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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - Re4F04B >> Repair For Component Parts >> Band Servo Piston Assembly >> Disassembly
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Band Servo Piston Assembly: Disassembly

  1. Remove band servo piston fixing bolts.
    Fig 1: Removing Band Servo Piston
    G00902488Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Apply compressed air to oil hole in transmission case to remove O/D servo piston retainer and band servo piston assembly.
    • Hold band servo piston assembly with a rag or nylon waste. 
    Fig 2: Removing OD Servo Piston Retainer And Band Servo Piston Assembly
    G00902489Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Apply compressed air to oil hole in O/D servo piston retainer to remove O/D servo piston from retainer.
    • Hold O/D band servo piston while applying compressed air. 
    Fig 3: Removing OD Servo Piston From Retainer
    G00902490Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Remove D-ring from O/D servo piston.
    Fig 4: Removing D-Ring From OD Servo Piston
    G00902491Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove O-rings from O/D servo piston retainer.
    Fig 5: Removing O-Rings From OD Servo Piston Retainer
    G00902492Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Remove band servo piston assembly from servo piston retainer by pushing it forward.
    Fig 6: Removing Band Servo Piston Assembly From Servo Piston Retainer
    G00902493Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Place piston stem end on a wooden block. While pushing servo piston spring retainer down, remove E-ring.
    Fig 7: Removing E-Ring
    G00902494Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Remove O/D servo return spring, band servo thrust washer and band servo piston stem from band servo piston.
    Fig 8: Removing OD Servo Return Spring, Band Servo Thrust Washer And Band Servo Piston Stem From Band Servo Piston
    G00902495Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Remove O-rings from servo piston retainer.
    Fig 9: Removing O-Rings From Servo Piston Retainer
    G00902496Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Remove D-rings from band servo piston.
Fig 10: Removing D-Rings From Band Servo Piston
G00902497Courtesy of NISSAN MOTOR CO., U.S.A.