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

2004 Toyota Matrix XR, FWD, StandardSECTION 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  .
    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
      G01095287Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Remove the bolt and suction port union  .

    Remove the "O" ring from the union.

  3. Remove the pressure port union, flow control valve and spring  .

    Remove the "O" ring from the pressure port union.

  4. 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.
  5. Remove wave washer  .
  6. Remove side plate  .
  7. Remove gasket  .
  8. 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: Be careful not to drop the plates.
    3. Remove the cam ring, 10 vane plates and vane pump rotor.
  9. Remove vane pump shaft with vane pump pulley  .
  10. Remove the 2 straight pins from the front housing  .
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.