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post #1 of (permalink) Old 12-03-2002, 08:12 AM Thread Starter
 
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Heater core in a TJ

I was freezing my tail off this morning waiting for my Jeep to warm up when the scary thought of eventually having to replace the heater core hit me. Has anyone replaced a heater core in a TJ, and is it as easy as the older Jeeps?
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post #2 of (permalink) Old 12-03-2002, 09:43 AM
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Re: Heater core in a TJ

I was going to type word for word the procedure from the 99 FSM ...but it would take quite a while. Apparently the "AC/heater housing assembly has to be removed as a unit. This requires the AC be discharged ...etc...etc...

Now if you don't have AC .......you still have to go though a few steps that will take a few minutes to type out. This isn't like my son's Ranger .......lower coolant level ...remove heater hoses ...remove two fasteners off of neat and convenient plastic cover ...remove heater core ...replace heater core ........replace plastic cover ...replace hoses ......top off coolant ...... [img]images/graemlins/grin.gif[/img] Total costs $45 .......the look on my son's face when molding old dad once again saves the day = priceless.

If you really need to attack this thing .......hit me back channel and I'll detail the instructions. More than likely you've got an air door problem if you're not getting good heat at operating temp. The TJ has "issues" with their climate control doors and linkage. The newer (like for the last 20 years) lighter and POS plasticcheaper cores typically just leak when they're shot. Although it's possible to plug one up .......I've never had it happen to me.
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post #3 of (permalink) Old 12-03-2002, 11:22 AM Thread Starter
 
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Re: Heater core in a TJ

Sorry for the confusing post, and luckily you did not write out step by step how to do it. I was just wondering, all is fine with mine at this time, but i am assuming it is a bitch of a job to do. I did one in a Bronco II, and you are right, it was a breeze. Like i said, I was sitting there this morning staring at all that plastic thinking how much of a PITA it will be. And of course, i have A/C.

Thanks for the response though.
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