Another no heat thread
I've got an '01 wj. No dual climate. V8. I bought the heater treater or blendor replacement and when I opened it up behind the glove box, everything operated like normal. I was already in there so I put the metal door in anyways and retested. The door still works. Still no heat. The sending and return hoses to the heater core both get hot quickly and at the same rate. I parked the Jeep with the front tires about 6-8 inches above the rear tires, took the radiator cap off and let it run with the heater on full blast till the thermostat opened and then loosened the bleeder screw to try and get some air out. Some bubbles came out for a bit, when it stopped I closed it back up, put the cap back on and still no heat. What. Am. I. Missing.
Thanks for reading and your replies in advance. |
No one has another thing to check? Or to do?
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If the heater core is getting hot, your problem is air flow. If you have the optional cabin air filter, check to see if it's plugged. Also disconnect the vacuum supply and see if it goes to the factory default defroster setting. While you had it apart, did you see if the heater core fins were clear and not plugged with crap? Is the air intake door functioning?
That's all I've got. |
Originally Posted by dave1123
(Post 3329332)
If the heater core is getting hot, your problem is air flow. If you have the optional cabin air filter, check to see if it's plugged. Also disconnect the vacuum supply and see if it goes to the factory default defroster setting. While you had it apart, did you see if the heater core fins were clear and not plugged with crap? Is the air intake door functioning?
That's all I've got. |
Originally Posted by dave1123
(Post 3329332)
If the heater core is getting hot, your problem is air flow. If you have the optional cabin air filter, check to see if it's plugged. Also disconnect the vacuum supply and see if it goes to the factory default defroster setting. While you had it apart, did you see if the heater core fins were clear and not plugged with crap? Is the air intake door functioning?
That's all I've got. |
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