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Oil Pump, 2346 Brake, Front Brake Piston: Disassembly

  1. Remove snap ring (1) from oil pump assembly using a flat-bladed screwdriver (A).
    CAUTION:
    • Be careful not to scratch oil pump cover and 2346 brake retaining plate.
    • Be careful not to damage snap ring.
    Fig 1: Removing Snap Ring From Oil Pump Assembly Using Flat-Bladed Screwdriver
    G07013729Courtesy of NISSAN NORTH AMERICA, INC.
  2. Remove 2346 brake component part (retaining plate, drive plates, driven plates and dish plate) (1) from oil pump assembly.
    Fig 2: Removing 2346 Brake Component Part And From Oil Pump Assembly
    G07013730Courtesy of NISSAN NORTH AMERICA, INC.
  3. Remove seal ring (1) from oil pump assembly.
    Fig 3: Identifying Seal Ring
    G07013731Courtesy of NISSAN NORTH AMERICA, INC.
  4. Set the clutch spring compressor (SST: KV31103800) (A) on front brake spring retainer and remove snap ring (fixing front brake spring retainer) (1) from oil pump assembly while compressing return spring.
    CAUTION: Be careful not to expand snap ring excessively.
    Fig 4: Identifying Clutch Spring Compressor And Snap Ring
    G07013732Courtesy of NISSAN NORTH AMERICA, INC.
  5. Remove front brake spring retainer (1) from oil pump assembly.
    Fig 5: Removing Front Brake Spring Retainer From Oil Pump Assembly
    G07013733Courtesy of NISSAN NORTH AMERICA, INC.
  6. Set the clutch spring compressor [SST: KV31102400 (J-34285 and J-34285-87)] (A) on 2346 brake spring retainer and remove snap ring (fixing 2346 brake spring retainer) (1) from oil pump assembly while compressing return spring.
    Fig 6: Setting Clutch Spring Compressor On 2346 Brake Spring Retainer
    G08649715Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Be careful not to expand snap ring excessively.
  7. Remove 2346 brake spring retainer (1) from oil pump assembly.
    Fig 7: Removing 2346 Brake Spring Retainer From Oil Pump Assembly
    G07013735Courtesy of NISSAN NORTH AMERICA, INC.
  8. Remove front brake piston (1) from oil pump assembly with compressed air. Refer to "OIL CHANNEL ".
    Fig 8: Removing Front Brake Piston From Oil Pump Assembly With Compressed Air
    G08649717Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Care should be taken not to abruptly blow air. It makes piston incline, as the result, it becomes hard to disassemble the piston.
  9. Remove D-ring (inner) (1) and D-ring (outer) (2) from front brake piston.
    Fig 9: Identifying D-Ring (Inner) And D-Ring (Outer)
    G07023322Courtesy of NISSAN NORTH AMERICA, INC.
  10. Remove 2346 brake piston (1) from oil pump assembly with compressed air. Refer to "OIL CHANNEL ".
    Fig 10: Removing 2346 Brake Piston From Oil Pump Assembly With Compressed Air
    G08649719Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Care should be taken not to abruptly blow air. It makes piston incline, as the result, it becomes hard to disassemble the piston.
  11. Remove D-ring (large) (1) and D-ring (small) (2) from 2346 brake piston.
    Fig 11: Identifying D-Ring (Large) And D-Ring (Small)
    G07023324Courtesy of NISSAN NORTH AMERICA, INC.
  12. Loosen bolts in numerical order as shown in the figure below and remove oil pump housing from oil pump cover.
    Fig 12: Oil Pump Housing Bolt Loosening Order
    G08649721Courtesy of NISSAN NORTH AMERICA, INC.
  13. Remove oil pump housing oil seal using a flat-bladed screwdriver.
    CAUTION: Be careful not to scratch oil pump housing.
    Fig 13: Removing Oil Pump Housing Oil Seal Using Flat-Bladed Screwdriver
    G04876094Courtesy of NISSAN NORTH AMERICA, INC.
  14. Remove O-ring from oil pump housing.
    Fig 14: Removing O-Ring From Oil Pump Housing
    G04876095Courtesy of NISSAN NORTH AMERICA, INC.
  15. Remove O-ring (1) from oil pump cover.
    Fig 15: Removing O-Ring From Oil Pump Cover
    G07023328Courtesy of NISSAN NORTH AMERICA, INC.