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Power Steering Vane Pump: Disassembly

WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: When using a vise, do not overtighten it.
  1. Measure PS vane pump rotating torque:
    1. Check that the pump rotates smoothly without abnormal noise.
    2. Using a torque wrench, check the pump rotating torque.
      Fig 1: Determining Power Steering Vane Pump Rotating Torque
      G01102383Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Rotating torque: 0.3 N.m (2.8 kgf.cm., 2.4 in. lbf) or less.

  2. Remove vane pump pulley:
    1. Using SST, stop the pulley rotating and loosen the nut.
    2. Remove the nut and vane pump pulley from the vane pump shaft.

      SST 09960-10010 (09962-01000, 09963-01000)

    Fig 2: Locating Nut & Removing Vane Pump Pulley
    G01102384Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Remove the 3 bolts, 2 nuts, front and rear brackets.
  4. Remove suction port union:
    1. Remove the bolt and suction port union.
    2. Remove the O-ring from the suction port union.
  5. Remove pressure port union, flow control valve and spring:
    1. Remove the pressure port union, flow control valve and spring.
    2. Remove the O-ring from the pressure port union.
  6. Remove rear housing:
    1. Remove the 4 bolts and rear housing.
    2. Remove the 2 O-rings from the rear housing.
  7. Remove wave washer.
  8. Remove side plate.
  9. Remove gasket.
  10. Remove cam ring, 10 vane plates and vane pump rotor:
      CAUTION: Take care not to drop the plate.
    1. Remove the cam ring and 10 vane plates.
    2. Using a screwdriver, remove the snap ring and vane pump rotor from the vane pump shaft.
  11. Remove vane pump shaft.
  12. Remove the 2 straight pins from the front housing.
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