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Home >> Infiniti >> 2009 >> EX35 Base, AWD >> Repair and Diagnosis >> Steering >> Power Steering System >> On-Vehicle Repair >> Steering Gear And Linkage >> AWD >> AWD : Disassembly and Assembly >> Disassembly

AWD : Disassembly and Assembly: Disassembly

  1. Remove low pressure piping.
    CAUTION:
    • Disassemble and assemble steering gear assembly by fixing the mounting area with a vise using copper plates.
    • Clean steering gear assembly with kerosene before disassembling. Be careful to avoid splashing or applying any kerosene over connector of discharge port or return port.
  2. Remove cylinder tubes from gear housing assembly.
  3. Remove rear cover cap from gear-sub assembly.
  4. Measure adjusting screw height "H", and loosen adjusting screw.
    CAUTION:
    • Never loosen adjusting screw 2 turns or more.
    • Replace steering gear assembly if adjusting screw is loosened 2 turns or more and it is removed.
  5. Remove gear-sub assembly from gear housing assembly.
  6. Remove O-ring from gear housing assembly.
  7. Loosen outer socket lock nut, and remove outer socket.
  8. Remove boot clamps, and then remove boot from inner socket.
    Fig 1: Identifying Adjusting Screw And Gear Housing Location
    G04921817Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Never damage inner socket and gear housing assembly when removing boot. Inner socket and gear housing assembly must be replaced if inner socket and gear housing assembly are damaged because it may cause foreign material interfusion.
  9. Remove inner socket from gear housing assembly.
  10. Drill out the clinching part of gear housing assembly (end cover assembly side) outer rim with a 3 mm (0.12 in) drill bit. [Drill for approximately 1.5 mm (0.059 in) depth.]
    Fig 2: Drilling Clinching Part Of Cylinder Outer Rim
    G04876888Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Remove end cover assembly with a 36 mm (1.42 in) open head (commercial service tool).
    CAUTION: Never damage rack assembly surface when removing. Rack assembly must be replaced if damaged because it may cause fluid leakage.
  12. Pull rack assembly together with rack oil seal (outer side) out from gear housing assembly.
    CAUTION: Never damage cylinder inner wall when remove rack assembly. Gear housing assembly must be replaced if damaged because it may cause fluid leakage.
    Fig 3: Holding Rack Pinion Assembly
    G04876889Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Heat rack Teflon ring to approximately 40°C (104°F) with a dryer, and remove rack Teflon ring from rack assembly.
    CAUTION: Never damage rack assembly. Rack assembly must be replaced if damaged because it may cause fluid leakage.
    Fig 4: Heating Rack Teflon Ring Using Dryer
    G04876890Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Push rack oil seal inside with a 29 mm (1.14 in) socket and an extension bar to push out rack oil seal (inner side) from gear housing assembly.
    CAUTION: Never damage gear housing assembly and cylinder inner wall. Gear housing assembly must be replaced if damaged because it may cause fluid leakage.
    Fig 5: Pushing Out Rack Oil Seal From Gear Housing Assembly
    G04876891Courtesy of NISSAN MOTOR CO., U.S.A.
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