ES 350 V6-3.5L (2GR-FE) (2007)
COMPONENTS (Part 4)
INSPECTION
1. INSPECT VACUUM CHECK VALVE
(a)
Inspect the vacuum check valve.
(1) Slide the clip and disconnect the vacuum hose.
(2) Remove the vacuum check valve.
(3) Check that there is ventilation from the booster to the engine, and no ventilation from the engine to the booster. If the results are not as
specified, replace the brake booster assembly.