Front Drum Brakes. Take a look
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Damon23
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Front Drum Brakes. Take a look
I'm getting a lesson on front brakes tomorrow. I went to order the parts and was not shocked for some reason when they asked what size. I dug around and it looks like there were 2, 2.5 and 3 inch pads. Well, I ordered 2 and now that I pulled the drum off I have 3 in. But the drum size they have does not add up. I measured from lining to lining and It comes it right at 11.75in. All the drums that are listed on NAPA's side are 11.03 in. Any insight to that? And looking at the insides it does not look like the insides of drum brakes that I remember. Looks like it is missing some things. The truck dives hard right when you jam on the brakes. I got new wheel cylinders, hoses and shoes.
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sargentrs
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Re: Front Drum Brakes. Take a look
You didn't say what year/model truck, it makes a difference. Looks like you're missing the crossbar below the master cylinder, your slack adjuster cam is incorrectly positioned, and you may have incorrect springs. This photo is the opposite side of my '70 F100 but you can see the difference.
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Randy
1970 F100 Sport Custom Limited LWB, 302cid, 3 on the tree. NO A/C, NO P/S, NO P/B. Currently in 1000 pcs while rebuilding. Project thread: http://www.fordification.com/forum/view ... 22&t=59995 Plan: 351w, C4, LSD, pwr front disc, p/s, a/c, bucket seats, new interior and paint.
1987 F-150 XLT Lariat, 5.0/C6 auto.
1970 F100 Sport Custom Limited LWB, 302cid, 3 on the tree. NO A/C, NO P/S, NO P/B. Currently in 1000 pcs while rebuilding. Project thread: http://www.fordification.com/forum/view ... 22&t=59995 Plan: 351w, C4, LSD, pwr front disc, p/s, a/c, bucket seats, new interior and paint.
1987 F-150 XLT Lariat, 5.0/C6 auto.
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Damon23
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Re: Front Drum Brakes. Take a look
It's a 69 F100 2 wheel drive.
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sargentrs
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Re: Front Drum Brakes. Take a look
Then, unless a PO changed something, they should be 2 x 11.
Randy
1970 F100 Sport Custom Limited LWB, 302cid, 3 on the tree. NO A/C, NO P/S, NO P/B. Currently in 1000 pcs while rebuilding. Project thread: http://www.fordification.com/forum/view ... 22&t=59995 Plan: 351w, C4, LSD, pwr front disc, p/s, a/c, bucket seats, new interior and paint.
1987 F-150 XLT Lariat, 5.0/C6 auto.
1970 F100 Sport Custom Limited LWB, 302cid, 3 on the tree. NO A/C, NO P/S, NO P/B. Currently in 1000 pcs while rebuilding. Project thread: http://www.fordification.com/forum/view ... 22&t=59995 Plan: 351w, C4, LSD, pwr front disc, p/s, a/c, bucket seats, new interior and paint.
1987 F-150 XLT Lariat, 5.0/C6 auto.
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motzingg
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Re: Front Drum Brakes. Take a look
well, you're missing the hub for one thing!
ha, i was looking at that for a good couple seconds trying to figure out why it looked so 'open'
the cross bar and lever dingus that hangs out behind the leading shoe are only for parking brake (rear) wheels... sarge posted a shot of a rear wheel there.
the heavy spring that goes on the 'trailing' shoe is wrong. its either mangled or totally the wrong one, either way you'll want an entirely new hardware kit, with adjusters, they are pretty cheap (~20$) not something to skimp on. that spring usually hooks in the uppermost large hole on the shoe and goes in front of the small spring on the leading shoe
the eyelet for the adjuster cable needs to set over the large shoulder adjacent to the anvil shaped retaner thingy on the main post on top. That cable is either wrong or stretched and it isn't holding the adjuster mechanisim in the right place... Thats probably the MAIN reason your truck is pulling.
I thought it was 11x2.5 on front and 11x2 on the rear, but i'm fuzzy on that.
If the drums and pads are in good shape, order the hardware package and just tear it all down and reassemble, snug up the adjusters as tight as you can get them where the drum will still go on and turn, then go around back and adjust them till the drum starts to drag a tiny bit.
I just did this sunday night, in the dark, with a flashlight.... ugh.
ha, i was looking at that for a good couple seconds trying to figure out why it looked so 'open'
the cross bar and lever dingus that hangs out behind the leading shoe are only for parking brake (rear) wheels... sarge posted a shot of a rear wheel there.
the heavy spring that goes on the 'trailing' shoe is wrong. its either mangled or totally the wrong one, either way you'll want an entirely new hardware kit, with adjusters, they are pretty cheap (~20$) not something to skimp on. that spring usually hooks in the uppermost large hole on the shoe and goes in front of the small spring on the leading shoe
the eyelet for the adjuster cable needs to set over the large shoulder adjacent to the anvil shaped retaner thingy on the main post on top. That cable is either wrong or stretched and it isn't holding the adjuster mechanisim in the right place... Thats probably the MAIN reason your truck is pulling.
