VANE PUMP (for 1UR-FE) REASSEMBLY

Note

When installing parts, coat the parts indicated by arrows with power steering fluid Click here.


  1. INSTALL VANE PUMP HOUSING OIL SEAL


    1. Coat the lip of a new oil seal with power steering fluid.

    2. A0156JXE01

      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.

  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. A01564XE02
      Text in Illustration
      *1 Protective Tape

      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.

  3. INSTALL VANE PUMP FRONT SIDE PLATE


    1. A01585D

      Coat a new O-ring with power steering fluid and install it into the front housing.

    2. A015A77

      Coat a new O-ring with power steering fluid and install it onto the front side plate.

    3. A015CY4E03
      Text in Illustration
      *a Align

      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.

  4. INSTALL VANE PUMP CAM RING


    1. Coat the vane pump cam ring with power steering fluid.

    2. A0155WCE03
      Text in Illustration
      *a Align
      *b Inscribed Mark

      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.

  5. INSTALL VANE PUMP ROTOR


    1. Coat the vane pump rotor with power steering fluid.

    2. A0155K4

      Install the vane pump rotor.

      Tech Tips

      The vane pump rotor can be installed in both directions.

    3. Coat the 10 vane pump plates with power steering fluid.

    4. A0158PSE02
      Text in Illustration
      *a Round End
      *b Outward

      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.

  6. INSTALL VANE PUMP SHAFT SNAP RING


    1. A015CFVE01

      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.

  7. INSTALL VANE PUMP REAR HOUSING


    1. A0156W7

      Coat a new O-ring with power steering fluid and install it onto the rear housing.

    2. A0155USE05
      Text in Illustration
      *a Align

      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.

    3. A015E5X

      Install the rear housing with the 4 bolts.

      Torque:
      22 N*m  { 224 kgf*cm, 16 ft.*lbf }

  8. INSPECT TOTAL PRELOAD


    1. Check that the pump rotates smoothly without abnormal noise.

    2. Temporarily install a service bolt.

      Recommended service bolt
      Thread diameter
      10 mm (0.394 in.)
      Thread pitch
      1.25 mm (0.0492 in.)
      Bolt length
      50 mm (1.97 in.)
    3. A01589KE13
      Text in Illustration
      *1 Service Bolt

      Using a torque wrench, measure the pump rotating torque.

      Standard rotating torque
      0.3 N*m (3 kgf*cm, 2 in.*lbf) or less

      If the rotating torque is not as specified, check the vane pump housing oil seal.

  9. INSTALL FLOW CONTROL VALVE ASSEMBLY


    1. A0157E8

      Coat the flow control valve, pressure port union and spring 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 }

  10. FIX VANE PUMP ASSEMBLY


    1. A0156W2E01

      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.

    2. A0158YB

      Install the suction port union to the vane pump with the bolt.

      Torque:
      12 N*m  { 122 kgf*cm, 9 ft.*lbf }