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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 COMPONENTS  under POWER STEERING VANE PUMP.
  2. Install vane pump shaft with bearing  :
    1. Wind vinyl tape on the serrated part of the vane pump shaft.
      2. CAUTION: Be careful not to damage the oil seal.
    2. Using SST, press in the vane pump shaft with the bearing. SST 09608-04031.
    3. Using snap ring pliers, install a new snap ring to the front housing.
    3. CAUTION: Be careful not to damage the pins.
    Fig 1: Locating & Identifying Vane Pump Shaft Components
    G01083018Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Using a plastic hammer, tap in 2 new straight pins to the front housing. 
    4. NOTE: Align the holes of the cam ring with the 2 straight pins.
  4. Install the cam ring with the inscribed mark facing outward. 
  5. Install the vane pump rotor with the inscribed mark facing outward. 
    Fig 2: Installing Vane Pump Rotor
    G01083019Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. Install 10 vane plates and gasket  :
    1. Install the 10 vane plates with the round end facing outward.
      2. CAUTION: Be careful of the direction of the gasket.
      Fig 3: Installing Vane Plates
      G01083020Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install a new gasket on the front housing.
  7. Install side plate  :
    1. Coat a new O-ring with power steering fluid and install it to the side plate.
    2. Align the holes of the side plate and 2 straight pins, and install the side plate.
  8. Install the wave washer so that its protrusions fit into the slots in the side plate. 
    Fig 4: Installing Wave Washer
    G01083021Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. Install rear housing  :
    1. Coat a new O-ring with power steering fluid and install it to the rear housing.
    2. Install the rear housing with the 4 bolts. Torque: 24 N.m (240 kgf.cm, 17 ft.lbf)  .
  10. Install spring and flow control valve  :
    1. Install the spring.
    2. Install the flow control valve facing in the correct direction. See COMPONENTS  under POWER STEERING VANE PUMP.
  11. Install pressure port union  :
    1. Coat a new O-ring with power steering fluid and install it to the pressure port union.
    2. Install the pressure port union. Torque: 83 N.m (850 kgf.cm, 61 ft.lbf)  .
  12. Install new gasket on each side of the pressure feed No. 1 tube.  Install the pressure feed No. 1 tube with the union bolt.Torque: 69 N.m (700 kgf.cm, 51 ft.lbf)  .
  13. 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 2 union set bolts. Torque: 13 N.m (130 kgf.cm, 10 ft.lbf)  .
    3. Install the bolt to the bracket of the suction port union. Torque: 43 N.m (440 kgf.cm, 32 ft.lbf)  .
  14. Measure PS vane pump rotating torque. See step   1  in DISASSEMBLY under POWER STEERING VANE PUMP. 
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