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Vane Pump: Reassembly

NOTE: When installing the parts indicated by arrows, coat them with power steering fluid (see VANE PUMP  ).
  1. INSTALL VANE PUMP HOUSING OIL SEAL 
    1. Apply power steering fluid to the new vane pump housing oil seal lip.
    2. Using SST and a press, press in the oil seal.

      SST 09950-60010 (09951-00180,09951-09952-06010), 09950-70010 (09951-07100) 

      NOTE:
      • Make sure that the oil seal is installed facing the correct direction.
      • Be careful not to damage the oil seal.
        Fig 1: Installing Vane Pump Housing Oil Seal
        G05291741Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL VANE PUMP SHAFT 
    1. Using snap ring pliers, install a new snap ring to the vane pump shaft.
    2. Coat the vane pump shaft with power steering fluid.
    3. Using SST, press in the vane pump shaft with the bearing.

      SST 09238-47012 

    4. Using snap ring pliers, install a new snap ring to the vane pump housing.
      Fig 2: Installing Vane Pump Shaft With SST
      G05291742Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL VANE PUMP REAR BRACKET 
    1. Coat a new long cam ring straight pin with power steering fluid and install it to the vane pump housing.
      NOTE: Be careful not to damage the cam ring straight pin.
    2. Coat 2 new O-rings with power steering fluid and install them to the vane pump side plate front.
    3. Coat the vane pump side plate front with power steering fluid.
    4. Using SST, press in the vane pump side plate front.

      SST 09238-47012 

      NOTE:
      • Make sure that the vane pump side plate front is installed facing the correct direction.
      • Be careful not to damage the O-ring.

      HINT:

      Align the wide hole of the vane pump side plate front and long cam ring straight pin.

      Fig 3: Pressing Vane Pump Side Plate Front With SST
      G05291743Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Coat a new short cam ring straight pin with power steering fluid and install it to the vane pump side plate front.
      NOTE: Be careful not to damage the short cam ring straight pin.
    6. Coat the vane pump cam ring with power steering fluid.
    7. Align the wide hole of the vane pump cam ring and long cam ring straight pin, and install the vane pump cam ring with the inscribed mark facing outward.
    8. Coat the vane pump rotor with power steering fluid.
    9. Install the vane pump rotor with the inscribed mark facing outward.
      Fig 4: Aligning Wide Hole Of Vane Pump Cam Ring And Long Cam Ring Straight Pin
      G05291744Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    10. Coat the 10 vane pump plates with power steering fluid.
    11. Install the 10 vane pump plates with the round end facing outward.
      Fig 5: Identifying Vane Pump Plates With Round End Facing Outward
      G05291745Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    12. Coat a new O-ring with power steering fluid and install it to the vane pump side plate rear.
    13. Coat the vane pump side plate rear with power steering fluid.
    14. Using a press, press in the vane pump side plate rear.
      NOTE: Be careful not to damage the O-ring.
      Fig 6: Identifying Wide Hole
      G05291746Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      Align the wide hole of the vane pump side plate rear and long cam ring straight pin.

    15. Install the wave washer so that its protrusions fit into the slots in the vane pump side plate rear.
    16. Coat a new O-ring with power steering fluid and install it to the vane pump bracket.
    17. Install the vane pump bracket to the front housing with the 4 bolts.

      Torque: 39 N*m (400 kgf*cm, 29 ft.*lbf) 

  4. INSTALL POWER STEERING SOLENOID VALVE ASSEMBLY 
    1. Coat a new O-ring with power steering fluid and install it to the flow control spring seat.
    2. Install the flow control spring seat with the bolt hole facing outward.
    3. Using snap ring pliers, install a new snap ring.
    4. Coat the flow control valve compression spring with power steering fluid and install it to the vane pump housing.
    5. Install the flow control valve, making sure it faces the correct direction (see VANE PUMP  ).
    6. Coat the power steering solenoid valve with power steering fluid.
    7. Using SST, install the power steering solenoid valve.

      SST 09922-10010 

      Torque: 51 N*m (520 kgf*cm, 38 ft.*lbf) 

      NOTE: Rotate SST in the direction shown in the illustration.

      HINT:

      Use a torque wrench with a fulcrum length of 345 mm (13.58 in.).

      Fig 7: Installing Power Steering Solenoid Valve With SST
      G05291747Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL POWER STEERING 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 to the vane pump with the 2 bolts.

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

  6. INSTALL AIR CONTROL VALVE ASSEMBLY 

    Torque: 29 N*m (300 kgf*cm, 22 ft.*lbf) 

  7. INSTALL VANE PUMP PULLEY 
    1. Using SST to stop the vane pump pulley from rotating, torque the pulley set nut.

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

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

      Fig 8: Installing Vane Pump Pulley With SST
      G05291748Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. MEASURE VANE PUMP ROTATING TORQUE 
    1. Check that the pump rotates smoothly without abnormal noise.
    2. Using a torque wrench, check the pump rotation torque.

      Torque: Standard rotation torque 

      0.25 N*m (2.5 kgf*cm, 2.2 in.*lbf) or less 

      Fig 9: Measuring Vane Pump Rotating Torque
      G05291749Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002