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Unread 05-16-2006, 07:32 PM   #1
Igofaster
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Join Date: May 2006
Posts: 19
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?

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91 jeep cherokee 4.0 2wd - soon to go to the paint shop!
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Unread 05-16-2006, 07:46 PM   #2
wizardPC
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1998 XJ Cherokee 
 
Join Date: Apr 2006
Location: Nolensville, Tennessee
Posts: 692
every car I've ever owned has done this. Move the temperature selector all the way to the cold side.
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Unread 05-16-2006, 08:56 PM   #3
markmca82
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Join Date: Mar 2006
Location: Alamosa, CO
Posts: 88
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
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[B][FONT="Arial Black"][SIZE="2"]Black 1989 Limited 4.0L XJ
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Pro Comp Xterain 31X10.50X15
Pro Comp 97 Series Rims
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Unread 05-16-2006, 09:12 PM   #4
Tree Frog
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Join Date: Mar 2006
Posts: 58
Your heater control valve is stuck open. Follow your heater hose to the block and you'll find it.
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Unread 05-17-2006, 12:22 PM   #5
PoPilot
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Join Date: May 2004
Location: Tulsa, Oklahoma
Posts: 126
x2.

Check to make sure the vacumm lines are still attached to it.
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Unread 05-17-2006, 02:51 PM   #6
Igofaster
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Join Date: May 2006
Posts: 19
So I should replace the heater control valve?
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91 jeep cherokee 4.0 2wd - soon to go to the paint shop!
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