strange heat issue....
11-09-2011, 07:56 PM
#1
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Location: Iowa
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Year: 2000
Model: Cherokee
Engine: 4.0
strange heat issue....
I have searched but not found anyone with the problem i am having in my MJ.....
It blows HOT heat out of the defrost anytime. But when you switch it to vent or floor heat, it only blows luke warm air. Also, when i'm on the gas, it starts blowing out the defrost regardless of what i have the controls set on. getting cold here.....would like to figure this out!
It seems like more than a vacuum leak to me. Any ideas?
It blows HOT heat out of the defrost anytime. But when you switch it to vent or floor heat, it only blows luke warm air. Also, when i'm on the gas, it starts blowing out the defrost regardless of what i have the controls set on. getting cold here.....would like to figure this out!
It seems like more than a vacuum leak to me. Any ideas?
11-09-2011, 09:12 PM
#3
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Join Date: Jan 2011
Location: Las Vegas Nevada
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Year: 1990
Model: Cherokee
Engine: 4.0
strange heat issue
sounds like your blend door is not working. could be a bad vacum line at the vacum resavor bottle. my jeep had a crack in the tank got a news one from the junk yard 5 bucks. it is in the front bumper passenger side on my jeep
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