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05-20-2007, 07:10 PM
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#1 |
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Registered User
Join Date: Jan 2004
Location: Whitehorse YK Canada
Posts: 2,651
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Thickness of brake shoe material
How thick should the pad be on a brake shoe on a 69 GMC 1/2 ton?
I am pulling the drums for inspection. The brakes were working fine but I want to know that they are fine before I put it on the road. How thick are new shoes and how thin should they go before replacing?
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Blaine 59 GMC 9314 a.k.a. Whoopee 68 C20 50th Anniversary a.k.a. The Rat http://www.flickr.com/photos/northerngmc/ http://www.members.tripod.com/P-wee/index_032.htm 1.61803 is one H of a lot better than 3.14159, no really it is! |
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05-20-2007, 07:23 PM
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#2 |
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Rolled on Paint Club
 
Join Date: Jan 2006
Location: Windham, CT.
Posts: 232
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Re: Thickness of brake shoe material
I dont know how thick they are, but here is a pic of one of mine after rebuilding:
Bob 
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1970 GMC 1500 swb fleetside SB 355ci. Smog heads Summit 1102 cam Performer intake and carb. Finally in about 1 piece in the yard. |
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05-20-2007, 07:25 PM
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#3 |
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Senior Member
Join Date: Feb 2001
Location: Ridgecrest. CA, USA
Posts: 1,715
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Re: Thickness of brake shoe material
About how much are you guys paying for the pads? Mine are due! Thanks,
Respectfully
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Billy   1970 GMC Sierra Grande 402/TH400 (Longhorn)14 years and counting rebuild! 1975 (Build) Chevrolet SWB 4X4 350 SB Lifted 6 inches 1970 Ford F250 Ranger 390 BB 2010 Ford Super Duty F250 XLT W/4 inch lift kit and Pro Comp Tires Hub Cap Freak!    I need another truck like I need another hole in the head!I'M IN THE MARKET...AS IT WERE! |
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05-20-2007, 07:39 PM
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#4 | |
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Senior Member
Join Date: Dec 2006
Location: Studio City, Calif.
Posts: 2,861
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Re: Thickness of brake shoe material
Quote:
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'69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, 2nd owner, Work-Truck supreme. Best $300 I ever spent. |
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05-20-2007, 07:43 PM
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#5 |
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sufficiently talented fool
Join Date: Jun 2006
Location: Forest Hill, MD
Posts: 2,231
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Re: Thickness of brake shoe material
Minimum thickness requirements vary from state to state for inspection purposes. Here in MD, It is 2/32from the web on bonded shoes, and 2/32 above the rivets on riveted shoes. New shoe thickness on the trucks is somewhere around 6/32.
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"it's impossible to be surrounded by idiots when you are part of the circle" 2003 Suburban 2002 Pontiac Montana 1981 Corvette 1966 Impala Convertible Click here to support the board |
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05-20-2007, 08:47 PM
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#6 |
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Senior Member
Join Date: Dec 2006
Location: Studio City, Calif.
Posts: 2,861
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Re: Thickness of brake shoe material
I stand corrected. Info was from the infamous "Haynes" manual.
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'69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, 2nd owner, Work-Truck supreme. Best $300 I ever spent. |
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05-20-2007, 10:56 PM
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#7 |
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Registered User
Join Date: Jan 2004
Location: Whitehorse YK Canada
Posts: 2,651
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Re: Thickness of brake shoe material
Thanks everyone.
I justed measured and I have about 5/32 of brake lining so I think I will just repack the wheel bearing, new wheel seals, clean everything up and readjust.
__________________
Blaine 59 GMC 9314 a.k.a. Whoopee 68 C20 50th Anniversary a.k.a. The Rat http://www.flickr.com/photos/northerngmc/ http://www.members.tripod.com/P-wee/index_032.htm 1.61803 is one H of a lot better than 3.14159, no really it is! |
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