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Home >> Lexus >> 2003 >> RX 300 AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes Mechanical >> Adjustments >> Brake Pedal Height & Free Play

Brake Pedal Height & Free Play

  1. Measure pedal height from floor board to face of pedal pad. See BRAKE PEDAL HEIGHT & FREE PLAY SPECIFICATIONS  table. If pedal height is incorrect, go to next step.
  2. Remove undercover panel, lower pad and air duct.
  3. Disconnect stop light switch wiring harness connector. Loosen stoplight switch lock nut, and remove stoplight switch.
  4. Loosen brake pedal-to-power brake unit push rod lock nut.
  5. Adjust pedal height by turning brake pedal push rod.
  6. Tighten push rod lock nut to specification. See TORQUE SPECIFICATIONS .
  7. Install stop light switch and connect brake light switch wiring harness connector.
  8. Push in brake pedal .2-.39" (5-10 mm) and turn stop light switch to lock the nut in position where brake light goes off.
  9. After installation, push in brake pedal .2-.39" (5-10 mm) and check that brake light illuminates.
  10. Stop engine. Depress brake pedal several times until power brake unit is depleted. Push brake pedal by hand until a second point of resistance is felt, then measure the difference. Ensure pedal free play is as specified. See BRAKE PEDAL HEIGHT & FREE PLAY SPECIFICATIONS  table.
  11. Install instrument panel components as necessary.
BRAKE PEDAL HEIGHT & FREE PLAY SPECIFICATIONS

Application In. (mm)
Brake Pedal Height 7.878-8.272 (200.1-210.1)
Brake Pedal Free Play 0.04-0.24 (1-6)