I thought it was 11x2.5 on front and 11x2 on the rear, but i'm fuzzy on that.
If the drums and pads are in good shape, order the hardware package and just tear it all down and reassemble, snug up the adjusters as tight as you can get them where the drum will still go on and turn, then go around back and adjust them till the drum starts to drag a tiny bit.
I just did this sunday night, in the dark, with a flashlight.... ugh.
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flyboy2610
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Re: Front Drum Brakes. Take a look
The hub would have come off with the drum.motzingg wrote:well, you're missing the hub for one thing!
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Red Green
If you're going to live like there's no hell...............
you'd better be right.
http://theworldasiseeit-flyboy2610.blog ... ee-it.html
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sargentrs
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Re: Front Drum Brakes. Take a look
Lol. Oops, I guess I did post a rear brake. Sorry about that, wasn't paying attention. I swapped to front disc so I don't have front pics.motzingg wrote: the cross bar and lever dingus that hangs out behind the leading shoe are only for parking brake (rear) wheels... sarge posted a shot of a rear wheel there.
Randy
1970 F100 Sport Custom Limited LWB, 302cid, 3 on the tree. NO A/C, NO P/S, NO P/B. Currently in 1000 pcs while rebuilding. Project thread: http://www.fordification.com/forum/view ... 22&t=59995 Plan: 351w, C4, LSD, pwr front disc, p/s, a/c, bucket seats, new interior and paint.
1987 F-150 XLT Lariat, 5.0/C6 auto.
1970 F100 Sport Custom Limited LWB, 302cid, 3 on the tree. NO A/C, NO P/S, NO P/B. Currently in 1000 pcs while rebuilding. Project thread: http://www.fordification.com/forum/view ... 22&t=59995 Plan: 351w, C4, LSD, pwr front disc, p/s, a/c, bucket seats, new interior and paint.
1987 F-150 XLT Lariat, 5.0/C6 auto.
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ultraranger
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Re: Front Drum Brakes. Take a look
I have a '69 F-100, as well.Damon23 wrote:It's a 69 F100 2 wheel drive.
I replaced all the front and rear drum components on my truck, right after I bought the it 3-1/2 years ago. --although right now, I'm in the middle of swapping to front discs from a '77 F-100.
My front drums were 11" x 3" and my rear drums are 11" x 2-1/4".
....a '67 F-100 would have 11" x 2" front drums and 11" x 1-3/4" rear drums.
Last edited by ultraranger on Fri Oct 17, 2014 6:00 pm, edited 1 time in total.
Steve
1969 SWB F100 Ranger. 240-6, C-4, 9" N-case 31-spline Traction-Lok w/3.50 gears.
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1969 SWB F100 Ranger. 240-6, C-4, 9" N-case 31-spline Traction-Lok w/3.50 gears.
1968 Mustang. My high school car. Owned since 1982.
2003 Azure Blue Mustang Mach1.
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Mancar1
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Re: Front Drum Brakes. Take a look
The pic shows the wheel cylinder, the master is under the hood.
Course I have been in error before.
Course I have been in error before.
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Once I thought I was wrong, but I was wrong.
Life is a banquet, and every days a feast.
68 F-250 CS 390 C-6 P/S A/C front disc. 2nd owner.
2016 GMC Terrain Denali 301 HP V-6 AWD.
2009 Silverado Crew Cab, V-8, 4X4.
DD-727
DD-806
AE-35
LSD-39
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motzingg
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Re: Front Drum Brakes. Take a look
i think sarge might have been a couple beers in when posting...
although i still want to print that picture and put it up on the wall in my shop... it seems like every time i do the job it takes me a good half hour of figuring out what the heck the PO screwed up on my truck.
when i redid my fronts, the adjusters were siezed rock solid and all the adjuster hardware was totally gone. the bottom spring was hooked from shoe to shoe!
although i still want to print that picture and put it up on the wall in my shop... it seems like every time i do the job it takes me a good half hour of figuring out what the heck the PO screwed up on my truck.
when i redid my fronts, the adjusters were siezed rock solid and all the adjuster hardware was totally gone. the bottom spring was hooked from shoe to shoe!
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duaneo
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Re: Front Drum Brakes. Take a look
My 
on this topic. It's for a mustang, but should still apply.
https://www.youtube.com/watch?v=dWK7f9LriBo
and
https://www.youtube.com/watch?v=-HcnlI0KVcQ
Cheers,
Duane
on this topic. It's for a mustang, but should still apply.https://www.youtube.com/watch?v=dWK7f9LriBo
and
https://www.youtube.com/watch?v=-HcnlI0KVcQ
Cheers,
Duane
1971 F100 - Ugly on the outside, but purty under the hood...
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1968 Chevrolet Impala - Family car since 1970, My car since I was 16, in need of bodywork/paint, but otherwise straight.
2004 Mini Cooper S - Daily driver and grown up go-kart