Rick's Free Auto Repair Advice

Posts Tagged: Vibration when braking — Causes and fixes

Brake pulsation judder caused by DTV

Car vibrates, brake pulsation caused by DTV Brake pedal pulsation is  the #1 cause of brake complaints. The vibration is almost always caused by poor/sloppy brake installation practices. Brake pedal vibration or pulsation is most often caused by disc thickness variation (DTV), not “warped rotors” Brake rotors don’t warp. That’s a myth. It never happens. Yet even professional technicians refer to DTV as rotor warp. To understand why rotor warp is impossible, see this post If the brake rotor doesn’t sit perfectly parallel with the wheel hub or the knuckle … Read More

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