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Gavin Waddell

Knocking Rear Brakes

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Gavin Waddell

I have disc brakes on the back of my 1.6gti, and when I apply light pressure to the pedal there is a constant knockin, if apply full pressure it goes away.

I had a look at the calipers and the osr seems to wiggle a bit On the the sliders pins,where as the rns doesn't budge. I checked the slider bolts and there all tight. Don't really understand how the sliders pins could develop play.

 

Thanks Gavin

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welshpug

ive had bolts torque up but not clamp the pins properly due to crap in the threads, I'd send a tap through and see what happens.

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Daviewonder

The alloy wears on the caliper where the sliders go through, resulting in play. I've had it happen on a coupe of sets of front Bendix calipers.

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Gavin Waddell

Cheers for the advice guys will take apart and clean them all up and reassemble, the thread is a m12x 1.5?

 

Gavin

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Gavin Waddell

So I took the rear caliper off cleaned the all the threads regreasd and loctite, bolted it all back up the caliper still has a bit of play on the slider. Took it for a test run and no more noise ?

Will keep an eye on it.

 

Thanks for the advice Gavin

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