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Unread 10-14-2013, 04:24 PM   #1
congerz83
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Cutting dash to access heater core???



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Unread 10-15-2013, 12:47 AM   #2
Oldfrog
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No safety goggles. Brilliant.

Yeah....I want this guy working on my Zj.......NOT !
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Unread 10-15-2013, 06:04 AM   #3
coralman
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Looks like he was well on his way to doing it correctly too,before the cutting wheel came out.
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Unread 10-15-2013, 10:02 AM   #4
Jeeples
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Once you get to that point it's not much work to remove the rest of the dash and replace the core the proper way. If you're not replacing the AC evaporator core, then you don't need to disconnect the lines through the firewall. You should be able to just pull the HVAC box back a couple inches in order to replace just the core.
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Unread 10-15-2013, 08:30 PM   #5
Rikoshay
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1998 ZJ 
 
Join Date: Oct 2013
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It's been a loooong time since I've taken a dash apart to fix a heater core (knock on wood).

But one thing comes to mind; when a vehicle is built the entire dash assembly is pre-assembled, radio, wiring, gauges, everything. They just slide the whole assembly in with a long arm and put in a couple bolts, hook up the wires and away it goes. Only takes 30 seconds or so and it's done.

Haven't put a whole lot of brain power into how you could pull the entire dash back out that way. Just thinking.
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Unread 10-15-2013, 09:35 PM   #6
congerz83
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I'm not saying I would do it, but I am intrigued to know how much time he's actually saving.
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Unread 10-15-2013, 10:12 PM   #7
zjosh93
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Not much if any: it looks like the dash is already loose, the hole looks too small to pull the core through, and the video ends before we see any progress to the core.
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Unread 10-15-2013, 11:14 PM   #8
ieattacos
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Cant wait to see his video on changing a trani filter
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Unread 10-15-2013, 11:22 PM   #9
riot1987
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Ive THANKFULLY.... never had to do a heater core. But Im all for opening 'er up to get more access. In his case Its all going to be covered afterwards. Im not sure how essential it was to cut, but if it helped get to some bolt heads or something then hell, id probably do the same. Ive changed many a fuel pump by cutting holes in the trunk as opposed to dropping the tank.
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Unread 10-15-2013, 11:34 PM   #10
rlcii77
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I just replaced the heater core in a 5.9 ZJ and there's no way I'd suggest cutting on the dash or anything other than the coolant hoses, if you're gojng to be replacing them... There's two coolant hoses, around twenty screws, a few bolts and ten or so electrical connectors to disconnect, then the dash has room to be pulled away from the firewall enough to remove the entire HVAC assembly, if needed... The entire process took me about 6 hours, and there was nothing difficult about it... I think the most difficult thing about it was getting the coolant return hose off the old brass heater core outlet... lol
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Unread 10-16-2013, 12:13 AM   #11
StPaul59
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Quote:
Originally Posted by ieattacos View Post
Cant wait to see his video on changing a trani filter


Unfortunately the camara was destroyed during an attempt to change the batteries..
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Unread 10-16-2013, 05:11 AM   #12
coralman
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StPaul
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