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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Steering >> Power Steering System >> Power Steering Gear And Linkage >> Disassembly And Assembly >> Disassembly
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Disassembly And Assembly: Disassembly

  1. Remove EPS solenoid valve assembly.
  2. Remove O-ring from gear housing assembly.
  3. Remove cylinder tubes from gear housing assembly.
  4. Remove rear cover cap from sub-gear assembly.
  5. Measure projection height of adjusting screw from gear housing, then loosen adjusting screw.
    Fig 1: Measuring Projection Height Of Adjusting Screw From Housing
    G00750000Courtesy of NISSAN MOTOR CO., U.S.A.
    NOTE:
    • Do not attempt to disassemble EPS solenoid valve.
    • Do not turn adjusting screw more than twice.
    • Replace steering gear assembly when adjusting screw is removed or is turned more than twice.
  6. Remove bolts of sub-gear assembly and remove sub-gear assembly from gear housing assembly.
    NOTE: Do not overhaul sub-gear assembly because it is non-overhaul part. If there is something wrong with sub-gear assembly, replace with new one.
  7. Loosen lock nut, and remove outer socket.
  8. Remove boot clamps of small diameter side and large diameter side, then remove boots.
    Fig 2: Locating Boot Clamp Of Small & Large Diameter Side
    G00750001Courtesy of NISSAN MOTOR CO., U.S.A.
    NOTE: On removing boots, be careful not to damage inner socket and gear housing assembly. If they are damaged, replace them to avoid oil leaks.
  9. Move spacer ring to rack side, raise caulking part (at two points of part A) of lock plate and loosen inner socket, then remove inner socket from rack.
  10. Drill out the punch caulking area on cylinder outer rim with a 3 mm (0.12 in) drill bit. [Drill for approx. 1.5 mm (0.059 in) in depth.]
    11. Fig 3: Drilling Out Punch Caulking Area On Cylinder Outer Rim
    G00750002Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Remove end cover with a 42 mm (1.65 in) open head (special service tool).
    NOTE: Be careful not to damage rack. If it is damaged, replace rack. Otherwise, oil leaks may result.
  12. Pull rack assembly with rack oil seal out of gear housing assembly.
  13. Heat the rack Teflon ring to approx. 40°C (104°F) with a dryer, then remove it and O-ring from rack.
    Fig 4: Heating Rack Teflon Ring With Dryer
    G00750003Courtesy of NISSAN MOTOR CO., U.S.A.
    NOTE: Be careful not to damage rack. If it is damaged, replace with new one to avoid oil leaks.
  14. Use a taped 29 mm (1.14 in) socket and an extension bar, push out and remove rack oil seal together from gear housing assembly.
    Fig 5: Removing Rack Oil Seal From Gear Housing Assembly
    G00750004Courtesy of NISSAN MOTOR CO., U.S.A.
    NOTE:
    • Be careful not to damage gear housing assembly and cylinder inner wall.
    • If it is damaged, gear housing assembly must be replaced. Otherwise, oil leaks will result.
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