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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 bearing and oil seal from the control valve housing.
      1. SST 09950-60010 (09951-00240), 09950-70010 (09951-07100)
        Fig 1: Removing Bearing & Oil Seal From Control Valve Housing Using SST
        G00893473Courtesy 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, 09951-00320, 09952-06010), 09950-70010 (09951-07150)
      NOTE: Make sure that the oil seal is installed facing in the correct direction. 
      Fig 2: Installing Oil Seal Using SST
      G00893474Courtesy 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 (09951-00340), 09950-70010 (09951-07150)
        Fig 3: Installing Bearing Using SST
        G00893475Courtesy 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 (09951-00310), 09950-70010 (09951-07100)
      Fig 4: Removing Oil Seal Using SST
      G00893476Courtesy 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 (09951-00250, 09951-00360, 09952-06010), 09950-70010 (09951-07100)
      NOTE: Make sure that the oil seal is installed facing in the correct direction. 
      Fig 5: Installing Oil Seal Using SST
      G00893477Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. IF NECESSARY, REPLACE UNION SEAT 
    1. Using a screw extractor, remove the union seat from the control valve housing.
      Fig 6: Removing Union Seat From Control Valve Housing Using Screw Extractor
      G00893478Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a plastic hammer and extension bar, lightly tap in a new union seat.
      Fig 7: Installing Union Seat Using Plastic Hammer & Extension Bar
      G00893479Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. 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 8: Inspecting Inside Of Bushing Of Cylinder End Stopper For Cracks
      G00893480Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. 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. 
    2. Coat the inside of a new bushing with molybdenum disulfide lithium base grease.
    3. Install the bushing.
      Fig 9: Removing Bushing From Cylinder End Stopper Using Screwdriver
      G00893481Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. 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 the steering rack.
      Fig 10: Removing Teflon Ring & O-Ring From Steering Rack Using Screwdriver
      G00893482Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Expand a new teflon ring with your fingers.
      NOTE: Be careful not to overexpand the teflon ring. 
      Fig 11: Expanding Teflon Ring With Fingers
      G00893483Courtesy 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
      G00893484Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Carefully slide the tapered end of SST over the teflon ring until it fits to the steering rack.
      1. SST 09630-24014 (09620-24051)
      NOTE: Be careful not to damage the teflon ring. 
      Fig 13: Fitting Teflon Ring Using SST
      G00893485Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. IF NECESSARY, REPLACE 4 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 overexpand 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 14: Removing Teflon Rings From Control Valve Assembly By Using Screwdriver
      G00893486Courtesy 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.
      1. SST 09631-20081
      NOTE: Be careful not to damage the teflon rings. 
      Fig 15: Installing Teflon Rings To Control Valve Assembly
      G00893487Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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