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Old 04-23-2012, 05:31 PM   #1
GonicGM
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74-91 1 Ton Bendix Front Disc Brakes

I'm servicing the front brakes on a 1985 Chevrolet K30 pickup with Bendix front calipers, JB8 brake option. The calipers are retained by the spring and support key that are tapped in.

When I installed the LH caliper and hardware, the support key and spring could be pushed in by hand. The caliper bracket shows no evidence of excessive wear. The caliper is a recent replacement. I have not yet tried another caliper yet. I'm not yet at the point where I feel it is necessary to replace the caliper or bracket.

Somewhere I had encountered a service proceedure to measure the gap between the support key and the caliper. The result of that measurement led to selection of the proper support key and that the support keys were available in varying thicknesses to optimize that gap. Now that I need it, I can lo longer find this information.

Where can I view or find this proceedure? Where can I purchase the support keys in vaying thicknesses?
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83 K30 SRW 350 TH400 NP205 4.10 9' Fisher
85 K30 SRW 350 TH400 NP205 4.10
83 K2500 350 TH700R4 8600GVW Dual Tank 4.10
1973 Cheyenne Super 30 DRW Std Cab Z83 4.10
1986 D30 CUCV M1008 Project
1976 Silverado C30 Std Cab 4.10 DRW (4 sale)
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Old 04-23-2012, 06:18 PM   #2
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http://coloradok5.com/forums/showthread.php?t=289463
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2wd resto mod 5.3/4l60e powered : http://coloradok5.com/forums/showthread.php?t=296680
stubby j.r. : http://coloradok5.com/forums/showthread.php?t=309865
project stubby crew cab : http://coloradok5.com/forums/showthread.php?t=245582
diy4x custom dash : http://coloradok5.com/forums/showthread.php?t=284383
snap-on tool box : http://coloradok5.com/forums/showthread.php?t=225524
. . .WHEN I WAN'T YOUR OPINION I WILL REMOVE THE DUCT TAPE ! ! !
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Old 04-23-2012, 08:37 PM
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waybad1
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Man I've worked on many trucks with those brakes over
the years and never had to shim one.
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Old 04-23-2012, 08:42 PM
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live and work in the rust belt . . . . . it brings on the off the wall stuff.
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2wd resto mod 5.3/4l60e powered : http://coloradok5.com/forums/showthread.php?t=296680
stubby j.r. : http://coloradok5.com/forums/showthread.php?t=309865
project stubby crew cab : http://coloradok5.com/forums/showthread.php?t=245582
diy4x custom dash : http://coloradok5.com/forums/showthread.php?t=284383
snap-on tool box : http://coloradok5.com/forums/showthread.php?t=225524
. . .WHEN I WAN'T YOUR OPINION I WILL REMOVE THE DUCT TAPE ! ! !
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Old 04-24-2012, 04:50 AM
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Quote:
Originally Posted by sweetk30 View Post

Thank you. This is exactly what I was looking for!
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83 K30 SRW 350 TH400 NP205 4.10 9' Fisher
85 K30 SRW 350 TH400 NP205 4.10
83 K2500 350 TH700R4 8600GVW Dual Tank 4.10
1973 Cheyenne Super 30 DRW Std Cab Z83 4.10
1986 D30 CUCV M1008 Project
1976 Silverado C30 Std Cab 4.10 DRW (4 sale)
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