Brake Booster Assembly On-Vehicle Inspection; Air Tightness Check - Toyota Celica 2000 Repair Manual

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BRAKE
BRAKE BOOSTER ASSEMBLY
BRAKE BOOSTER ASSEMBLY
ON-VEHICLE INSPECTION
OPERATING CHECK
1.
Depress the brake pedal several times with the engine off
(a)
and check that there is no change in the pedal reserve
distance.
Depress the brake pedal and start the engine. If the pedal
{b)
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goes down slightly, operation is normal.
2.

AIR TIGHTNESS CHECK

Start the engine and stop it after 1 or 2 minutes. Depress
{a)
the brake pedal several limes slowly.
If the pedal goes down farthest the 1st time, but gradually rises
after the 2nd or 3rd time, the booster is air tight.
Depress the brake pedal white the engine is running, and
{b)
stop the engine with the pedal depressed. If there is no
change in the pedal reserve travel after holding the pedal
for 30 seconds, the booster is air tight.
BR-13