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Car Problem Reports

Mitsubishi Diamante Brake Pedal Pulsation

 
Mitsubishi Diamante Problem
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Model Years Affected: 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004

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A brake pedal pulsation may be noted on brake apply. This is commonly caused by warping of the front brake rotors. Our technicians remind us that re-machining (turning) the rotors can correct this issue but the repair may last only a short time as the thinner rotors would be even more prone to warping. Replacement of faulty rotors with high quality parts is often the best option in these situations.

  • Visitor, , 104,000 mi

    same description, pulsing at pedal, checked thickness of rotors for variance, checked runout (warped?) and found to be about .005-.006.removed & cleaned rotors and hub with 3M scotch pads & lacquer thinner. Sanded rotor working surface with sandpaper. Repositioned rotors until runout was within .003, coated with thin coat of spray lub like WD40 @ mating surfaces with a rag and tested.
    Smooth as a babies skin. Believe the problem was the trivial rust and paint (had painted w/caliper paint to protect from rust) which was worn off unevenly and runout (warped) of rotor.

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