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Old 04-20-2021, 06:20 PM   #1
15max
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Default '35 backing plate bolts

Has anyone found a good way to remove these bolts. The head is a bit bigger than 11/16 and difficult to get any kind of wrench inside the grease baffle. It wants to turn with the nut and I can't get a grip. They seem to be rounded in all the wrong places.
Thanks for any ideas that might work.
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Last edited by 15max; 04-20-2021 at 06:21 PM. Reason: Need capitol letter
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Old 04-20-2021, 08:45 PM   #2
Gary Tosel
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Default Re: '35 backing plate bolts

I would recommend that you power wash the area to get rid of all of the grease. Then use a torch to heat up the nuts on the other side and hold the square end with a vice grip plier. Hope that helps.
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Old 04-20-2021, 10:38 PM   #3
cas3
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Default Re: '35 backing plate bolts

I have an old 3/4" open end wrench that I bent to a kinda Z shape to hold them. These bolts can fight, best to make the effort to get all residue from the cotter pins out first, then lube it all up good. There is a "lock" tang too, so keep it tight against the backing plate to keep the tang engaged
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Old 04-20-2021, 10:58 PM   #4
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Default Re: '35 backing plate bolts

Mart on here made a special tool that holds all 4 heads, probably more effective when re-fitting them.
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Old 04-20-2021, 11:22 PM   #5
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Default Re: '35 backing plate bolts




Hard to get to Square Head Bolts on Backing Plate and handy "home-made" Tool to reach them.
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Old 04-20-2021, 11:57 PM   #6
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Default Re: '35 backing plate bolts

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Good photos ! thanks Trevor
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Old 04-21-2021, 02:16 AM   #7
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Default Re: '35 backing plate bolts

If you can get a ring of steel like a big washer and put it over the heads of the bolts, and then refit the hub so it clamps the bolts tight against the axle casing it will hold the heads in place while the nuts are removed.
A ring of plywood would probably do it.

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Old 04-21-2021, 05:07 AM   #8
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Default Re: '35 backing plate bolts

I bent a inexpensive open end wrench .
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Old 04-21-2021, 11:10 AM   #9
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Default Re: '35 backing plate bolts

Good idea mart ^^^ clamping the heads in place would help
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Old 04-21-2021, 12:52 PM   #10
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Default Re: '35 backing plate bolts

I forgot , i had first used a flat gasket scraper and a screwdriver. I just placed the flat blade between the flat on the bolt and the spindle back. It worked on all but one that had been replaced with a standard 6 sided bolt .
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Old 04-22-2021, 10:01 AM   #11
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Default Re: '35 backing plate bolts

Thanks for all the kind responses. I tried the vise grips, bent wrench and several wedges with no success. Finally I made this plate to fit the head. It required a spacer to hold it against the bolt and even a large C-clamp to keep it tight. However, the nuts still would not budge until they were heated as mentioned by Gary.
One more ordeal. It certainly was satisfying when they came loose.
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Old 04-22-2021, 10:58 AM   #12
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Default Re: '35 backing plate bolts

Nice going ! I replaced thoe with later T bolts
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Old 04-22-2021, 11:49 AM   #13
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Default Re: '35 backing plate bolts

Nice job !
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Old 04-22-2021, 12:29 PM   #14
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Default Re: '35 backing plate bolts

Quote:
Originally Posted by 15max View Post
Thanks for all the kind responses. I tried the vise grips, bent wrench and several wedges with no success. Finally I made this plate to fit the head. It required a spacer to hold it against the bolt and even a large C-clamp to keep it tight. However, the nuts still would not budge until they were heated as mentioned by Gary.
One more ordeal. It certainly was satisfying when they came loose.
Looks good!
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Old 04-22-2021, 01:26 PM   #15
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Default Re: '35 backing plate bolts

Thanks guys
Replaced with later T bolts would be the kind thing to do wouldn't it?
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Old 04-22-2021, 03:02 PM   #16
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Default Re: '35 backing plate bolts

That's a nice tool. Feel like making some more?
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Old 04-22-2021, 04:21 PM   #17
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Default Re: '35 backing plate bolts

Cool tool!
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Old 04-24-2021, 10:32 AM   #18
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Default Re: '35 backing plate bolts

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Originally Posted by doghair3 View Post
That's a nice tool. Feel like making some more?
I don't think so. While it is a simple thing to make it took me 5 hours with a hacksaw, files and a drill. A well equipped machine shop might be able to make them cheaper that I could. I could provide drawings if anyone is interested. Had I applied heat earlier the simpler tools should have worked as well.
Thanks
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Old 04-25-2021, 03:30 PM   #19
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Default Re: '35 backing plate bolts

I have used Ggmac s idea before the day ,
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Old 04-26-2021, 10:46 AM   #20
19Fordy
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Default Re: '35 backing plate bolts

Replace the stock bolts with Grade 8 1/2-20 SAE bolts. The hex head will provide a "wrenching" surface. Or you could tack weld a nut to the head of the OEM bolt.
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