Murano AWD V6-3.5L (VQ35) (2003)
Vacuum Brake Booster: Testing and Inspection
On-Vehicle Service
On-Vehicle Service
OPERATING CHECK
With the engine stopped, change the vacuum to the atmospheric pressure by depressing the brake pedal several times. Then with brake pedal fully
depressed, start the engine and when the vacuum pressure reaches the standard, make sure the clearance between the brake pedal and floor panel
decreases.
CAUTION: Depressing pedal interval is approximately 5 seconds.
AIRTIGHT CHECK
Testing Brake Booster
Start engine, and stop if after one minute. Depress brake pedal several times slowly. The pedal should go further down the first tie, and then if should
gradually rise thereafter.
Depress brake pedal while engine is running, and stop engine with pedal depressed. The pedal stroke should not change after holding pedal down for 30
seconds.
CAUTION: Depressing brake pedal interval is approximately 5 seconds.