Brake pedal pulsates

1. Brake pedal pulsates diagnostics

Excessive horizontal rotor runout

  • Inspect for rotor runout.
  • Replace if it exceeds the specified value.

Excessive rotor thickness variation

  • Inspect for rotor thickness variation.
  • Replace if it exceeds the specified value.

Excessive end play of the hub bearing

  • Replace.

Reversed pad installation direction

  • Replace the pad.
  • Repair the rotor as necessary.

Excessive wear on the brake drum

  • Measure the drum inner diameter, and grind as necessary.
  • Replace if it exceeds the specified value.