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09-04-2024, 10:01 AM | #1 |
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Manual drum brake issue
I redid all the brakes on my 68 consisting of new shoes, cylinders and had the drums resurfaced last fall . The brakes pulled slightly to the right so I adjusted the shoes to full lock and then backed off till there was drag on all four. I took it out today and was on my gravel driveway . It’s a long drive so I got it up to 20-25 mph and slammed the brakes. Both passenger brakes locked up and skidded on the gravel . Drivers side didn’t even disrupt the gravel . I drove around around applying the brakes and the left front/rear got warm so I know they are active. But not working properly I’m going to pull a drum and look at the shoes anything I should look for ?
It’s puzzling that one side isn’t working but the other side works great .
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Mark 72 c20 custom camper Husky edition, 66 SS396 Chevelle 1964 Hawk, 63 Avanti,62 lark 1969 AMX , 1968 c20 stepside ,85 K20 1977 Suburban sold 68 anniversary. Last edited by 72c20customcamper; 09-04-2024 at 03:27 PM. |
09-04-2024, 11:57 AM | #2 |
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Re: Manual drum brake issue
I’m a dumb ass don’t rush doing brakes . Rear the push pin from the wheel cylinder was not engaged . Not sure what the issue was on the fronts I scuffed the rotor and shoes didn’t see any problem but I can lock up all four on blacktop now .
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Mark 72 c20 custom camper Husky edition, 66 SS396 Chevelle 1964 Hawk, 63 Avanti,62 lark 1969 AMX , 1968 c20 stepside ,85 K20 1977 Suburban sold 68 anniversary. |
09-04-2024, 01:55 PM | #3 |
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Re: Manual drum brake issue
It's been a long time since I've seen new brake shoes, but those don't look new ;-)
Good you got is sorted out
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1970 C10 Custom longbed 350/350 |
09-04-2024, 03:24 PM | #4 | |
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Re: Manual drum brake issue
Quote:
Edited the first post to reflect the time period
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Mark 72 c20 custom camper Husky edition, 66 SS396 Chevelle 1964 Hawk, 63 Avanti,62 lark 1969 AMX , 1968 c20 stepside ,85 K20 1977 Suburban sold 68 anniversary. Last edited by 72c20customcamper; 09-04-2024 at 03:30 PM. |
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09-04-2024, 03:37 PM | #5 |
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Re: Manual drum brake issue
I did the brakes last August .
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Mark 72 c20 custom camper Husky edition, 66 SS396 Chevelle 1964 Hawk, 63 Avanti,62 lark 1969 AMX , 1968 c20 stepside ,85 K20 1977 Suburban sold 68 anniversary. |
09-04-2024, 08:55 PM | #6 |
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Re: Manual drum brake issue
Though it didn’t involve my 70, (original 4 wheel drums), I went through the same struggle on my Dually. I had to replace one of the cylinders on the rear, and had that hub on and of no less than five times before I finally figured out that I forgot one of the small levers for the auto adjuster.
The conundrum was that the hubs are so bulky that I didn’t want to take the other side off to use it as a reference. In the end, that would have been a WHOLE lot easier |
09-05-2024, 12:07 AM | #7 |
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Re: Manual drum brake issue
I can't count on my fingers and toes how many brake jobs I've done over the years, but I always take a picture before I start....my memory is short but a picture is the ticket to success.
Before todays tech I had one of them polaroid instant picture cameras |
09-05-2024, 12:16 AM | #8 |
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Re: Manual drum brake issue
That's the picture that you needed to (Shake) fan it till dry.
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09-05-2024, 12:19 AM | #9 |
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Re: Manual drum brake issue
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09-05-2024, 01:57 PM | #10 |
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Re: Manual drum brake issue
This is all on me . Not doing a quick check of my own work .
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Mark 72 c20 custom camper Husky edition, 66 SS396 Chevelle 1964 Hawk, 63 Avanti,62 lark 1969 AMX , 1968 c20 stepside ,85 K20 1977 Suburban sold 68 anniversary. |
09-05-2024, 02:05 PM | #11 |
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Re: Manual drum brake issue
I find at work that the answer will become painfully obvious just AFTER I've hit enter and admitted my incompetence by asking a broad spectrum of co-workers
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1970 C10 Custom longbed 350/350 |
09-05-2024, 04:40 PM | #12 | |
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Re: Manual drum brake issue
Quote:
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1970 C10 Custom longbed 350/350 |
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09-05-2024, 04:43 PM | #13 |
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Re: Manual drum brake issue
We all have dumbass attacks sometimes.
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70 C/10 SWB 402/TH400/3.73 "The Needy Beast" 200,000 Mile Club Disc Brake Club Owner installed options: Front Sway Bar Power Steering Power Brakes Cigar Lighter Courtesy Lights Deluxe Side Markers Wiper Delay Sliding Rear Window Power Windows Power Locks Sniper EFI 2015 Silverado 1500 LS 4.3/6L80/3.23 lowered 2" front & rear |
09-06-2024, 10:59 AM | #14 |
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Re: Manual drum brake issue
Been in that exact place before, only on the fronts. It was my teenage years and that first attempt at a stop was really interesting with only one front brake grabbing.
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09-06-2024, 11:55 AM | #15 |
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Re: Manual drum brake issue
I’ve had brain flatulence - one time I changed the disc brake pads on a car (something I’ve done a lot) and as always (fortunately) I took the car for a test drive afterward - hit the brakes and heard a horrible screeching sound… turned out I had put the pads in backwards…metal against metal…Jeez….
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"It is hard to search for a black cat in a dark room, particularly if it is not there. Especially if this cat is smart, brave, and polite." Sergei Shoigu, Russian Minister of Defense |
09-06-2024, 12:08 PM | #16 |
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Re: Manual drum brake issue
Someone should start a "repair mistakes & blunders" thread. I always like reading the stories in the Rock Auto newsletters.
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70 C/10 SWB 402/TH400/3.73 "The Needy Beast" 200,000 Mile Club Disc Brake Club Owner installed options: Front Sway Bar Power Steering Power Brakes Cigar Lighter Courtesy Lights Deluxe Side Markers Wiper Delay Sliding Rear Window Power Windows Power Locks Sniper EFI 2015 Silverado 1500 LS 4.3/6L80/3.23 lowered 2" front & rear |
09-06-2024, 12:28 PM | #17 |
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Join Date: Apr 2013
Location: Podunk, Texas
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Re: Manual drum brake issue
I’ve had brain flatulence - one time I changed the disc brake pads on a car (something I’ve done a lot) and as always (fortunately) I took the car for a test drive afterward - hit the brakes and heard a horrible screeching sound… turned out I had put the pads in backwards…metal against metal…Jeez….
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"It is hard to search for a black cat in a dark room, particularly if it is not there. Especially if this cat is smart, brave, and polite." Sergei Shoigu, Russian Minister of Defense |
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