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Vane Pump: Disassembly

  1. HOLD VANE PUMP ASSEMBLY 
    1. Using SST, hold the vane pump assembly in a vise.

      SST 09630-00014 (09631-00132) 

      Fig 1: Holding Vane Pump Assembly In Vise
      G04978719Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE POWER STEERING SUCTION PORT UNION 
    1. Remove the bolt and the power steering suction port union from the vane pump assembly.
    2. Using a screw driver, remove the O-ring from the power steering suction port union.
      Fig 2: Identifying Power Steering Suction Port Union Bolt
      G04978720Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE POWER STEERING FLUID PRESSURE SWITCH 
    1. Remove the power steering fluid pressure switch from the vane pump assembly.
      NOTE: Perform this procedure only when the power steering fluid pressure switch is replaced.
      Fig 3: Locating Power Steering Fluid Pressure Switch
      G04978674Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE FLOW CONTROL VALVE ASSEMBLY 
    1. Remove the pressure port union.
    2. Remove the O-ring from the pressure port union.
    3. Remove the flow control valve assembly and the flow control valve compression spring.
      Fig 4: Identifying Flow Control Valve Assembly
      G04978675Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE VANE PUMP REAR HOUSING 
    1. Remove the 4 bolts and vane pump rear housing from the vane pump front housing.
      Fig 5: Locating Vane Pump Rear Housing Bolts
      G04978676Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a screwdriver, remove the O-ring from the vane pump rear housing.

      HINT:

      Tape the screwdriver tip before use.

      Fig 6: Removing O-Ring From Vane Pump Rear Housing
      G04978677Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE VANE PUMP SHAFT WITH PULLEY 
    1. Using 2 screwdrivers, remove the vane pump shaft snap ring from the vane pump shaft with pulley.
    2. Remove the vane pump shaft with pulley.
      Fig 7: Removing Snap Ring From With Pulley Shaft Sub-Assembly
      G04978725Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE VANE PUMP ROTOR 
    1. Remove the 10 vane pump plates.
    2. Remove the vane pump rotor.
      Fig 8: Identifying Vane Pump Rotor
      G04978679Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE VANE PUMP CAM RING 
    1. Remove the vane pump cam ring from the vane pump front housing.
      Fig 9: Identifying Vane Pump Cam Ring
      G04978680Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE VANE PUMP FRONT SIDE PLATE 
    1. Remove the vane pump front side plate from the vane pump front housing.
      Fig 10: Identifying Vane Pump Front Side Plate
      G04978681Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a screwdriver, remove the O-ring from the vane pump front side plate.

      HINT:

      Tape the screwdriver tip before use.

      Fig 11: Removing O-Ring From Vane Pump Front Side Plate
      G04978682Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the O-ring from the vane pump front housing.
      Fig 12: Locating O-Ring
      G04978683Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE VANE PUMP HOUSING OIL SEAL 
    1. Using a screwdriver and a shop rag or a piece of cloth, remove the vane pump housing oil seal.
      NOTE: Be careful not to damage the vane pump front housing.
      Fig 13: Removing Vane Pump Housing Oil Seal
      G04978684Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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