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Today, 10:01 AM | #1 |
Registered User
Join Date: Jul 2018
Location: Catskill Mountains,NY
Posts: 8,507
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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; Today at 03:27 PM. |
Today, 11:57 AM | #2 |
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Join Date: Jul 2018
Location: Catskill Mountains,NY
Posts: 8,507
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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. |
Today, 01:55 PM | #3 |
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Join Date: Jun 2022
Location: San Ramon,CA
Posts: 508
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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 |
Today, 03:24 PM | #4 | |
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Join Date: Jul 2018
Location: Catskill Mountains,NY
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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; Today at 03:30 PM. |
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Today, 03:37 PM | #5 |
Registered User
Join Date: Jul 2018
Location: Catskill Mountains,NY
Posts: 8,507
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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. |
Today, 08:55 PM | #6 |
Registered User
Join Date: Apr 2015
Location: East Tn (In the heart of the Smoky Mtns)
Posts: 1,872
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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 |
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