Sienna LE V6-3.0L (1MZ-FE) (1998)
4. Inspect spring.
Using a calipers, measure the free length of the spring.
Minimum free length: 32.3 mm (1.272 inch)
If it is not within the specification, replace the spring.
5. If necessary, replace oil seal.
a. Using a screwdriver with vinyl tape wound around its tip, remove the oil seal.
NOTICE: Be careful not to damage the front housing.
b. Coat a new oil seal lip with power steering fluid.
c. Using SST 09950-60010 (09951-00330), 09950-70010 (09951-07100), press in the oil seal.
NOTICE: Make sure to install the oil seal facing the correct direction.
REASSEMBLY
NOTICE: hyphen using a vise, do not overtighten it.
1. Coat with power steering fluid.
2. Install vane pump shaft.
3. Install straight pins.
Using a plastic hammer, tap in 2 new pins.
NOTICE: Be careful not to damage the pins.
4. Install cam ring.
Align the holes of the ring and 2 straight pins, and install the ring with the inscribed mark facing outward.