FixVault

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  ) 
  2. INSTALL VANE PUMP SHAFT WITH VANE PUMP PULLEY 
  3. INSTALL SIDE PLATE 
    1. Coat 2 new O-rings with power steering fluid, and install them to the side plate.
    2. Align the dent of the side plate with the dent of the front housing, and install the side plate.
      Fig 1: Aligning Dent Of Side Plate With Dent Of Front Housing
      G02854749Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE: Make sure that the side plate is installed facing in the correct direction.
  4. INSTALL CAM RING 
    Fig 2: Installing Cam Ring
    G02854750Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Align the dent of the cam ring with the dent of the side plate, and install the cam ring with the inscribed mark facing outward.

  5. INSTALL VANE PUMP ROTOR 
    1. Install the vane pump rotor with the inscribed mark facing outward.
    2. Fig 3: Installing Vane Pump Rotor With Inscribed Mark Facing Outward
      G02854751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install a new snap ring to the vane pump shaft.
  6. INSTALL VANE PLATES 

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

  7. INSTALL REAR HOUSING 
    1. Coat a new O-ring with power steering fluid, and install it to the rear housing.
    2. Align the straight pin of the rear housing with the dents of the cam ring, side plate and front housing, and install the rear housing with the 4 bolts.
      1. Torque: 22 N.m (220 kgf.cm, 16 ft.lbf) 
  8. INSTALL OIL PRESSURE SWITCH 
    1. Torque: 21 N.m (210 kgf.cm, 15 ft.lbf) 
  9. INSTALL SPRING, FLOW CONTROL VALVE AND PRESSURE PORT UNION 
    1. Install the spring.
    2. Install the flow control valve facing in the correct direction (See COMPONENTS )
    3. Coat a new O-ring with power steering fluid, and install it to the pressure port union.
    4. Install the pressure port union.
    1. Torque: 69 N.m (700 kgf.cm, 51 ft.lbf) 
  10. 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.
    1. Torque: 12 N.m (120 kgf.cm, 9 ft.lbf) 
  11. MEASURE PS VANE PUMP ROTATING TORQUE (See  DISASSEMBLY  )