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06-11-2018, 07:49 AM | #1 |
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Join Date: Sep 2017
Location: Banbury, England
Posts: 35
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Backing plate bolts too long?
I'm putting my rear brakes back together and I'm finding that the backing plate bolts seem to be too long on both sides. The car appears to have been in a barn since the 60s until I bought it so I don't know how it rides or anything.
So, maybe something is missing or maybe there are incorrect parts being used. If I tighten the nuts to just 30 ft lbs the hole for the pins is above the crenellations on the nuts: 20180611_132930.jpg The bolts are 1 9/16" long and the nut is 5/8" in total length. 20180611_132951.jpg Do the nuts and bolts look correct? Am I missing a washer somewhere? I've looked at the exploded view in the Snyder's catalogue and can't see anything I'm missing. Can I safely add a thick washer under the nut? (This is a '31 Tudor.) Last edited by Zephyr4; 06-11-2018 at 07:58 AM. |
06-11-2018, 08:03 AM | #2 |
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Join Date: May 2010
Location: Lakeville, MN
Posts: 5,159
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Re: Backing plate bolts too long?
Go to the link below. This was covered in detail in that post.
Rusty Nelson https://www.fordbarn.com/forum/showt...hlight=backing |
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06-11-2018, 08:32 AM | #3 |
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Join Date: Sep 2017
Location: Banbury, England
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Re: Backing plate bolts too long?
Thanks for that reply! No idea why I didn't find that thread when I searched. Got the answers I needed.
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06-11-2018, 09:33 AM | #4 |
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Join Date: Aug 2013
Location: Long Island NY
Posts: 72
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Re: Backing plate bolts too long?
Wouldn't it be just as easy to place a proper sized flat washer on the bolt before you insert it in the axle housing flange? The washer can be gotten very easily at any hardware store.
Sofield |
06-11-2018, 12:56 PM | #5 |
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Join Date: Sep 2017
Location: Banbury, England
Posts: 35
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Re: Backing plate bolts too long?
The bolts have shoulder to locate the backing plate securely and that doesn't protrude very far through the axle flanges, so the washer can't really go under the head of the bolt. The way the baffle is shaped you probably wouldn't get a normal sized washer directly under the nut. If you put the washer between the backing plate and the e brake assembly, that would space the e brake too far into the drum I think. So the only place left is between the baffle and the e brake assembly/carrier.
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06-11-2018, 01:01 PM | #6 |
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Join Date: May 2010
Location: Lakeville, MN
Posts: 5,159
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Re: Backing plate bolts too long?
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Rusty Nelson |
06-11-2018, 04:24 PM | #7 |
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Location: Hangtown, CA
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Re: Backing plate bolts too long?
I just went through this same thing as you can see from my post linked above. I used Tom Endy's great instructions and it worked perfectly. I found that I needed a little different thickness for the washers from what he has listed on his pdf, but I talked to him and he said it varies. Thanks again Tom!
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06-12-2018, 03:34 AM | #8 |
Member
Join Date: Sep 2017
Location: Banbury, England
Posts: 35
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Re: Backing plate bolts too long?
The only 7/16" washer I had were spring washers, so I tried them behind the baffle and it's worked perfectly. Thanks for the help.
When I embarked on this little adventure, several people told me that model As are such simple old things that I'd have the car up and running in no time. They were all wrong! |
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