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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.

      SST 09950-60010 (09951-00250), 09950-70010 (09951-07150)

      Fig 1: Replacing Oil Seal & Bearing
      G02931691Courtesy 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, 09951-00320, 09952-06010), 09950-70010 (09951-07150)

      NOTE: Make sure to install the oil seal facing in the correct direction.
      Fig 2: Installing Oil Seal
      G02931692Courtesy 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 (09951-00340), 09950-70010 (09951-07150)

      Fig 3: Installing Bearing
      G02931693Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. IF NECESSARY, REPLACE 2 BEARINGS 
    1. Using SST, press out the bearing.

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

      Fig 4: Removing Bearings
      G02931694Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using SST, press out the bearing from the rack housing.

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

      Fig 5: Removing Bearing From Rack Housing
      G02931695Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Coat a new bearing with molybdenum disulfide lithium base grease.
    4. Using SST, press in the bearing.

      SST 09950-60010 (09951-00310), 09950-70010 (09951-07150)

      Fig 6: Installing Bearing
      G02931696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Coat a new bearing with molybdenum disulfide lithium base grease.
    6. Using SST, press in the bearing.

      SST 09950-60010 (09951-00320), 09950-70010 (09951-07150)

      Fig 7: Installing Bearing
      G02931697Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. IF NECESSARY, REPLACE OIL SEAL 
    1. Using SST, remove the oil seal from the bushing.

      SST 09527-2001 1, 09612-24014 (09613-22011)

      NOTE: Be careful not to damage the bushing.
      Fig 8: Removing Oil Seal From Housing
      G02931698Courtesy 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 (09951-00300, 09951-00460, 09952-06010)

      NOTE: Make sure to install the oil seal facing in the correct direction.
      Fig 9: Installing Oil Seal
      G02931699Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. IF NECESSARY, REPLACE TEFLON RING AND O-RING 
    1. Using a screwdriver, remove the teflon ring and O-ring from the steering rack.
      NOTE: Be careful not to damage the groove for the teflon ring.
    2. Coat a new O-ring with power steering fluid and install it to steering rack.
      Fig 10: Removing Teflon Ring & O-Ring From Steering Rack
      G02931700Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Expand a new teflon ring with your fingers.
      NOTE: Be careful not to over-expand the teflon ring.
      Fig 11: Expanding New Teflon Ring
      G02931701Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Coat the teflon ring with power steering fluid.
    5. Install the teflon ring to the steering rack, and settle it down with your fingers.
      Fig 12: Installing Teflon Ring To Steering Rack
      G02931702Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. IF NECESSARY, REPLACE TEFLON RINGS 
    1. Using a screwdriver, remove the 4 teflon rings from the control valve assembly.
      NOTE: Be careful not to damage the grooves for the teflon ring.
    2. Expand 4 new teflon rings with your fingers.
      NOTE: Be careful not to over-expand the teflon ring.
    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.
      Fig 13: Removing Teflon Ring From Control Valve Assembly
      G02931703Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Carefully slide the tapered end of SST over the teflon rings until they fit to the control valve assembly.

      SST 09631-20081

      NOTE: Be careful not to damage the teflon rings.
      Fig 14: Installing Teflon Ring To Control Valve Assembly
      G02931704Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002