Hey everyone - long time lurker, first time poster.
I have a 1999 Mazda Protege, 1.6L engine, at about 110,000 miles. For
the life of me I can't get this problem figured out: The front
driver's side front brake rotor keeps warping. The warpage is so bad
that you can hear "wonka, wonka, wonka" as the car goes down the road-
the "wonka" being the sound the caliper makes as it travels in and out
along the *entire* distance on the caliper pins. I've replaced the
caliper, the pads, the rotor multiple times- including once with a HD
Mazda OEM version, flushed the brake system, etc- nothing helps. When
I replace the rotor, it only takes about 150 miles or so for it to
warp again.
When I brake, the car does not appreciably pull to the left. And the
caliper and rotor do not appear to be heat damaged- as I would expect
them to be if there was too much braking force being applied to just
that one caliper. There *is* pulsation in the brake pedal, but not
much. The pads on the passenger side & the shoes in the rear appear to
be wearing evenly, and the brake dust accumulation looks even as
well.
I am thoroughly stumped, as is every mechanic I take it to. Any
ideas?
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