Sienna FWD V6-3.5L (2GR-FE) (2009)
(c) Install the vane pump plates with the round end facing outward.
NOTICE: Make sure that the vane pump plates are installed facing in the correct direction.
6. INSTALL VANE PUMP SHAFT SNAP RING
(a) Using a screwdriver and a snap ring expander, install a new vane pump shaft snap ring onto the vane pump shaft with pulley.
NOTICE: Make sure that the vane pump shaft snap ring is securely installed in the vane pump shaft groove.
7. INSTALL VANE PUMP REAR HOUSING
(a) Coat a new O-ring with power steering fluid and install it onto the vane pump rear housing.
(b) Align the straight pin of the vane pump rear housing with the notches of the vane pump cam ring, vane pump front side plate, and vane pump
front housing.