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Power Steering Vane Pump: Reassembly

NOTE: When using a vise, do not overtighten it.
  1. Coat parts indicated by arrows with power steering fluid. See  Figure . 
  2. Install vane pump shaft  .
    3. CAUTION: Be careful not to damage the straight pins.
  3. Install straight pins  .

    Using a plastic hammer, tap in 2 new straight pins.

  4. Install cam ring  :

    Align the holes of the cam ring and 2 straight pins, and install the cam ring with the inscribed mark facing outward.

    Fig 1: Locating Cam Ring Alignment Marks
    G01050842Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. Install vane pump rotor  :
    1. Install the vane pump rotor with the inscribed mark facing outward.
    2. Install a new snap ring to the vane pump shaft.
  6. Install 10 vane plates  :

    Install the 10 vane plates with the round end facing outward.

    Fig 2: Installing vane plates
    G01050843Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. Install gasket  .

    Install a new gasket.

  8. Install side plate  :

    Align the holes of the side plate and 2 straight pins and install the side plate.

  9. Install wave washer  .

    Install the wave washer so that its protrusions fit into the slots in the side plate.

    Fig 3: Identifying Wave Washer Protrusions
    G01050844Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. Install rear housing  :
    1. Coat 2 new "O" rings with power steering fluid and install them to the rear housing.
    2. Install the rear housing with the 4 bolts.

      Torque: 17 N.m (170 kgf.cm, 12 ft.lbf)  .

  11. Install spring, flow control valve and pressure port union  :
    1. Install the flow control valve facing the correct direction. See Figure.
    2. Coat a new "O" ring with power steering fluid and install it to the pressure port union.
    3. Install the pressure port union.

      Torque: 83 N.m (850 kgf.cm, 62 ft.lbf)  .

  12. Install suction port union  :
    1. Coat a new "O" ring with power steering fluid and install it to the suction port union.
    2. Install the suction port union with the bolt.

      Torque: 13 N.m (130 kgf.cm, 9 ft.lbf)  .

  13. Install front and rear brackets  :

    Install the front and rear brackets with 3 bolts and 2 nuts.

    Torque: 43 N.m (440 kgf.cm, 32 ft.lbf)  .

  14. Install vane pump pulley  :
    1. Install the vane pump pulley and nut to the vane pump shaft.
    2. Using SST, stop the pulley rotating and torque the nut.
      Fig 4: Identifying PS Vane Pump Pulley Nut
      G01050845Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

      Torque: 43 N.m (440 kgf.cm, 32 ft.lbf)  .

  15. Measure PS vane pump rotating torque. See step 1 of  DISASSEMBLY   .
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