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Old 01-09-2013, 04:28 PM   #1
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2000 Jeep TJ HEATER CORE REPLACEMENT VIDEO

I recently replaced my heater core and took some video of the struggle. I am by no means a mechanic. Just a DIY guy. I hope you enjoy the vid.

I bought the used heater core from jw auto wreckers out of california for $35


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Old 01-09-2013, 06:38 PM   #2
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Thanks, I am doing this soon. How long did it take? And where did you get the used core? I still might go aftermarket.

Also, why'd you pull the column and dash all the way? I thought I read you could suspend it with straps?

Not looking fwd to this!

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Old 01-09-2013, 07:08 PM   #3
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Originally Posted by LucaBrasi View Post
Thanks, I am doing this soon. How long did it take? And where did you get the used core? I still might go aftermarket.

Also, why'd you pull the column and dash all the way? I thought I read you could suspend it with straps?

Not looking fwd to this!
Ive heard of other people not taking the dash out as well.But I did not want to be fighting with getting the hvac unit out and have to take it all the way out anyways. once the steering column is lowered its only a pinch bolt holding it to the shaft so you might as well get it out of the way. I bought the heater core from jwjeep I got a used oem because I heard that the aftermarket have quality issues.It took me about 14 hours total over 3 days. If I had to do it again I would say it would take 8 hours max. www.jwjeep.com .
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Old 01-18-2013, 01:24 PM   #4
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I had to replace my heater core a couple weeks ago and I found this on another forum it helped out a lot it goes through almost every step. The only difference is that it didn't have ac and I have to take mine off but it's not hard.

http://www.jeepforum.com/forum/f9/19...-non-c-626780/
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Old 01-18-2013, 05:43 PM   #5
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Quote:
Originally Posted by robs609 View Post
Ive heard of other people not taking the dash out as well.But I did not want to be fighting with getting the hvac unit out and have to take it all the way out anyways. once the steering column is lowered its only a pinch bolt holding it to the shaft so you might as well get it out of the way. I bought the heater core from jwjeep I got a used oem because I heard that the aftermarket have quality issues.It took me about 14 hours total over 3 days. If I had to do it again I would say it would take 8 hours max. www.jwjeep.com .
X2 Everything is disconnected anyway, so why not get it out of the way?
Suspending the dash with straps looked to be a bigger mission than taking it out IMO.

I've heard of guys taking 3 hours to do this job - took me 5 days
What really slowed me down was all the aftermarket wiring I had installed.
If I had to do it again, it would be much faster.

Amazingly, putting it all back together was a lot faster than tearing it down.
Every time I removed a fastener (bolt, screw, clip, whatever) it went in a little plastic bag (with a note saying where it was from).
I kept these in order and when it came time to re-assemble just used them in reverse order.

As mentioned in the video, deep 13mm socket will be your best friend when it's time to remove the steering column - do yourself a favor and get one BEFORE you start.
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Old 01-22-2013, 11:01 AM   #6
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I'm halfway done. 6 hours to get the HVAC out. Most o the time was spent unplugging all the stupid plastic electrical connections.

A few variations:

I didn't take the seats out and had no problems. To lid the dash I set it in my knees. Worked well.

The bottom 2 black connectors on the rainbow under the drivers side wouldn't budge, but you don't need to remove them. They don't attach to the dash.

Taking the dash out was pretty easy overall. Just finding all the wires was a pain.

The heated hoses were seized on the old core. After an hour of tugging I used channel locks to crush the pipes on the old core, and the hoses popped right off (undamaged, too).

I'm working off site so I took the HVAC home. Cracking that open starts tonight.
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Old 01-24-2013, 09:57 PM   #7
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I took the HVAC aprt tonight. What a pain. The aftermarket core is not a perfect fit. I got it in gently.

I read through that JF thread. 1 person had issues with the aftermarket, and a few others had no issues. My original core had 100k miles on it and looks absolutely trashed. I cant imagine spending so much money on it, they shouldnt fail so easy.

I forgot to buy the foam seals, and I obviously trashed mine pretty good. Anyone know if I can put it on AFTER mounting the HVAC back in the TJ? I would think so...?

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