GS 400 V8-4.0L (1UZ-FE) (1999)
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Vacuum Reservoir: Testing and Inspection
1. INSPECT VACUUM TANK
a. Check that air does not flow from ports B to A.
b. Check that air flows from ports A to B.
c. Plug port B with your finger, and apply 39.9 kPa (300 mm Hg, 11.78 in.Hg) of vacuum to port A, and check that there is no change is vacuum
after 1 minute.
If operation is not as specified, replace the tank.
2. INSPECT VSV