Brake Pedal (For Vacuum Brake Booster) Adjustment


  1. CHECK BRAKE PEDAL HEIGHT

  2. CHECK BRAKE PEDAL FREE PLAY

  3. CHECK BRAKE PEDAL RESERVE DISTANCE

Brake Pedal (For Vacuum Brake Booster) -- Adjustment



1. CHECK BRAKE PEDAL HEIGHT


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Brake System (Other).Brake System.Brake Pedal (For Vacuum Brake Booster)  Adjustment
  1. Check the brake pedal height.

    Standard Pedal Height from Dash Panel:
    Item
    Specified Condition
    for LHD
    157.2 to 167.2 mm (6.19 to 6.58 in.)
    for RHD
    160.2 to 170.2 mm (6.31 to 6.71 in.)
    Text in Illustration
    *a
    Pedal Height
    *1
    Clevis Lock Nut
    *2
    Stop Light Switch Assembly
  1. Adjust the brake pedal height.

    1. Disconnect the stop light switch connector.

    2. Remove the stop light switch assembly.

    3. Loosen the push rod clevis lock nut.

    4. Adjust the brake pedal height by turning the push rod.

    5. Tighten the push rod clevis lock nut.

      Torque:
      26 N*m{265 kgf*cm, 19 ft.*lbf}
    6. Insert the stop light switch into the adjuster mounting until the switch body touches the brake pedal.

      NOTICE:
      Do not depress the brake pedal.
    7. Turn the switch a quarter turn clockwise.

      Torque:
      1.5 N*m{15 kgf*cm, 13 in.*lbf} or less
      NOTICE:
      Do not depress the pedal.
    8. Connect the connector to the switch.

    9. Check the switch clearance.

      Stop light switch clearance:
      1.5 to 2.6 mm (0.0591 to 0.0984 in.)


2. CHECK BRAKE PEDAL FREE PLAY


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Brake System (Other).Brake System.Brake Pedal (For Vacuum Brake Booster)  Adjustment
  1. Stop the engine. Depress the brake pedal several times until no vacuum is left in the brake booster. Release the brake pedal.

    Text in Illustration
    *a
    Pedal Free Play
  1. Depress the pedal until a slight resistance is felt. Measure the distance as shown in the illustration.
    If the pedal free play is not as specified, check the stop light switch clearance.

    Pedal free play:
    1.0 to 6.0 mm (0.0394 to 0.236 in.)
    HINT:
    Check the brake pedal free play at the same location as that used when checking the brake pedal height.


3. CHECK BRAKE PEDAL RESERVE DISTANCE
HINT:
Measure the distance from the same point as that used for the brake pedal height inspection.
  1. Release the parking brake.

  1. With the engine running, depress the brake pedal and measure the pedal reserve distance.

    Standard Pedal Reserve Distance from the asphalt sheet at 490 N (50 kgf, 110.2 lbf):
    Item
    Specified Condition
    for LHD (Manual Transmission)
    More than 102 mm (4.02 in.)
    for LHD (Automatic Transmission)
    More than 105 mm (4.13 in.)
    for RHD
    More than 108 mm (4.25 in.)
    If the distance is not as specified, troubleshoot the brake system.
    HINT:
    Insert a ruler into the slit to measure the pedal reserve distance.