Uneven Pad Wear

[Bad Bob]

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I found this today while repacking the front wheel bearings on the left side. The right side had even wear. What causes this and what’s the fix? I’m thinking a stuck piston?

[eskamobob1]

Could be a few things, but stuck piston is high on the list if you have non-floating calipers. How does your rotor look? If you have a floating caliper (lots of bug disc kits do) you could have a caliper that isnt centering. I would expect some break warp from that if you tend to stop hard if that was the case. Was the smaller pad on the inside or outside?

[Bad Bob]

My calipers are non-floating. The smaller pad was inside. I’ll see if I can remove the outer piston and see what’s going on in there.