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05-28-2012, 05:15 PM | #1 |
20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,722
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Short / Long brake shoe Q
Research says that in *most* cases, the primary (short) shoe goes to the front, and the secondary (long) shoe goes to the rear.
Is there any reason my K20 (with GM Corporate HO52 and 2.75" shoes) would be different? I'm asking because my truck has the long shoe on the front, short shoe on the rear. Last person to work on the brakes was a local mechanic who's no longer in the area. I now have time to do it myself. Just want to be sure I get the new shoes on correctly. My Clymer manual is no help....
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
05-28-2012, 05:44 PM | #2 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Short / Long brake shoe Q
over 50years doin brakes never seen one that required the bigun up front
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05-28-2012, 06:15 PM | #3 |
20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,722
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Re: Short / Long brake shoe Q
That's kinda what I thought but it's nice to have it verified. I usually just put everything back the way I find it -- but not this time. Thanks, Cliff.
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
05-28-2012, 06:43 PM | #4 |
Registered User
Join Date: Jan 2011
Location: Lynn Haven Florida
Posts: 1,019
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Re: Short / Long brake shoe Q
unless same size, the big one always goes to rear
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05-28-2012, 08:45 PM | #5 |
Senior Member
Join Date: Feb 2011
Location: Clovis Ca.
Posts: 632
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Re: Short / Long brake shoe Q
This helped me a lot. http://www.pbase.com/nufsed/drumbrake
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I'm sorry I called you stupid. I thought you knew already. 67 C-20 Custom Camper 68 Nova 396 it does wheelies 2005 Buick Century the one the wife drives 1989 Toyota Tercel to drive when I can't put gas in the first 2. |
05-28-2012, 10:12 PM | #6 |
20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,722
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Re: Short / Long brake shoe Q
^^ Coincidentally, I ran across that site earlier today while looking for info. Bookmarked - thanks.
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
07-15-2013, 01:03 PM | #7 |
Registered User
Join Date: Apr 2013
Location: Knoxville TN
Posts: 1,170
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Re: Short / Long brake shoe Q
Per GMC Maintenance Manual X-6023:
"Duo-Servo type...truck Series 1000...primary (front) shoe...The primary shoe (with short lining) must be toward front of vehicle..." "NON-SERVO TYPE...used only at front axle on Series K1000...The shoe with the shorter lining must be to the rear of the vehicle..." |
07-15-2013, 02:28 PM | #8 |
Registered User
Join Date: Feb 2012
Location: Mission Viejo, CA
Posts: 1,856
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Re: Short / Long brake shoe Q
i just got new shoes last month and they were both the same size.
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