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Home >> Infiniti >> 2007 >> FX45 >> Repair and Diagnosis >> Steering >> Power Steering System >> Power Steering Gear And Linkage >> Disassembly and Assembly >> Disassembly

Disassembly and Assembly: Disassembly

  1. Remove cylinder tubes from gear housing assembly.
  2. Remove rear cover cap from gear housing assembly.
  3. Measure adjusting screw height from gear housing assembly, then loosen adjusting screw.
    CAUTION:
    • Do not turn adjusting screw more than twice.
    • Replace steering gear assembly when adjusting screw is removed or more than twice.
    Fig 1: Adjusting Screw Height From Gear Housing Assembly
    G04876887
  4. Use a rear cover wrench (SST) to remove rear cover from pinion assembly.
    Fig 2: Removing Rear Cover From Pinion Assembly
    G05220603
  5. Remove O-ring with a flat-bladed screwdriver, and pull out rear cover.
  6. Remove pinion assembly from gear housing assembly.
    CAUTION: In order to protect oil seal from any damage, pull pinion assembly out straightly.
  7. Loosen lock nut of outer socket, and remove outer socket.
  8. Remove boot clamps of the small diameter side and the large diameter side, then remove boot.
    Fig 3: Identifying O-Ring Using Flat-Bladed Screwdriver
    G04921819
    CAUTION: When removing boots, be careful not to damage inner socket and gear housing assembly. If they are damaged, change them to avoid oil leaks.
  9. Drill out the clinching part of cylinder outer rim with a 3 mm (0.12 in) drill in 1.5 mm (0.059 in) depth.
    Fig 4: Drilling Clinching Part Of Cylinder Outer Rim
    G04876888
  10. Remove end cover assembly with a 45 mm (1.77 in) open head (suitable tool).
    CAUTION: Be careful not to damage rack. If it is damaged, replace rack. Otherwise, oil leaks may result.
  11. Pull rack assembly with rack oil seal out of gear housing assembly.
    CAUTION: Be careful not to damage cylinder. If it is damaged, replace gear housing assembly. Otherwise, oil leaks may result.
    Fig 5: Holding Rack Pinion Assembly
    G04876889
  12. Heat rack Teflon ring to approximately. 40°C (104°F) with a dryer, then remove it and O-ring from rack.
    CAUTION: Be careful not to damage rack. If it is damaged, change to a new one to avoid oil leaks.
    Fig 6: Heating Rack Teflon Ring Using Dryer
    G04876890
  13. Use a taped 29 mm (1.14 in) socket and an extension bar. Remove rack oil seal from gear housing assembly.
CAUTION: 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.
Fig 7: Pushing Out Rack Oil Seal From Gear Housing Assembly Using Socket And Extension Bar
G04876891