Sienna AWD V6-3.3L (3MZ-FE) (2004)
/Page-1254012.png)
32. REMOVE POWER STEERING CYLINDER TUBE OIL SEAL
a. Using SST and a press, remove the cylinder tube oil seal.
SST 09950-70010 (09951-07360), 09950-60010 (09951-00290)
33. REMOVE RACK STEERING PISTON RING
a. Using a screwdriver, remove the rack steering piston ring and O-ring.
NOTICE: Be careful not to damage the grooves for rack steering piston ring.
34. INSPECT POWER STEERING RACK
a. Using a dial indicator, check the power steering rack for runout and for teeth wear and damage.
Maximum runout: 0.3 mm (0.012 inch)
If necessary, replace the rack & pinion power steering gear assy.
b. Check the back surface for wear and damage.
If necessary, replace the rack & pinion power steering gear assy.
35. INSTALL RACK STEERING PISTON RING
a. Coat a new O-ring with power steering fluid and install it onto the power steering rack.
b. Expand a new rack steering piston ring with your fingers.
NOTICE: Be careful not to over expand the rack steering piston ring.
