Toyota Tundra Service Manual > Brake Booster: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER (a) OPERATING CHECK (1) Depress the brake pedal several times with the engine off and check that there is no change in the pedal reserve distance. (2) Depress the brake pedal and start the engine. If the pedal goes down slightly, operation is ...
