Brake Booster On-Vehicle Inspection


  1. INSPECT BRAKE BOOSTER ASSEMBLY

Brake Booster -- On-Vehicle Inspection



1. INSPECT BRAKE BOOSTER ASSEMBLY


  1. Airtightness check



      Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Brake System (Other).Brake System.Brake Booster On-Vehicle Inspection

    1. Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal several times.
      If the pedal can be depressed to the floor the first time, but on the 2nd and 3rd times cannot be depressed as far, the booster is airtight.

      Text in Illustration
      *a
      		CORRECT
      *b
      		INCORRECT

    2. Depress the brake pedal while the engine is running and stop the engine with the brake pedal depressed.
      If there is no change in the pedal reserve distance while holding the pedal for 30 seconds, the booster is airtight.



  1. Operation check



      Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155

    1. Depress the brake pedal several times with the ignition switch off and check that there is no change in the pedal reserve distance when the pedal is depressed.



      2. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155

    2. Depress and hold down the pedal and start the engine.
      If the pedal goes down slightly, operation is normal.