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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.
      1. SST 09950-60010 (09951-00260), 09950-70010 (09951-07150)
      Fig 1: Pressing Out Control Valve Housing Oil Seal & Bearings
      G02904259Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Coat a new oil seal lip with power steering fluid.
    3. Using SST, press in the oil seal.
      1. 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 In Oil Seal
      G02904260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Coat a new bearing with molybdenum disulfide lithium base grease.
    5. Using SST, press in the bearing.
    1. SST 09950-60010 (09951-00330), 09950-70010 (09951-07150)
    Fig 3: Pressing In Bearing
    G02904261Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. IF NECESSARY, REPLACE OIL SEAL 
    1. Using SST, press out the oil seal from the bearing guide nut.
      1. SST 09950-60010 (09951-00320), 09950-70010 (09951-07100)
      Fig 4: Pressing Out Bearing Guide Nut Oil Seal
      G02904262Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Coat a new oil seal lip with power steering fluid.
    3. Using SST, press in the oil seal.
    1. 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 Using SST
    G02904263Courtesy 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. Apply molybdenum disulfide lithium base grease to the inside of the bushing.
    Fig 6: Inspecting Bushing
    G02904264Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. IF NECESSARY, REPLACE BUSHING 
    1. Using a screwdriver, remove the bushing from the cylinder end stopper.
      Fig 7: Removing Cylinder End Stopper Bushing
      G02904265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE: Be careful not to damage the cylinder end stopper. 
    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 Ring & O-Ring From Steering Rack
      G02904266Courtesy 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 New Teflon Ring With Fingers
      G02904267Courtesy 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: Settling Down Ring With Fingers
    G02904268Courtesy 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 Control Valve Assembly 4 Teflon Rings
      G02904269Courtesy 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. Carefully slide the tapered end of SST over the rings until the ring fits to the steering rack.
    1. SST 09631-20081
    Fig 12: Installing Control Valve Assembly Rings & Settling Them Down With Fingers
    G02904270Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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
      G02904271Courtesy 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 Lightly New Union Seat Using Plastic Hammer & Sliding Handle
      G02904272Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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