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Vane Pump: Reassembly

NOTE: When installing parts, coat the parts indicated by arrows with power steering fluid (See VANE PUMP  ).
  1. INSTALL VANE PUMP HOUSING OIL SEAL 
    1. Coat the lip of a new oil seal with power steering fluid.
    2. Using SST and a press, press in the oil seal.

      SST 09950-60010 (09951-00280), 09950-70010 (09951-07100) 

      NOTE: Make sure that the oil seal is installed facing in the correct direction as shown in the illustration.
      Fig 1: Installing Vane Pump Housing Oil Seal
      G04978692Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL VANE PUMP SHAFT WITH VANE PUMP PULLEY 
    1. Coat the inside surface of the bushing in the vane pump front housing with power steering fluid.
    2. Gradually insert the vane pump shaft with vane pump pulley.
      NOTE:
      • Do not damage the lip of the oil seal in the front housing.
      • Wrap protective tape around the spline of the vane pump shaft with vane pump pulley in order to prevent damage to the oil seal.
      Fig 2: Inserting Vane Pump Shaft With Vane Pump Pulley
      G04978693Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL VANE PUMP FRONT SIDE PLATE 
    1. Coat a new O-ring with power steering fluid and install it into the front housing.
      Fig 3: Locating Vane Pump Front Side Plate O-Ring
      G04978694Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Coat a new O-ring with power steering fluid and install it onto the front side plate.
      Fig 4: Locating Front Side Plate O-Ring
      G04978695Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Align the notch of the front side plate with the notch of the front housing, and install the front side plate.
      NOTE: Make sure that the front side plate is installed facing in the correct direction.
      Fig 5: Aligning Notch Of Front Side Plate
      G05761973Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL VANE PUMP CAM RING 
    1. Align the notch of the cam ring with the notch of the front side plate and install the cam ring with the inscribed mark facing upward.
      NOTE: Make sure that the cam ring is installed facing in the correct direction.
      Fig 6: Aligning Notch Of Cam Ring With Notch Of Front Side Plate
      G05761974Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL VANE PUMP ROTOR 
    1. Install the vane pump rotor.

      HINT:

      The vane pump rotor can be installed in both directions.

    2. Coat the 10 vane pump plates with power steering fluid.
      Fig 7: Installing Vane Pump Rotor
      G04978698Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the vane pump plates with the round end facing outward.
      NOTE: Make sure that the vane pump plates are installed facing in the correct direction.
      Fig 8: Installing Vane Pump Plates
      G04978699Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL VANE PUMP SHAFT SNAP RING 
    1. Using a screwdriver and snap ring expander, install a new shaft snap ring onto the vane pump shaft.
      NOTE:
      • Do not expand the shaft snap ring any further than needed.
      • Make sure that the shaft snap ring is completely fit into the groove.
      • Do not damage the vane pump rotor and shaft.
      Fig 9: Installing Shaft Snap Ring
      G04978700Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL VANE PUMP REAR HOUSING 
    1. Coat a new O-ring with power steering fluid and install it onto the rear housing.
      Fig 10: Identifying Vane Pump Rear Housing O-Ring
      G04978701Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Align the straight pin of the rear housing with the notches of the cam ring, front side plate and front housing.
      NOTE: Make sure that the O-ring is not protruding anywhere when installing the vane pump rear housing.
      Fig 11: Aligning Straight Pin Of Rear Housing
      G05761979Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the rear housing with the 4 bolts.

      Torque: 22 N*m (224 kgf*cm, 16 ft.*lbf) 

  8. INSPECT TOTAL PRELOAD  (See INSPECTION  )
    Fig 12: Identifying Vane Pump Rear Housing Bolts
    G04978676Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSTALL FLOW CONTROL VALVE ASSEMBLY 
    1. Coat the flow control valve with power steering fluid.
    2. Install the compression spring and flow control valve to the front housing.
      NOTE: Do not mistake the direction of the control valve.
    3. Coat a new O-ring with power steering fluid and install it onto the pressure port union.
    4. Install the pressure port union to the front housing.

      Torque: 69 N*m (704 kgf*cm, 51 ft.*lbf) 

      Fig 13: Identifying Flow Control Valve, O-Ring And Pressure Port Union
      G05160266Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. FIX VANE PUMP ASSEMBLY 
    1. Using SST, fix the vane pump in a vise.

      SST 09630-00014 (09631-00132) 

  11. INSTALL POWER STEERING SUCTION PORT UNION 
    1. Coat a new O-ring with power steering fluid and install it to the suction port union.
      Fig 14: Installing Vane Pump In Vise
      G05160264Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the suction port union to the vane pump with the bolt.

      Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf) 

      Fig 15: Identifying Power Steering Suction Port Union
      G05160265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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