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Home >> Lexus >> 2007 >> LX 470 >> Repair and Diagnosis >> Steering >> Power Steering >> Power Steering >> Power Steering Gear >> Disassembly

Power Steering Gear: Disassembly

NOTE: When using a vise, do not overtighten it.
  1. FIX POWER STEERING GEAR ASSEMBLY 
    1. Using SST, fix the gear assembly in a vise, as shown in the illustration.

      SST 09630-00014 (09631-00142) 

      Fig 1: Fixing Gear Assembly In Vise
      G04064202Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE TURN PRESSURE TUBE ASSEMBLY 
    1. Using SST, remove the 2 tubes.

      SST 09023-38201 

      Fig 2: Removing Tubes Using SST
      G04064203Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE CLIP, RACK BOOT AND CLAMP 
    1. Using pliers, loosen the clamp, as shown in the illustration.
      NOTE: Be careful not to damage the boot.
    2. Remove the clip, rack boot and clamp.
    3. Use the same procedure described above for the other side.
      Fig 3: Removing Clip Using Pliers
      G04064204Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      Mark the RH and LH rack boots.

  4. REMOVE STEERING RACK END 
    1. Using a screwdriver and hammer, shake back the washer.
      NOTE: Avoid any impact to the steering rack.
      Fig 4: Shaking Back Washer Using Screwdriver
      G04064205Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a spanner to hold the steering rack steady, and using SST, remove the rack end.

      SST 09922-10010 

      NOTE: Use SST 09922-10010 in the direction shown in the illustration.
    3. Remove the claw washer.
    4. Use the same procedure described above for the other side.

      HINT:

      Mark the RH and LH rack boots.

      Fig 5: Holding Steering Rack Steady, Using SST
      G04064206Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE RACK GUIDE SPRING CAP LOCK NUT 
    1. Using SST, remove the lock nut.

      SST 09922-10010 

      NOTE: Use SST 09922-10010 in the direction shown in the illustration.
      Fig 6: Removing Lock Nut Using SST
      G04064207Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE RACK GUIDE SPRING CAP 
  7. REMOVE RACK GUIDE SPRING AND RACK GUIDE SUB-ASSEMBLY 
  8. REMOVE DUST COVER 
  9. REMOVE CONTROL VALVE HOUSING WITH CONTROL VALVE ASSEMBLY 
    1. Place matchmarks on the valve housing and rack housing.
    2. Remove the 2 bolts.
    3. Pull out the control valve assembly with the valve housing.
    4. Remove the O-ring from the valve housing.
      Fig 7: Identifying Matchmarks On Valve Housing And Rack Housing
      G04064208Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE CONTROL VALVE ASSEMBLY 
    1. Using SST, loosen the bearing guide nut.

      SST 09631-20060 

      Fig 8: Removing Bearing Guide Nut Using SST
      G04064209Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Wind vinyl tape to the control valve shaft.
    3. Using a plastic hammer, tap out the valve assembly with the nut from the control valve housing.
      NOTE: Be careful not to damage the oil seal lip.
    4. Remove the nut from the valve assembly.
      NOTE: Be careful not to damage the oil seal lip.
    5. Remove the O-ring from the nut.
      Fig 9: Tapping To Control Valve Shaft
      G04064210Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE CYLINDER END STOPPER AND SPACER 
    1. Using SST, remove the stopper.

      SST 09922-10010 

      NOTE: Use SST 09922-10010 in the direction shown in the illustration.
    2. Remove the O-ring from the stopper.
      Fig 10: Removing Stopper Using SST
      G04064211Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE STEERING RACK AND OIL SEAL 
    1. Using SST, press out the rack and oil seal.
      NOTE: Take care not to drop the rack.

      SST 09950-70010 (09951-07200) 

    2. Remove the oil seal from the rack.
      Fig 11: Removing Oil Seal From Rack Using SST
      G04064212Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002