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Old 01-31-2013, 08:51 AM   #1
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Heater issues....yes I know...

Ok, read all the other threads but don't see anything that describes my issue... here is what I got...

blower...yep it blows

heater core...both hoses get hot so I have circulation

radiator/ coolant temp reads about 200-210 when up to temp...never overheats

never get hot air out of the heater or even warm for that matter...

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Old 01-31-2013, 08:52 AM   #2
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Check the blend door.

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Old 01-31-2013, 09:36 AM   #3
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blows on the floor, blows out of the dash vents...blows for defogger....just not warm/hot
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Old 01-31-2013, 09:39 AM   #4
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Check the resistor, i bet its not heating up
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Old 01-31-2013, 09:42 AM   #5
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Check the resistor, i bet its not heating up
Its on the passenger side under the jockey box behind a small black cover held on with three or four 8 mm screws
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Old 01-31-2013, 09:45 AM   #6
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The blend door controls the air output temp. Probably stuck or broken. The blower resistor has to do with fan speed control and not air temp.
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Old 01-31-2013, 09:49 AM   #7
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Quote:
Originally Posted by Wattapunk
The blend door controls the air output temp. Probably stuck or broken. The blower resistor has to do with fan speed control and not air temp.
Good to know
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Old 01-31-2013, 11:21 AM   #8
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OK....well I removed the blend door actuator and it moves back and forth as it should when you turn the control on the dash....my best guess at this point is the door itself inside is broken
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Old 01-31-2013, 11:29 AM   #9
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can you manually move the blend door? If so, is there any resistance?
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Old 01-31-2013, 11:35 AM   #10
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can you manually move the blend door? If so, is there any resistance?
it seems to rattle around in there so I am thinking not good

not gonna spend my day on this...its Florida....gonna be upper 30's low 40's tonight and back to 70 tomorrow afternoon.....the drive to work is gonna suck but otherwise not to bad...just add it to my list of sh** to eventually fix

the last 2 days it was mid 80s...no doors or top ...crazy ass weather
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Old 01-31-2013, 12:07 PM   #11
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Let me know what you find out. I have the exact same problem. Haven't checked the blend door yet because it's been to freakin cold and it's dark when I get home from work. I do see the actuator moving when I slide the knob. I thought when it worked before, I thought I was supposed to hear the door open and close when i slide the temp control. I don't hear crap.
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Old 01-31-2013, 01:04 PM   #12
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Sounds like a broken blend door. Unfortunately, not the easiest to get to.
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Old 01-31-2013, 01:22 PM   #13
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im no expert but it could also be the hot cold switch is broken. Im sure someone will correct me if im wrong but i have had 2 fan speed switches go out so i dont know why a temp switch couldn't go out.
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Old 01-31-2013, 01:25 PM   #14
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im no expert but it could also be the hot cold switch is broken. Im sure someone will correct me if im wrong but i have had 2 fan speed switches go out so i dont know why a temp switch couldn't go out.
The temp switch controls the blend door, and his blend door actuator motor is working.
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Old 01-31-2013, 05:49 PM   #15
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Sounds like a broken blend door. Unfortunately, not the easiest to get to.

well I was looking on this site Jeep Wrangler 97-06 - Providing replacement part for blend door problem, Heat or AC replacement parts, Dodge, Chrysler, Jeep

scroll down to see pics...
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Old 02-01-2013, 01:18 PM   #16
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That seems like a fix, but I was wondering if I couldn't manual open and close the door with a screwdriver or something. I really only switch from hot to cold a couple times a year. Fairly mild here in TN.
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Old 02-01-2013, 02:39 PM   #17
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Mine doesnt even have the blend door actuator....PO removed it for some friggin reason i have failed to figure out. So i got all heat all the time....til the blower stopped blowing this morning with a temp of 2 outside.....

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