Highlander 2WD L4-2.4L (2AZ-FE) (2001)
a. Using a screwdriver, remove the snap ring from the vane pump shaft.
b. Remove the w/pulley shaft sub-assembly
16. REMOVE VANE PUMP ROTOR
a. Remove the 10 vane plates.
b. Remove the vane pump rotor.
17. REMOVE VANE PUMP CAM RING
18. REMOVE VANE PUMP SIDE PLATE FRONT
a. Remove the side plate front from the pump housing front.
b. Remove the O-ring from the side plate front.
c. Remove the O-ring from the pump housing front.
19. REMOVE VANE PUMP HOUSING OIL SEAL
a. Using a screwdriver with vinyl tape wound around its tip, remove the oil seal.
NOTICE: Be careful not to damage the pump housing.
20. INSPECT OIL CLEARANCE
a. Using a micrometer and a caliper gauge, measure the oil seal clearance.
Standard clearance: 0.021 - 0.043 mm (0.0008 - 0.0017 inch)
Maximum clearance: 0.07 mm (0.0028 inch)
If it is more than the maximum, replace the vane pump assembly
21. INSPECT VANE PUMP ROTOR AND VANE PLATES