 Brake plates question, Which way around do these plates go and are they needed? |
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| frostyf |
 Feb 2 2021, 04:53 PM
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#1
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Member  Group: Members Posts: 153 Joined: 27-March 14 From: VA 23455 Member No.: 17,168 Region Association: MidAtlantic Region 
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After some leaks from my front M callipers and some advice on stock brake balancing from Eric, I've reverted to stock calipers up front.
Just rebuilding the seals, and the kit comes with these plates.   Are they supposed to attach between the brake piston and pad? Are they essential? Which side goes against the piston? Has anyone got a close up photo of one fitted - can't find any photos or diagrams on the world or pelican?? Nick |
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| bandjoey |
Feb 2 2021, 06:08 PM
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#2
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bandjoey Group: Members Posts: 4,926 Joined: 26-September 07 From: Bedford Tx Member No.: 8,156 Region Association: Southwest Region |
My understand theyre needed and snap onto the piston. They adjust the pad clearance I think. I'm sure someone more knowledgeable will chime in.
Here's the pro on brakes.... https://www.pmbperformance.com call and Eric will help |
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| frostyf |
Feb 2 2021, 10:43 PM
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#3
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Member Group: Members Posts: 153 Joined: 27-March 14 From: VA 23455 Member No.: 17,168 Region Association: MidAtlantic Region
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QUOTE(bandjoey @ Feb 2 2021, 07:08 PM)  My understand theyre needed and snap onto the piston. They adjust the pad clearance I think. I'm sure someone more knowledgeable will chime in. Here's the pro on brakes.... https://www.pmbperformance.com call and Eric will help Thanks for that, I've squashed them into the recess in the brake piston and put the pads and retaining pins in - seems okay! |
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| bdstone914 |
Feb 3 2021, 08:17 AM
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#4
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bdstone914 Group: Members Posts: 4,522 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
@frostyf
Thanks for that, I've squashed them into the recess in the brake piston and put the pads and retaining pins in - seems okay! [/quote] If the pistons are correctly clocked they snap right in. The recess in the piston is to prevent wedge shape wear on the pads. |
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| frostyf |
Feb 3 2021, 10:22 AM
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#5
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Member Group: Members Posts: 153 Joined: 27-March 14 From: VA 23455 Member No.: 17,168 Region Association: MidAtlantic Region
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[quote name='bdstone914' date='Feb 3 2021, 09:17 AM' post='2887990']
@frostyf Thanks for that, I've squashed them into the recess in the brake piston and put the pads and retaining pins in - seems okay! [/quote] If the pistons are correctly clocked they snap right in. The recess in the piston is to prevent wedge shape wear on the pads. [/quote] Thanks Bruce, I did need to tweak the tabs slightly to get them to slot in okay. I didn't have these on the M calipers and wanted to make sure I got them on right! |
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| barefoot |
Feb 4 2021, 09:35 AM
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#6
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Senior Member Group: Members Posts: 1,275 Joined: 19-March 13 From: Charleston SC Member No.: 15,673 Region Association: South East States
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See the orientation post in the classics forum
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