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Power Steering Gear: Replacement

  1. IF NECESSARY, REPLACE OIL SEAL AND BEARING 
    1. Using SST, press out the oil seal and bearing from the control valve housing.

      SST 09950-60010 (09951-00260), 09950-70010 (09951-07150)

      Fig 1: Pressing Out Oil Seal And Bearing From Control Valve Housing
      G02827356Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Coat a new oil seal lip with power steering fluid.
    3. Using SST, press in the oil seal.

      SST 09950-60010 (09951-00180, 09951-00330, 09952-06010), 09950-70010 (09951-07150)

      NOTE: Make sure to install the oil seal facing in the correct direction.
      Fig 2: Pressing Oil Seal For Installation
      G02827357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Coat a new bearing with molybdenum disulfide lithium base grease.
    5. Using SST, press in the bearing.

    SST 09950-60010 (09951-00330), 09950-70010 (09951-07150)

    Fig 3: Pressing Bearing
    G02827358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. IF NECESSARY, REPLACE OIL SEAL 
    1. Using SST, press out the oil seal from the bearing guide nut.

      SST 09950-60010 (09951-00320), 09950-70010 (09951-07100)

      Fig 4: Pressing Out Oil Seal From Bearing
      G02827359Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Coat a new oil seal lip with power steering fluid.
    3. Using SST, press in the oil seal.

    SST 09950-60010 (09951-00280, 09951-00360, 09952-06010), 09950-70010 (09951-07100)

    NOTE: Make sure to install the oil seal facing in the correct direction.
    Fig 5: Pressing In Oil Seal
    G02827360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSPECT BUSHING 
    1. Check the inside of the bushing of the cylinder end stopper for cracks. If faulty, replace the bushing.
    2. Fig 6: Inspecting Bushing For Cracks
      G02827361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Apply molybdenum disulfide lithium base grease to the inside of the bushing.
  4. IF NECESSARY, REPLACE BUSHING 
    1. Using a screwdriver, remove the bushing from the cylinder end stopper.
      NOTE: Be careful not to damage the cylinder end stopper.
      Fig 7: Removing Bushing From Cylinder End Stopper
      G02827362Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Coat the inside of a new bushing with molybdenum disulfide lithium base grease.
    3. Install the bushing.
  5. IF NECESSARY, REPLACE TEFLON RING AND O-RING 
    1. Using a screwdriver, remove the teflon ring and O-ring from the steering rack.
      Fig 8: Removing Teflon O-Ring
      G02827363Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE: Be careful not to damage the groove for the ring.
    2. Coat a new O-ring with power steering fluid and install it.
    3. Expand a new teflon ring with your fingers.
      NOTE: Be careful not to overexpand the ring.
      Fig 9: Expanding Teflon Ring With Finger
      G02827364Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Coat the ring with power steering fluid.
    5. Install the ring to the rack, and settle it down with your fingers.
      Fig 10: Installing Ring On Rack
      G02827365Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. IF NECESSARY, REPLACE TEFLON RINGS 
    1. Using a screwdriver, remove the 4 teflon rings from the control valve assembly.
      Fig 11: Removing Teflon Rings from Control Valve Assembly
      G02827366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE: Be careful not to damage the grooves for the ring.
    2. Expand 4 new rings with your fingers.
      NOTE: Be careful not to overexpand the ring.
    3. Coat the rings with power steering fluid.
    4. Install the rings to the control valve assembly, and settle them down with your fingers.
    5. Fig 12: Setting Rings Onto Control Valve Assembly
      G02827367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Carefully slide the tapered end of SST over the rings until the ring fits to the steering rack.

      SST 09631-20081

      NOTE: Be careful not to damage the rings.
    7. IF NECESSARY, REPLACE UNION SEAT 
      1. Using a screw extractor, remove the union seat from the control valve housing.
        Fig 13: Removing Union Seat From Control Valve Housing
        G02827368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Using plastic hammer and sliding handle, lightly tap in a new union seat.
      NOTE: Before installing the union seat, remove dust sticking to the control valve housing.
      Fig 14: Tapping In Union Seat
      G02827369Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002