It is like they are the wrong drums just not deep enough. I'll measure them and post later.
Add Self Adjusting Brakes
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Laughing Gas
Joined: Mar 2005
Posts: 1,109
Likes: 9
From: Thornton, Colorado
Add Self Adjusting Brakes
Hey guys, I took my brakes apart, and am replacing all of the parts that were heavily rusted. The question I have is the back has self adjusters, but the front does not. Can I add adjusters to the front? It seems like i should be able to just get the adjusters, and install them. Has anyone done this? Is it as easy as I think?
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Laughing Gas
Joined: Mar 2005
Posts: 1,109
Likes: 9
From: Thornton, Colorado
Thanks I thought I could do it, but I thought I would check with the guys on the forum. I knew there had to be some others here who saw this issue, and decided to add the adjusters.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
The brake adjusters only work when you back up and step on the brakes.
1965/72 F100: The self adjuster parts are the same front & rear, but are right and left specific.
1973/79 F100 / 1975/79 F150: The same self adjuster parts are used on the rear brakes, and on the front brakes of 1973/75 F100 4WD's.
The only F100's that had front drum brakes were 1973/75 F100 4WD's.
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Laughing Gas
Joined: Mar 2005
Posts: 1,109
Likes: 9
From: Thornton, Colorado
Thanks for the info. I got all of the parts, and got the back put back together. One strange issue though. The drums on the rear don't go all the way back to the backing plates. I can actually see the shoes in between the backing plate and the drum. I am thinking these are not the right drums, and I may need to replace them with the proper ones. Has anyone seen this issue, is this right, and just a strange thing about these old trucks???
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
Thanks for the info. I got all of the parts, and got the back put back together. One strange issue though. The drums on the rear don't go all the way back to the backing plates. I can actually see the shoes in between the backing plate and the drum. I am thinking these are not the right drums, and I may need to replace them with the proper ones. Has anyone seen this issue, is this right, and just a strange thing about these old trucks???
C4TZ1126A .. Rear Brake Drum / C4TZ-1126-A replaced A8TZ-1126-A / Obsolete
Fits: 1948/52 F1 / 1953/67 F100.
--------------------------------
1968/79 F100's, 1975/79 F150's came with 11" x 2 1/4" rear brake shoes.
What size are your rear brake shoes?
------------------------------------
I found 9 of these obsolete drums at Ford Dealers, 15 more at obsolete parts vendors.
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Laughing Gas
Joined: Mar 2005
Posts: 1,109
Likes: 9
From: Thornton, Colorado
I will have to measure them, but the strange thing is, it is not the shoes that are keeping the drum from going back further, it is the spindle. It is like they are the wrong drums just not deep enough. I'll measure them and post later.
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Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
When you re-did the rear brakes, did you remove the rear backing plates or the rear axles?
Since the same brake drum was used 1948/67 and there's only one, it cannot be the fault of the brake drum, unless it's from a 1968/79.
How much of a gap is there?
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Laughing Gas
Joined: Mar 2005
Posts: 1,109
Likes: 9
From: Thornton, Colorado
I used the wrong term thinking front when working on the back. The drum seems to fit right at the end of the axle, but it just doesn't go back far enough. I have the Truck at my Dad's so I will check later and post what I find.
Wouldn't having the later model drums have the opposite issue. The drum would hit the backing plate before it bottomed out on the axle??
Wouldn't having the later model drums have the opposite issue. The drum would hit the backing plate before it bottomed out on the axle??
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Laughing Gas
Joined: Mar 2005
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From: Thornton, Colorado
I now think I have the wrong rear axles.
Okay, so I went to Napa and got new drums for the back of my truck and they measure the same and fit the same. I am now questioning did someone put axles out of a 69 in my truck. I looked up the brakes for a 69, and they are 2 1/4 not 1 3/4 like stock was in 66. So if I return the 1 3/4 brakes and drums, and buy 2 1/4 brakes and drums I think my issues are solved. My question is will they all fit? I figure Numberdummy knows the answer, and if anyone can tell me how to ID the axles it is him.
So if you get a chance Bill please let me know.
So if you get a chance Bill please let me know.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
Okay, so I went to Napa and got new drums for the back of my truck and they measure the same and fit the same. I am now questioning did someone put axles out of a 69 in my truck. I looked up the brakes for a 69, and they are 2 1/4 not 1 3/4 like stock was in 66. So if I return the 1 3/4 brakes and drums, and buy 2 1/4 brakes and drums I think my issues are solved. My question is will they all fit? I figure Numberdummy knows the answer, and if anyone can tell me how to ID the axles it is him.
So if you get a chance Bill please let me know.
So if you get a chance Bill please let me know.
1957/67 F100 9" axle shafts (B7TZ4234A) are the same right/left: 29 11/16" long from the splined end to the inside of the flange.
1968/72 F100 9" axle shafts (C8TZ4234A) are the same right/left: 29 15/16" long from the splined end to the inside of the flange.
The other axleshaft dimensions are the same.
Will the 2 1/4" stuff bolt on a 1965/67? Dunno. The housing is different as are the axleshafts and the backing plates.
Ask jowilker, banjopicker or garbz2.
I know about as much about swapping brake parts around on these trucks...as a mule knows about tap dancing!
New User
Joined: Sep 2009
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Hey Broomfieldbum I'm sorry to tell you this but all that self adjusting drum brakes is a myth. I've been around old car all my life . it not only old cars I worked for a toyota dealer 4 1/2 yrs if you didn't clean & adj the rear brakes every 15k . it would go through brake pads every 20k. I think it just a good rule of thumb to adj rear brakes 1or 2 times a year. I had a 69 chevy p/u that the only way to keep a pedal not to mention if your towing .good luck
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