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Old 12-23-2009, 06:38 PM   #1
Sinister
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Front Drum Brakes.

Getting ready to do the front drum brakes on my '69 C-20, though I'm very tempted to just take it in. I hate doing drum brakes. The Chassis Service manual mentions a gasket between the drum and hub, any idea where to get this gasket, and what's it called?
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Old 12-24-2009, 07:12 PM   #2
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Re: Front Drum Brakes.

bump.

Curious to know the answer to this, and what its function is. I've done a bazillion sets of rear brakes on everything from Corollas to school buses but never a pre-70s front drum vehicle (that I can recall anyway). No rear drum vehicle I ever did had a gasket between the drum and a hub.
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Old 12-24-2009, 07:39 PM   #3
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Re: Front Drum Brakes.

Never had to do front drums either. Maybe somebody who knows will chime in.
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Old 12-24-2009, 11:47 PM   #4
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Re: Front Drum Brakes.

good time for disc swap lol
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Old 12-25-2009, 09:01 AM   #5
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Re: Front Drum Brakes.

you talking on a two wheel drive??

there is a seal on the inside of the drum to keep dirt out of the bearings
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Old 12-25-2009, 09:41 AM   #6
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Re: Front Drum Brakes.

Two wheel drive. I have the seals on order. The Chassis Service Manual mentions a gasket between drum and hub. I'd like to swap to disks, just not in the budget for now,
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Old 12-30-2009, 12:07 AM   #7
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Re: Front Drum Brakes.

sure it is, find a beater 73+ for as dirt cheap as you can. most of the time you can get roller frames for free .

swap out the whole package, take the pos to the scraper, you brake job was now free.
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Old 12-30-2009, 10:30 AM   #8
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Re: Front Drum Brakes.

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sure it is, find a beater 73+ for as dirt cheap as you can. most of the time you can get roller frames for free .

swap out the whole package, take the pos to the scraper, you brake job was now free.
Will this work for a 3/4 ton?
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Old 12-30-2009, 10:48 AM   #9
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Re: Front Drum Brakes.

R U talking about where the backing plate fits over the spindle? When I recently did the front drums on my '66 C10, I just ran a small bead of Permatex around it.
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Old 12-30-2009, 10:54 AM   #10
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Re: Front Drum Brakes.

Supposed to be between the drum and hub. Might just hit it with RTV.
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Old 12-30-2009, 12:01 PM   #11
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Re: Front Drum Brakes.

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Will this work for a 3/4 ton?
Yes.
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Old 12-30-2009, 02:54 PM   #12
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Re: Front Drum Brakes.

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Yes.
Good to know, although I just sprang for all new parts for the drum brakes, so it'll have to wait for a bit.
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Old 12-30-2009, 03:16 PM   #13
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Re: Front Drum Brakes.

then take em back.
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Old 12-30-2009, 03:39 PM   #14
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Re: Front Drum Brakes.

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then take em back.
Nah, I'm just going to redo the drums and then hunt down the stuff to go to disc brakes in the future. Just don't have the time right now to find the parts and rip the truck apart. 3/4 ton drum brakes actually stop pretty well.
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Old 12-31-2009, 11:28 AM   #15
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Re: Front Drum Brakes.

I've noticed this gasket you are talking about. I recently pulled a front hub (2 wd) off a GMC in the junk yard and noticed the remains of a gasket material between the hub and brake drum. There was not much left of it so I just scraped it off. Maybe it was for some kind of "anti chatter" fix for vibration or something?
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Old 12-31-2009, 11:32 AM   #16
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Re: Front Drum Brakes.

Quote:
Originally Posted by rockdawg View Post
I've noticed this gasket you are talking about. I recently pulled a front hub (2 wd) off a GMC in the junk yard and noticed the remains of a gasket material between the hub and brake drum. There was not much left of it so I just scraped it off. Maybe it was for some kind of "anti chatter" fix for vibration or something?
See, I'm not crazy. LOL. I think I'll just hit it with some RTV and call it good.
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Old 12-31-2009, 11:36 AM   #17
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Re: Front Drum Brakes.

Quote:
Originally Posted by rockdawg View Post
I've noticed this gasket you are talking about. I recently pulled a front hub (2 wd) off a GMC in the junk yard and noticed the remains of a gasket material between the hub and brake drum. There was not much left of it so I just scraped it off. Maybe it was for some kind of "anti chatter" fix for vibration or something?
I figured that's what it might be as well, or to control brake dust from blowing out on to the hubcap, or whatever. It's probably not a big deal if it's missing.
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