old 05-16-2006, 06:46 PM
wizardPC
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every car I've ever owned has done this. Move the temperature selector all the way to the cold side.
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post #3 of 6 Old 05-16-2006, 07:56 PM
markmca82
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Location: Alamosa, CO
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Mine does the same thing (It gets close to 85-90° inside when it is 60-65° outside). Not sure what is causing it but I'm am going to look into it this weekend or next. If I figure it out I will let you know.

Mark

Black 1989 Limited 4.0L XJ
Rough Country 3" AAL
Pro Comp Xterain 31X10.50X15
Pro Comp 97 Series Rims
"Martinez" Edition
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post #4 of 6 Old 05-16-2006, 08:12 PM
Tree Frog
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Your heater control valve is stuck open. Follow your heater hose to the block and you'll find it.
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post #5 of 6 Old 05-17-2006, 11:22 AM
PoPilot
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x2.

Check to make sure the vacumm lines are still attached to it.
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post #6 of 6 Old 05-17-2006, 01:51 PM Thread Starter
Igofaster
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So I should replace the heater control valve?

91 jeep cherokee 4.0 2wd - soon to go to the paint shop!
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