FixVault

Power Steering Gear And Linkage: Disassembly

  1. Prior to disassembling, measure pinion rotating torque. Record the pinion rotating torque as a reference.
    • Before measuring, disconnect gear housing 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 gear sub-assembly, O-ring and shim.
    Fig 1: Disconnecting Gear Housing Tube & Drain Fluid
    G00793630Courtesy of NISSAN MOTOR CO., U.S.A.

    Gear sub-assembly cannot be disassembled. If it is faulty, replace with a new one. 

  3. Remove tie-rod outer sockets and boots.
    Fig 2: Prying Staked Portion And Removing Staked Portion Using Drill
    G00793631Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Loosen tie-rod inner socket by prying up staked portion, and remove socket and spacer.
  5. Remove retainer.
  6. Use a 2 to 2.5 mm (0.079 to 0.098 in) diameter drill to completely remove staked portion of gear housing end.
  7. Remove end cover assembly with a suitable tool.
  8. Draw out rack assembly.
  9. Remove rack seal ring.
    Fig 3: Removing End Cover Assembly Heating Rack Seal With Heat Gun
    G00793632Courtesy of NISSAN MOTOR CO., U.S.A.
    • Using a heat gun, heat rack seal to approximately 40°C (104°F).
    • Remove rack seal ring.

    Be careful not to damage rack. 

  10. Remove center bushing and rack oil seal using tape wrapped socket and extension bar.
    Fig 4: Removing Center Bushing & Rack Oil Seal
    G00793633Courtesy of NISSAN MOTOR CO., U.S.A.

    Do not scratch inner surfaces of pinion housing.