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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 319 (Steering System) >> Power Steering Vane Pump (5VZ-FE) >> Power Steering Vane Pump Disassembly

Power Steering Vane Pump 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.
  1. Measure PS vane pump rotating torque  .
    Fig 1: Determining Power Steering Vane Pump Rotating Torque
    G01095265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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: 0.23 N.m (2.8 kgf.cm, 2.4 in..lbf) or less 

  2. Remove oil reservoir  .
    1. Remove the 3 bolts and oil reservoir.
    2. Remove the "O" ring from the oil reservoir.
  3. 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.
  4. Remove the 2 bolts and bracket  .
  5. Remove rear housing  .
    1. Remove the 2 bolts and rear housing.
    2. Remove the 2 "O" rings from the rear housing.
  6. Remove wave washer  .
  7. Remove side plate  .
  8. Remove gasket  .
  9. Remove cam ring, 10 vane plates and vane pump rotor  .
    1. Using a screwdriver, remove the snap ring from the vane pump shaft.
      2. CAUTION: Take care not to drop the plate.
    2. Remove the cam ring, 10 vane plates and vane pump rotor.
  10. Remove vane pump shaft with vane pump pulley  .
  11. Remove the 2 straight pins from the front housing  .
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