Rick's Free Auto Repair Advice

Posts Tagged: warped rotors

Cause of brake lateral runout and DTV

What causes brake lateral runout, pedal pulsation and DTV? Sloppy brake installation is the #1 cause of brake lateral runout When you encounter a pedal pulsation when applying the brakes, most wanna-be gear-heads will tell you the cause is warped rotors. That’s bullshit. Brake rotors really don’t warp. What causes the brake vibration is really disc thickness variation (see this post on disc thickness variation) which is caused by lateral run-out. Sloppy brake installation is the root cause. Not cleaning corrosion off the wheel hub is the #1 cause of … Read More

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