BRAKE SYSTEM (OTHER)  BRAKE BOOSTER  ON-VEHICLE INSPECTION  


PROCEDURE

Hide 44610 1.INSPECT BRAKE BOOSTER ASSEMBLY

a.

Airtightness check

i.
C132722
2.438,0.146 2.896,0.552 0.458,0.406 10 *b 0.635,1.719 1.51,2.063 0.875,0.344 10 *c 0.885,1.625 1.51,1.917 0.625,0.292 10 *d 1.104,1.5 1.604,1.74 0.5,0.24 10 *e 0.802,0.146 1.385,0.458 0.583,0.313 10 *a
*a Correct
*b Incorrect
*c 1st
*d 2nd
*e 3rd


Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal several times.

If the brake pedal can be depressed nearly to the floor the first time, but on the 2nd and 3rd time cannot be depressed as far, the brake booster assembly is airtight.


ii.

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 brake pedal reserve distance while holding the brake pedal depressed for 30 seconds, the brake booster assembly is airtight.



b.

Operation check

i.
C128542

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


ii.
C128543

Depress and hold the brake pedal, then start the engine.

If the brake pedal goes down slightly, operation is normal.