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Unread 02-15-2007, 11:29 AM   #1
rnuover
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2000 WJ 
 
Join Date: Feb 2006
Location: Marietta,Ga
Posts: 112
Heater Problem

When i turn on my heat it does not come out on the floor only a little cold air blows out. I have coolant in my radiator so the heater core has to be getting coolant. Can you guys please give some ideas on what might be the problem.

Thanks.

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2000 WJ stock

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1992 Jeep Cherokee, 4.5in Rough Country lift, Bushwacker Fender Flares, Homemade Bumpers Front and Rear, 33x12.50 TSL's, Flowmaster 40 Series Muffler.
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Unread 02-15-2007, 03:52 PM   #2
JohnnyBling
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Join Date: Dec 2006
Location: Nanjemoy, MD
Posts: 410
If you have chosen the appropriate control settings, your problems could stem from loss of vacuum, busted/malfunctioning blend doors or it could be mechanical- say broken linkage, levers etc.... You are gonna have to explore a little and provide some more info to get better response, IMHO.
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Unread 02-15-2007, 06:07 PM   #3
XJING
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Join Date: May 2003
Location: Westcoast Florida
Posts: 512
I think you have two issues going on. One is vacuum related, you aren't getting vacuum to change from floor to vent if I understand your post correctly. Try looking under your front bumper on the right hand side, there is a vacuum ball there make sure its not cracked and the lines are on it are not deteriated, follow the lines to make sure thy have no cuts in them, usually the culprits are under the battery box cus acid has spilled on the vacuum line. but check the lines, this will take care of that issue,
On the second one of haveing no heat, I think you need to flush out your heater core, here is a write up;
good luck.
http://www.olypen.com/craigh/heater.htm
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Originally Posted by FleXJ the Kid
Yes, probably, I dont know. I could but sometimes it was difficult. Just get under there and try.
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