Power Steering Gear: Replacement

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

Replace oil seal of rack housing.
1. Using SST, press out the oil seal.
  SST 09950-60010 (09951-00210, 09951-00240, 09952-06010) 09950-70010 (09951-07360)
  
  Fig 1: Removing Rack Housing Oil Seal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE: Do not damage the rack housing.
2. Coat a new oil seal lip with power steering fluid.
3. Install the oil seal to SST, and press them into the rack housing.
  SST 09950-60010 (09951-00210, 09951-00380, 09952-06010), 09950-70010 (09951-07360)
  NOTE:
  - Make sure that the oil seal is installed facing in the correct direction.
    
    Fig 2: Identifying Proper Oil Seal Installation Direction
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  - Take care that the oil seal does not get reversed as you install it.
Replace oil seal and bearing of control valve housing.
1. Using SST, press out the bearing and oil seal from the control valve housing.
  SST 09950-60010 (09951-00260), 09950-70010 (09951-07100)
2. Coat a new oil seal lip with power steering fluid.
  
  Fig 3: Replacing Control Valve Housing Oil Seal & Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Using SST, press in the oil seal.
  SST 09950-60010 (09951-00180, 09951-00330, 09952-06010), 09950-70010 (09951-07100)
  
  Fig 4: Pressing In Oil Seal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE: Make sure that the oil seal is installed facing in the correct direction.
4. Coat a new bearing with molybdenum disulfide lithium base grease.
5. Using SST, press in the bearing.
  SST 09950-60010 (09551-00190, 09951-00340, 09952-06010), 09950-70010 (09951-07100)
  
  Fig 5: Using SST To Press In Control Valve Housing Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Replace No.1 bearing of rack housing.
1. Using a screwdriver and hammer, tap out the No. 1 bearing from the rack housing.
  
  Fig 6: Removing Rack Housing No.1 Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Coat a new bearing with molybdenum disulfide lithium base grease.
3. Using SST, press in the No.1 bearing.
  SST 09950-60010 (09951-00220, 09951-00320, 09951-00420, 09951-00430, 09952-06010), 09950-70010 (09951-07100)
  
  Fig 7: Pressing In New Rack Housing No.1 Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Replace No. 2 bearing of rack housing.
1. Using SST and a hammer, tap out the No. 2 bearing from the rack housing.
  SST 09950-70010 (09951-07100)
  
  Fig 8: Removing Rack Housing No.2 Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Coat a new bearing with molybdenum disulfide lithium base grease.
3. Using SST, press in the No. 2 bearing.
  SST 09950-60010 (09951-00280, 09951-00420, 09951-00430, 09952-06010), 09950-70010 (09951-07100)
  
  Fig 9: Pressing In New Rack Housing No.2 Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Replace oil seal of steering rack bushing.
1. Using SST, remove the oil seal from the bushing.
  SST 09612-24014 (09613-22011)
  
  Fig 10: Using SST To Remove Steering Rack Bushing Oil Seal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  CAUTION: Be careful not to damage the bushing.
  
  NOTE: As shown in Fig 10, from the opposite side of SST confirm that its claws are firmly caught on the oil seal.
2. Coat a new oil seal lip with power steering fluid.
3. Using SST, press in the oil seal.
  SST 09950-60010 (09951-00210, 09951-00350, 09952-06010)
  
  Fig 11: Using SST To Press In Oil Seal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE: Make sure that the oil seal is installed facing in the correct direction.
Replace teflon ring and o-ring of steering rack.
1. Using a screwdriver, remove the teflon ring and O-ring from the steering rack.
  
  Fig 12: Removing Steering Rack Teflon Ring & O-Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  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.
3. Expand a new teflon ring with your fingers.
  
  Fig 13: Expanding New Teflon Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE: Be careful not to overexpand the teflon ring.
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 14: Installing Steering Rack Teflon O-Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Replace teflon rings of control valve assembly.
1. Using a screwdriver, remove the 4 teflon rings from the control valve assembly.
  
  Fig 15: Removing Control Valve Assembly Teflon Rings
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  CAUTION: 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
  
  Fig 16: Using SST To Fit Teflon Rings Into Control Valve Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE: Be careful not to damage the teflon rings.