GS 350 RWD V6-3.5L (2GR-FSE) (2007)
Cover the top surface of the intake manifold with duct tape (or equivalent) to prevent foreign material from falling into the engine.
A.
Disconnect the vacuum hose from the intake air surge tank.
B.
Remove the bolt and disconnect the No. 1 vacuum switching valve assembly from the intake air surge tank.
C.
Disconnect the wire harness and hose from the surge tank.
D.
Disconnect the ventilation hose from the intake air surge tank