08-10-2014, 03:25 AM
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CC Member
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Join Date: Oct 2012
Posts: 160
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Not Ranked
been a while.time for an update.
still cant figure this thing out.
have pulled the the diff out and checked caliper mounting alignment and disc runout. again, all seems ok. parallel and runout below .004"
down to last few theories.
1) change pad material and brand
2) pad to caliper free play is .016" in direction of rotation. not sure if this is too much. its possible the pad is doing what I suspected at first and gripping ,being driven against the lower stop, letting go bouncing back, gripping etc and so on several times a second until it gets more load on it to hold it solid.
3) have found the stub axles spline with a bit of wear. wondering if the are chattering inside the diff centre with certain load on it and pivoting off the stub axle bearing? have the early series 2 ball bearing stuba xles if that makes a difference.
still cant believe im the only one experiencing this.
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