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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 814 (Transfer Case - ATX14A) >> On-Vehicle Service >> Replacing Oil Seal >> Front Case Oil Seal

Front Case Oil Seal

WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain transfer fluid.
  2. Remove exhaust front tube and heat insulator.
  3. Remove front propeller shaft. Refer to"FRONT PROPELLER SHAFT ".
  4. Remove companion flange lock nut.
    • Do not reuse lock nut. 
      Fig 1: Removing Companion Flange Lock Nut
      G02033797Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Put a matchmark on top of drive pinion thread. The mark should be in line with the mark on the companion flange.
    • Always mark top of drive pinion screw using paint. 
      Fig 2: Identifying Drive Pinion Match Mark
      G02033798Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Remove companion flange.
    Fig 3: Removing Companion Flange
    G02033799Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Remove front case oil seal.
    Fig 4: Removing Front Case Oil Seal
    G02033800Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Install front case oil seal.
    • Before installing, apply multi-purpose grease to seal lip. 
  9. Install companion flange.
    Fig 5: Installing Front Case Oil Seal
    G02033801Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Tighten nut to the specified torque. Refer to TRANSFER COMPONENTS .
  11. Install front propeller shaft.
  12. Install exhaust front tube and heat insulator.
    Fig 6: Installing Companion Flange
    G02033802Courtesy of NISSAN MOTOR CO., U.S.A.
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