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Unread 07-14-2011, 06:06 AM   #1
chooster5000
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1981 CJ7 
 
Join Date: Jan 2011
Location: scotland, ct
Posts: 372
heater core removal

hey guys i just noticed my heater core leaving a puddle on my driver side floor pan on my 81 cj7 yesterday, the only way to change it is to take out the heater box right. Any one have instructions on how to remove it, thanks....Cody

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1981 jeep cj-7 258 with t-176 4 speed and 31x10.5x15 tires,
1979 jeep cj-5 gone but not forgotten
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Unread 07-14-2011, 06:12 AM   #2
mylightsrsquare
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1988 YJ Wrangler 
 
Join Date: Jul 2010
Location: easton pa, Pennsylvania
Posts: 752
on my yj it was pretty simple, unbolt it from the firewall made sure the hoses were discontented then pull it out and take it apart. it cant be too different from the yj,
let me check my chiltons. it covers cj-5 cj - cj7 cj8 and wrangler 1971-90
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1988 yj. 4.2l with a Weber and an ax15 swapped in
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Unread 07-14-2011, 06:17 AM   #3
mylightsrsquare
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1988 YJ Wrangler 
 
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Location: easton pa, Pennsylvania
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here is the best i could get with a cell phone camera, try searching it i know there's a write up on here
photo256.jpg  
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Unread 07-14-2011, 06:47 AM   #4
chooster5000
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1981 CJ7 
 
Join Date: Jan 2011
Location: scotland, ct
Posts: 372
alright thanks for the info ill see what i can do on it
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1981 jeep cj-7 258 with t-176 4 speed and 31x10.5x15 tires,
1979 jeep cj-5 gone but not forgotten
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Unread 07-14-2011, 07:37 AM   #5
DucST4
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1984 CJ7 
 
Join Date: Jun 2010
Location: Colbert, GA
Posts: 140
I found it easier to remove/install my heater box with the pasenger seat out. Just my 2 cents
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Unread 07-14-2011, 08:36 AM   #6
kevinsc
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1983 CJ7 
 
Join Date: Dec 2010
Location: Wylie, TX
Posts: 51
Quote:
Originally Posted by chooster5000 View Post
hey guys i just noticed my heater core leaving a puddle on my driver side floor pan on my 81 cj7 yesterday, the only way to change it is to take out the heater box right. Any one have instructions on how to remove it, thanks....Cody
There are a lot of great threads on JF on this. Here's one I referred to by Ken4444.

http://www.jeepforum.com/forum/f8/ke...ml#post9889006

When I did mine I was also replacing the seals on the dana300 and t5 so I had the skid plate removed. This of course dropped the back of the engine and made the last nut of the heater box a PITA to remove since it's righgt behind the valve cover! Lesson learned.
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