Too hot to drive - JeepForum.com

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post #1 of 25 Old 07-04-2012, 06:30 PM Thread Starter
Randomdude735
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Too hot to drive

Ok, this is an annoying problem. When I drive my 1997 with top off, I get an amazing amount of heat coming from under the dash. Mild weather or hot weather it is the same. The heat and air are turned off, but its like a blast furnace coming from under the dash. I checked the fire wall and can not find any openings or holes.
It was over a hundred today and I made the mistake of driving my family across town. Any thoughts as to what might be causing this?
Its a 97 4.0 5 speed.

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post #2 of 25 Old 07-04-2012, 06:50 PM
wushaw
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Floor heat from heater core. You probably have a diverter door not closing.
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post #3 of 25 Old 07-04-2012, 10:44 PM
ratmonkey
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Also, the Trans tunnel gets hot as heck just from the engine and Trans.

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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post #4 of 25 Old 07-05-2012, 06:37 AM
JEK3
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Yep, it's a Jeep thing. I lessened the problem in mine by taking a towel and shoving it up between the center of the dash and the top of the tunnel, forward of the shifter. I made sure the floor vents weren't covered. Worked very well keeping my feet/calves from roasting.
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post #5 of 25 Old 07-05-2012, 07:22 AM
hustler905
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Have you removed the carpet or floor plugs?
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post #6 of 25 Old 07-05-2012, 07:38 AM
JBTJ
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Quote:
Originally Posted by JEK3 View Post
Yep, it's a Jeep thing. I lessened the problem in mine by taking a towel and shoving it up between the center of the dash and the top of the tunnel, forward of the shifter. I made sure the floor vents weren't covered. Worked very well keeping my feet/calves from roasting.
No, I wouldn't say that. None of my JEEPS do or have ever done that. Like said, probablly the diverter door is not closing.
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post #7 of 25 Old 07-05-2012, 07:52 AM
JEK3
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Originally Posted by JBTJ View Post
No, I wouldn't say that. None of my JEEPS do or have ever done that. Like said, probablly the diverter door is not closing.
I'll have to look into that. It is a Jeep thing, in that Jeeps are susceptible to it.
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post #8 of 25 Old 07-05-2012, 09:09 AM
clintrivera
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If the heat is radiating through the sheet metal there are materials you can apply the to metal to shield the heat. Some also serve as sound deadening, so you get two benefits.

Like this http://www.jegs.com/p/Eastwood/Eastw...07471/10002/-1
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post #9 of 25 Old 07-05-2012, 09:28 AM
JeepGoat78
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I believe there is also a ceramic heat reducing paint you can apply on the tunnel to help with this. I read about it on these forums but can't seem to remember the name of it.

~Goat~
Home made TJ trunk with soft window storage and a sub-woofer:
http://www.jeepforum.com/forum/f37/my-tj-trunk-storage-sub-1397268/
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post #10 of 25 Old 07-05-2012, 09:36 AM
ShakaBrahTJ
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I'm having the same issue with my 1997, but apparently not as bad. Felt like to me the heat was coming out of the floor vents (heater), although it was off.
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post #11 of 25 Old 07-05-2012, 09:49 AM
JBTJ
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You would think that if it were a case of heat radiating in through the tub that all JEEPS would have that issue. Since not all JEPS have that issue it must be the diverter door not closing.
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post #12 of 25 Old 07-05-2012, 04:22 PM Thread Starter
Randomdude735
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Thanks to everyone for the advice! I'm going to check the diverter door and put some insulaton on the floor and firewall. the factory carpet has been removed and a hard plastic surface had been installed. Thanks again. I will let you know if all of this helps.
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post #13 of 25 Old 07-06-2012, 08:14 AM
ShakaBrahTJ
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Quote:
Originally Posted by Randomdude735 View Post
Thanks to everyone for the advice! I'm going to check the diverter door and put some insulaton on the floor and firewall. the factory carpet has been removed and a hard plastic surface had been installed. Thanks again. I will let you know if all of this helps.
Yes, let us know the outcome. Because I'll apparenlty be doing the same thing.
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post #14 of 25 Old 07-06-2012, 08:19 AM
Wheelin98TJ
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Quote:
Originally Posted by Randomdude735 View Post
Thanks to everyone for the advice! I'm going to check the diverter door and put some insulaton on the floor and firewall. the factory carpet has been removed and a hard plastic surface had been installed. Thanks again. I will let you know if all of this helps.
The blend door is likely stuck on hot.

Slide the lever while watching the arm circled below.

If the arm does not move, you can move it by hand over to cold as a temporary fix.


blend-door-tj.jpg
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post #15 of 25 Old 07-10-2012, 05:16 AM Thread Starter
Randomdude735
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Just wanted you all to know that the diverter door thing fixed the problem!!!! The picture also helped a lot!! My wife is very please with all of you!! Thanks again for your help. I'm going to put insulation down as well to help with the heat around the transmission. Thanks again!
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