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Power Steering Gear: Replacement

NOTE: When using a vise, do not overtighten it.
  1. If necessary, replace oil seal and bearing  :
    1. Using SST, press out the oil seal and bearing from the control valve housing.
      Fig 1: Pressing Control Valve Housing Oil Seal & Bearing Out
      G01050870Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      SST 09950-60010 (09951-00250), 09950-70010 (09951-07200)

    2. Coat a new oil seal lip with power steering fluid.
      3. NOTE: Make sure that the oil seal is installed facing in the correct direction.
      Fig 2: Pressing Oil Seal In
      G01050871Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using SST, press in the oil seal.

      SST 09950-60010 (09951-00180, 09951-00320, 09952-06010), 09950-70010 (09951-07200)

    4. Coat a new bearing with molybdenum disulfide lithium base grease.
    5. Using SST, press in the bearing.
      Fig 3: Pressing Bearing In
      G01050872Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      SST 09950-60010 (09951-00340), 09950-70010 (09951-07200)

  2. If necessary, replace 2 bearings  :
    1. Using a brass bar and a hammer, tap out the bearing from the rack housing.
      Fig 4: Removing Rack Housing Bearing (1 Of 2)
      G01050873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using SST, press out the bearing from the rack housing.
      Fig 5: Removing Rack Housing Bearing (1 Of 2)
      G01050874Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      SST 09950-60010 (09951-00260), 09950-70010 (09951-07200)

    3. Coat a new bearing with molybdenum disulfide lithium base grease.
    4. Using SST, press in the bearing.
      Fig 6: Installing Rack Housing Bearing (1 Of 2)
      G01050875Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      SST 09950-60010 (09951-00310), 09950-70010 (09951-07200)

    5. Coat a new bearing with molybdenum disulfide lithium base grease.
    6. Using SST, press in the bearing.
      Fig 7: Installing Rack Housing Bearing (1 Of 2)
      G01050876Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      SST 09950-60010 (09951-00320), 09950-70010 (09951-07200)

  3. If necessary, replace oil seal  :
      CAUTION: Be careful not to damage the bushing.
      Fig 8: Separating Oil Seal & Bushing
      G01050877Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using SST, remove the oil seal from the bushing.

      SST 09527-20011, 09612-24014 (09613-22011)

    2. Coat a new oil seal lip with power steering fluid.
      3. NOTE: Make sure that the oil seal is installed facing in the correct direction.
      Fig 9: Pressing Oil Seal Into Bushing
      G01050878Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using SST, press in the oil seal.

      SST 09950-60010 (09951-00240, 09951-00400, 09952-06010)

  4. If necessary, replace teflon ring and "O" ring  :
      CAUTION: Be careful not to damage the groove for the teflon ring.
    1. Using a screwdriver, remove the teflon ring and "O" ring from the steering rack.
    2. Coat a new "O" ring with power steering fluid and install it.
      Fig 10: Removing Steering Rack Teflon Ring & "O" Ring
      G01050879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. NOTE: Be careful not to over expand the ring.
      Fig 11: Expanding New Steering Rack Teflon Ring
      G01050880Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Expand a new teflon ring with your fingers.
    4. Coat the ring with power steering fluid.
    5. Install the ring to the steering rack, and settle it down with your fingers.
      Fig 12: Installing Steering Rack Teflon "O" Ring
      G01050881Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. If necessary, replace teflon rings  :
      CAUTION: Be careful not to damage the grooves for the teflon ring.
      Fig 13: Removing Control Valve Assembly Teflon Rings
      G01050882Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using a screwdriver, remove the teflon rings from the control valve assembly.
      2. CAUTION: Be careful not to over expand the teflon ring.
    2. Expand 4 new teflon rings with your fingers.
    3. Coat the teflon rings with power steering fluid.
    4. Install the teflon rings to the control valve assembly, and settle them down with your fingers.
      5. CAUTION: Be careful not to damage the teflon rings.
      Fig 14: Using Special Service Tool To Fit Teflon Rings Into Control Valve Assembly
      G01050883Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Carefully slide the tapered end of SST over the teflon rings until the teflon rings fit to the control valve assembly.

      SST 09631-20081

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