Power Steering Gear: Replacement

NOTE: When using a vise, do not overtighten it.

IF NECESSARY, REPLACE OIL SEAL AND BEARING
1. Using SST, press out the bearing and oil seal from the control valve housing.
  SST 09950-60010 (09951-00250), 09950-70010 (09951-07100)
  
  Fig 1: Pressing Out Bearing From Control Valve Housing
  Courtesy 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 that the oil seal is installed facing in the correct direction.
  
  Fig 2: Pressing In Oil Seal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Coat a new bearing with molybdenum disulfide lithium base grease.
5. Using SST, press in the bearing.
  SST 09950-60100 (09951-00350), 09950-70010 (09951-07150)
  
  Fig 3: Pressing In Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
IF NECESSARY, REPLACE OIL SEAL
1. Using SST, remove the oil seal from the bushing.
  SST 09612-24014 (09613-22011)
  
  NOTE: Be careful not to damage the bushing.
  
  HINT:
  
  As shown in the illustration, from the opposite side of SST confirm that its claws are firmly caught on the oil seal.
  
  Fig 4: Removing Oil Seal From Bushing
  Courtesy 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 (09951-00210, 09951-00340, 09952-06010), 09950-70010 (09951-07100)
  
  NOTE: Make sure that the oil seal is installed facing in the correct direction.
  
  Fig 5: Pressing In Oil Seal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
IF NECESSARY, REPLACE 2 UNION SEATS
1. Using a screw extractor, remove the union seat from the control valve housing.
  
  Fig 6: Removing Union Seat From Control Valve Housing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Using a plastic hammer and an extension bar, lightly tap in a new union seat.
3. Employ the same manner described above to the other side.
  
  Fig 7: Installing Union Seat
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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 8: Removing Teflon Ring & O-Ring From Steering Rack
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Expand a new teflon ring with your fingers.
  NOTE: Be careful not to overexpand the teflon ring.
  
  Fig 9: Expanding Teflon Ring
  Courtesy 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 10: Installing Teflon Ring To Steering Rack
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
IF NECESSARY, REPLACE 4 TEFLON RINGS
1. Using a screwdriver, remove the 4 teflon rings from the control valve assembly.
  HINT:
  
  Tape the screwdriver tip before use.
  
  NOTE: Be careful not to damage the grooves for the teflon rings.
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.
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 12: Installing SST Over Teflon Rings
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002