Power Steering Vane Pump (2UZ-FE): Disassembly

WARNING: This page is about a different car, the 2002 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: When using a vise, do not overtighten it.

Measure PS vane pump rotating torque .
1. Check that the pump rotates smoothly without abnormal noise.
2. Temporarily install the bolt.
3. Using a torque wrench, check the pump rotating torque.
  Rotating torque: 0.28 N.m (2.8 kgf.cm, 2.4 in..lbf) or less
  
  Fig 1: Determining Power Steering Vane Pump Rotating Torque
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Remove the bolt and suction port union .
Remove the "O" ring from the union.
Remove the pressure port union, flow control valve and spring .
Remove the "O" ring from the pressure port union.
Remove the 4 bolts and rear housing .
Remove the 2 "O" rings from the rear housing.

NOTE: If the wave washer and side plate are stuck to the rear housing, lightly tap the rear housing with a plastic hammer, and remove the wave washer and side plate.
Remove wave washer .
Remove side plate .
Remove gasket .
Remove cam ring, 10 vane plates and vane pump rotor .
1. Using a screwdriver, remove the snap ring from the vane pump shaft.
2. Remove the cam ring, 10 vane plates and vane pump rotor.
Remove vane pump shaft with vane pump pulley .
Remove the 2 straight pins from the front housing .