Power Steering Gear: Replacement

WARNING: This page is about a different car, the 2002 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

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

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(09951-00250),09950-70010 (09951-07150)
  
  Fig 1: Removing Control Valve Housing Oil Seal
  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, 09951-00320,09952-06010), 09950-70010 (09951-07150).
  
  NOTE: Make sure to install the oil seal facing in the correct direction.
  
  Fig 2: Installing Control Valve Housing 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 09950-60010 (09951-00340),09950-70010(09951-07150)
  
  Fig 3: Installing Control Valve Housing Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If necessary, replace 2 bearings .
1. Using SST, press out the bearing.
  SST 09950-60010(09951-00260),09950-70010 (09951-07150)
  
  Fig 4: Removing Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Using SST, press out the bearing from the rack housing.
  SST 09950-60010 (09951-00260),09950-70010 (09951-07200)
  
  Fig 5: Removing Rack Housing Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Coat a new bearing with molybdenum disulfide lithium base grease.
4. Using SST, press in the bearing.
  SST 09950-60010 (09951-00310),09950-70010 (09951-07150)
  
  Fig 6: Installing Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Coat a new bearing with molybdenum disulfide lithium base grease.
6. Using SST, press in the bearing.
  SST 09950-60010 (09951-00320),09950-70010 (09951-07150)
  
  Fig 7: Installing Rack Housing Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If necessary, replace oil seal .
1. Using SST, remove the oil seal from the bushing. SST 09527-20011, 09612-24014 (09613-22011).
  CAUTION: Be careful not to damage the bushing.
  
  Fig 8: Removing Bushing Oil Seal
  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 (09951-00300, 09951-00460,09952-06010).
  NOTE: Make sure to install the oil seal facing in the correct direction.
  
  Fig 9: Installing Bushing Oil Seal
  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.
  CAUTION: 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 steering rack.
  
  Fig 10: Removing "O" Ring From Teflon Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Expand a new teflon ring with your fingers.
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 & Settling Teflon Ring
  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.
  CAUTION: Be careful not to damage the grooves for the teflon ring.
  
  Fig 13: Removing Teflon Rings
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Expand 4 new teflon rings with your fingers.
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
  
  CAUTION: Be careful not to damage the teflon rings.
  
  Fig 14: Identifying SST 09631-20081 & Locating Teflon Rings
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002