Heater "J" hook installation 70 E Body
#1592061
03/12/14 05:21 PM
03/12/14 05:21 PM
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Joined: Jul 2013
Posts: 1,272 Northern Calyfornua
Sxrxrnr
OP
pro stock
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OP
pro stock
Joined: Jul 2013
Posts: 1,272
Northern Calyfornua
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What is the secret sauce to the installation of the "J" hook on 70 Challenger? I had removed heater to resolve noisy fan,,,found that was not shoved onto motor shaft as far as it should have been. All back together except having problem attaching hook. I have vent open a and can get my hand on it ok. Also the hole in plastic housing thru which the screw goes is broken out,,so I will be using an oversized plastic washer to hold screw in place,,,May epoxy in place later. Any advice on how to eliminate harmonic vibration rattle from entire heater appreciated. If I push with my foot or hand against heater,,,,the rattle pretty much goes away Here is a URL to a posting that shows illustration of the entire heater assembly and said hook. https://board.moparts.org/ubbthreads/showflat.php?Cat=0&Number=6068326&page=0&vc=1Image of hook attachment
Last edited by Sxrxrnr; 03/12/14 05:29 PM.
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Re: Heater "J" hook installation 70 E Body
[Re: 70mopes]
#1592063
03/12/14 06:09 PM
03/12/14 06:09 PM
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Joined: Oct 2006
Posts: 7,371 Iowa
burdar
Owen's Dad
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Owen's Dad
Joined: Oct 2006
Posts: 7,371
Iowa
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Quote:
I had to bend the flange of my hook where the bolt attaches so that it would reach further towards the metal cowl anchor point. Before I did that, when I went to tighten it the hook would pull away from the anchor point. Bend it so that it can catch and remain on its anchor point.
Exactly what I had to do on mine. I tried installing it a few times and failed. After I bent the hook slightly, it went right in.
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Re: Heater "J" hook installation 70 E Body
[Re: burdar]
#1592064
03/12/14 10:53 PM
03/12/14 10:53 PM
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Joined: Jul 2007
Posts: 11,836 Florida
mopar346
Let me tell ya about fat chicks!
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Let me tell ya about fat chicks!
Joined: Jul 2007
Posts: 11,836
Florida
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I guess I got lucky, no bending necessary. If I remember right I just started the bolt and lifted everyhting into place, reached through the vent and hooked it in place, tightened the bolt and all is well.
Careful, your character's showing!
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Re: Heater "J" hook installation 70 E Body
[Re: mopar346]
#1592065
03/12/14 11:20 PM
03/12/14 11:20 PM
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Joined: Feb 2012
Posts: 201 Waterford, MI
JAK
enthusiast
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enthusiast
Joined: Feb 2012
Posts: 201
Waterford, MI
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Quote:
I guess I got lucky, no bending necessary. If I remember right I just started the bolt and lifted everyhting into place, reached through the vent and hooked it in place, tightened the bolt and all is well.
Same here as I installed mine the same way last summer.
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Re: Heater "J" hook installation 70 E Body
[Re: Sxrxrnr]
#1592068
03/13/14 11:38 PM
03/13/14 11:38 PM
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Joined: Jul 2007
Posts: 11,836 Florida
mopar346
Let me tell ya about fat chicks!
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Let me tell ya about fat chicks!
Joined: Jul 2007
Posts: 11,836
Florida
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Maybe a battery hold down bolt it you can find one threaded to the bottom. Frankly I would find a replacement box and fix it right.
Careful, your character's showing!
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Re: Heater "J" hook installation 70 E Body
[Re: mopar346]
#1592069
03/14/14 04:20 AM
03/14/14 04:20 AM
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Joined: Jul 2013
Posts: 1,272 Northern Calyfornua
Sxrxrnr
OP
pro stock
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OP
pro stock
Joined: Jul 2013
Posts: 1,272
Northern Calyfornua
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Fixed for now.
I took a 1/4 inch nut and screw forced it on the tip of the hook. This served to much better holding it in place so that it would not pop off while do the next steps. I did not wish to bend the hook and do believe that this even holds more securely
Then I took a 2 inch 10-24 bolt(same thread as the base of the hook) and shortened it by cutting the head off, leaving it about 1/2 inch longer than original bolt that screws into the hook.
I then screwed this now stud into the hook threads, holding it in place with a couple 10-24 nuts. I then placed this new assembly into the heater, and then holding it in place after getting it "hooked", I took 3/4 inch(larger than the dime sized hole previously noted where the plastic was broken out) square piece of scrap thin steel(almost like spring steel) drilled a hole in it, place it over the threads of the previously noted 10-24 stud, placed a nut on it,,actually 2 for insurance and cinched it up.
Wish I had been sitting on the shoulder of whatever engineer thought that he had a flash of genius some 40 plus years ago when designing this miscarriage. Likely thousands have cursed it over the years. What should be at most a 1 hour r&r on the heater can turn into several hours. I have no idea what a mechanic with a larger pair of mitts does when he finds that he cannot squeeze them into the vent to get this thing in place. As for me, I had to place duct tape in the back of my left hand to prevent cutting it up when squeezing it into this vent. A real pain when removing it,,,now I know what bikini waxing must feel like.
One day I will fix this all correctly, until then I won't let Galen G. look under my dash.
Thanks to all of you who chimed in with support.
By the way before I had read the posting tip on a battery hold down, I had purchased a 1 foot length of 1/4 inch threaded stock with exactly your thought in mind.
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Re: Heater "J" hook installation 70 E Body
[Re: AAR#2]
#1592071
03/14/14 07:00 PM
03/14/14 07:00 PM
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Joined: Jul 2013
Posts: 1,272 Northern Calyfornua
Sxrxrnr
OP
pro stock
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OP
pro stock
Joined: Jul 2013
Posts: 1,272
Northern Calyfornua
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Quote:
Had issues installing as well on my Cuda, I had a friend reach in through the removed screen on the cowl and hold the bar in position, while I tightened the bolt.
Never occurred to me, will remember next time. There were a couple of times where a helper would make this project easier,,,like lifting the heater in place while blindly threading mounting studs thru the firewall.
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