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Old 03-25-2018, 02:02 PM   #664
GMC Guy
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Join Date: May 2009
Location: Sparks, NV
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Re: D52 Caliper Rear Disc Brake Brackets

Quote:
Originally Posted by Suprmn78 View Post
I found the problem. The intermediate bracket, the thickest one, is 4-1/2 inches wide on one side which allows for play against the back of the axle flange and 4-3/8 inches wide on the other which doesn’t allow for any play. Both brackets are this way. It’s as if the lazer cutter (or whatever was used) was not completely vertical while cutting them. I’ll take the one side to the shop and grind it down evenly and hopefully that works. It should. Just thought I’d give you a heads up Cap.
I also had to grind the inside of the intermediate bracket where it meets the axle flange, in order to get it to fit flush. aligning all the brackets was somewhat tricky. I chalked it up to small discrepancies in my particular axle. Also, had to grind down the “lip” of the outer pad, as it was grinding on the rotor hat.

*Pictures are turned funny, calipers are clocked in the correct position*
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1974 GMC
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