Power Steering Gear: Replacement

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 (09951-00260), 09950-70010 (09951-07150)
  
  Fig 1: Pressing Out Oil Seal & Bearing From Control Valve Housing Using SST
  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 to install the oil seal facing in the correct direction.
  
  Fig 2: Pressing In Oil Seal Using SST
  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 09950-60010 (09951-00330), 09950-70010 (09951-07150)
  
  Fig 3: Pressing In Bearing Using SST
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
IF NECESSARY, REPLACE OIL SEAL
1. Using SST, press out the oil seal from the bearing guide nut.
  SST 09950-60010 (09951-00320), 09950-70010 (09951-07100)
  
  Fig 4: Pressing Out Oil Seal From Bearing Guide Nut Using SST
  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 (09951-00280, 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
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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.
  
  Fig 7: Removing Bushing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Coat the inside of a new bushing with molybdenum disulfide lithium base grease.
3. Install the bushing.
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 ring.
  
  Fig 8: Removing Teflon Ring & O-Ring From Steering Rack
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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 Teflon Ring
  Courtesy 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: Installing Ring To Rack
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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 ring.
  
  Fig 11: Removing Teflon Rings
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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.
  SST 09631-20081
  
  NOTE: Be careful not to damage the rings.
  
  Fig 12: Sliding Tapered End Of SST Over Rings
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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
  Courtesy 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 Union Seat Using Plastic Hammer
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002