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Old 02-11-2008   #1 (permalink)
Gronzo is offline Apprentice

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Default 1990 Mustang GT Heater Core is done

Just wanted to say thanks to Eagle and everyone on hee for their help and advice. By the way if this ever happens again I am paying the shop the 550!!! That job sucked!!!

Anyway someone on hee had some advice on grounding the core... Anyone know where that is? I thought there were pictures and some instructions...

Oh also anyone know a good book or step by step for body work and paint?

Thanks
Gregg
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Old 02-12-2008   #2 (permalink)
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I have read and been told that the heater core in these cars is a pain to change. My 1990 gt was already changed when I bought the car. My first foxbody was a 1988 4cyl LX and it did go bad when I still owned the car. I do a lot of my own work but that was one job I did not want to do so my friends father who is like a second father to me replaced it for the cost of the part plus $40 in labor he even wrote cheap labor on the recipt. Talk about a good deal.
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Old 02-12-2008   #3 (permalink)
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I did that in my 79 once, never again.

I always love how when you get done with a job there are always extra nuts and bolts.
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Old 02-12-2008   #4 (permalink)
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Quote:
Originally Posted by 79stangghia View Post
I always love how when you get done with a job there are always extra nuts and bolts.
Aint that the truth!!!!!! I hate doing those cores. I would like more info on grounding the cores. I unhook the battery when she goes in storage.......hoping that slows the electrolisis(sp).
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Old 02-12-2008   #5 (permalink)
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nevermind........double post. Feel free to delete this post
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Old 02-12-2008   #6 (permalink)
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$550?? Jeez. I know it's a PITA job to do but not that much. Hope someone helps out on this grounding the core business.
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Old 02-13-2008   #7 (permalink)
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Look in my threads or post i have something on it.

I just used a hose clamp,

stripped one side of a piece of wire and ran through fire wall,

wrapped it around clamp,

and then clamped to either heater core tube- right before I reassembled dash.

Take the other side of wire and ground it in engine compartment(skuff paint down to metal at location)


Google it also, I found some pics somewhere( Google pics can help alot)
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Old 02-13-2008   #8 (permalink)
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adabiri2 is right. As long as your touching metal to metal (i.e. core to engine block or frame) you've got a ground. You could just strip a long enough piece of wire and tie a knot around the core if you wanted to. However, a hose clamp, or better yet, solder, will give you a much better connection. That way any charge that the coolant may pick up will discharge to ground and slow the corrosion.
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Old 02-14-2008   #9 (permalink)
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Pay yourself the $550, you earned it!
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Old 02-14-2008   #10 (permalink)
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Oh no you guys are really scarin me. I've got to change mine as soon as we get some warmer weather here. I'm just glad its not a daily driver so there's no hurry.
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