6 replies to this topic

[DCP]

Right front outboard pad wore very quickly and unevenly. I replaced the caliper with a Raybestos rebuild and replaced the rotor and pads. Once again, the outside pad wore through in very little time.  Inboard pad barely worn.  Also seemed to have excessive drag when spinning the wheel, but that could have been wonky brakes.  The hub seemed okay, but I replaced it anyway.  Everything else in the suspension is about three years old and all seems fine.  Are there other things I should be looking at?  Thanks in advance.

[Steve Scheifler]

Is the car new to you or have you had it long enough to know that it previously wore the pads evenly?

Do you know the history of that upright/spindle and in particular whether it has been intentionally bent for more camber?

[DCP]

I've owned the car long enough to know that this is not normal. I replaced the spindle 3 years ago after a collision on that corner with a savage yard one. The front subframe and both A arms were replaced then too with salvage yard parts except that the ball joints were new from Mazda. Brake wear had been normal up to a couple of months ago. 

 

I should have mentioned that the rebuilt caliper included a bracket and pins.  So all that has been changed.

[Steve Scheifler]

That doesn't leave much. What brand pads? Do you use the four U-shaped clips and are the slots in the pads large enough for them to slide without being sloppy? I expect the answers to be yes but like I said, not much left.

[DCP]

Hawk  DTC-60, but I have never used any hardware. Perhaps that is worth a try.

[davew]

Typically, when the outer pad wears, it is a slide issue. Make sure the slides are lightly greased with a silicon based grease. Then check for bent bolts by loosening the bolt, then turn the bolt slowly with a wrench while watching the caliper. If the caliper wiggles, the bolt is bent. Slightly bent bolts will be fine for a street car, but even the smallest amount of bend will cause bind in race conditions.

 

dave

[luvin_the_rings]

We had a set of DTC-60's that did this.  Replaced the pads with new hardware, greased the sliding pins and deburred the pad ears that slide in the clips with some light sanding.  Never happened again.  

 

Still don't know what caused it. 

 

-Z