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Old 03-27-2008, 10:23 PM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
 
Join Date: Mar 2008
Posts: 20,534
Mein Auto: 02 BMW 525i M54 auto 130K
Is the wear limit for the parking brake shoes listed anywhere?

Is the wear limit for the parking brake shoes listed anywhere?

The Bentley shop manual that comes with the car simply lists the "pad" wear limit at 0.120 inch.It says nothing (that I saw) about the parking brake shoe wear limit.

For example, my parking brake shoe metal plate was almost exactly 0.1005 inches while the semicircular parking brake shoes (plate + pad) were uniformly 0.2375 inches so that leaves us with a pad thickness of 0.137 inches (without the shoe's backing plate).

Is 0.2375 inches (or is it 0.1370 inches?) within spec for the brake shoe friction material?

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