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Home >> Infiniti >> 2001 >> Q45 Base >> Repair and Diagnosis >> Steering >> Power Steering >> Steering System >> Power Steering Gear And Linkage >> Disassembly

Power Steering Gear And Linkage: Disassembly

  1. Prior to disassembling, measure pinion rotating torque. Record the pinion rotating torque as a reference.

    Refer to ADJUSTMENT .

    • Before measuring, disconnect cylinder tube and drain fluid. 
    • Use soft jaws when holding steering gear housing. Handle gear housing carefully, as it is made of aluminum. Do not grip cylinder in a vise. 

  2. Remove pinion gear.
    • Be careful not to damage pinion gear when removing pinion seal ring. 
      Fig 1: Measuring Pinion Rotating Torque
      G02843087
  3. Remove tie-rod outer sockets and boots.
  4. Loosen tie-rod inner socket by prying up staked portion, and remove socket.
  5. Remove retainer.
  6. Remove pinion assembly.
  7. Use a 2 to 2.5 mm (0.079 to 0.098 in) diameter drill to completely remove staked portion of gear housing end.
    Fig 2: Removing Tie-Rod Outer Sockets And Boots
    G02843088
  8. Remove gear housing end cover assembly with Tool.
  9. Draw out rack assembly.
  10. Remove rack seal ring.
    • Using a heat gun, heat rack seal to approximately 40°C (104°F).
    • Remove rack seal ring.
    • Replace rack seal ring and O-ring with new ones.

    Be careful not to damage rack. 

    Fig 3: Removing Gear Housing End Cover Assembly
    G02843089
  11. Remove center bushing and rack oil seal using tape wrapped socket and extension bar.

    Do not scratch inner surfaces of pinion housing. 

    Fig 4: Removing Center Bushing And Rack Oil Seal
    G02843090