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Home >> Lexus >> 2011 >> IS 250 AWD V6-2.5L (4GR-FSE) >> Repair and Diagnosis >> Brakes and Traction Control >> Power Brake Assist >> Vacuum Brake Booster >> Testing and Inspection >> Inspection

Inspection





BRAKE: BRAKE BOOSTER: INSPECTION

1. INSPECT VACUUM CHECK VALVE

(a) Inspect the vacuum check valve.

(1) Remove the vacuum check valve.

(2) Check that there is ventilation from the booster to the engine, and no ventilation from the engine to the booster.





HINT
If any fault is found, replace the vacuum check valve.