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Uneven brake pad wear

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Uneven brake pad wear

Post by Shanestrait » Mon Mar 18, 2019 9:52 am

While replacing belt and front brake pads, I noticed tapered wear on all front pads. As simple fix as replacing caliper?

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Re: Uneven brake pad wear

Post by oragex » Mon Mar 18, 2019 11:45 am

What do you mean by tapered? I'd replace the caliper only when the piston is hard to push back with the bleeder open. Perhaps undo first the sliders from their bushings, clean everything and use a bit of PTFE silicone grease.

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Re: Uneven brake pad wear

Post by Rattnalle » Mon Mar 18, 2019 11:48 am

Probably new slider bushings are a good and cheap investment of you do take it apart. They usually come with the correct grease.

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Re: Uneven brake pad wear

Post by Shanestrait » Mon Mar 18, 2019 11:49 am

Tapered as in, both pads have more considerably more wear on one end than the other. If you were to look at them lengthwise.

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Re: Uneven brake pad wear

Post by abscate » Mon Mar 18, 2019 12:45 pm

That does not sound good - can you try post a picture?

If the piston isn't straight in the caliper bore, that is not going to end well
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Re: Uneven brake pad wear

Post by Shanestrait » Mon Mar 18, 2019 12:49 pm

I put it back on but here is an internet photo showing the wear I have.

https://s3.amazonaws.com/assets.knowyou ... d-Wear.jpg

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Re: Uneven brake pad wear

Post by Rattnalle » Mon Mar 18, 2019 12:53 pm

abscate wrote:
Mon Mar 18, 2019 12:45 pm
That does not sound good - can you try post a picture?

If the piston isn't straight in the caliper bore, that is not going to end well
It'd get stuck if it wasn't straight though. Based on the picture I'm guessing worn bushings causing the entire caliper to tilt when braking.

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Re: Uneven brake pad wear

Post by Shanestrait » Mon Mar 18, 2019 1:13 pm

Thanks or the input so far. For what it's worth - one of the dust covers was missing.

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Re: Uneven brake pad wear

Post by Shanestrait » Mon Mar 18, 2019 1:29 pm

I should also note there is a fairly slight but noticable tremor when braking and also at medium high speeds.

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Re: Uneven brake pad wear

Post by abscate » Mon Mar 18, 2019 2:19 pm

Shanestrait wrote:
Mon Mar 18, 2019 12:49 pm
I put it back on but here is an internet photo showing the wear I have.

https://s3.amazonaws.com/assets.knowyou ... d-Wear.jpg
Put a straight edge on the pad surface and see how close the metal backing plate is to the rotor. When it is within 2mm, you need new pads. Its close now.
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