LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2013 >> FX37 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Automatic Transmission) >> Unit Disassembly And Assembly >> Oil Pump, 2346 Brake, Front Brake Piston >> Disassembly

Oil Pump, 2346 Brake, Front Brake Piston: Disassembly

WARNING: This page is about a different car, the 2013 Infiniti FX50. However, it is still accessible from the selected car via links, so may be relevant.
  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
    G09002429Courtesy 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 From Oil Pump Assembly
    G09002430Courtesy of NISSAN NORTH AMERICA, INC.
  3. Remove seal ring (1) from oil pump assembly.
    Fig 3: Locating Oil Pump Assembly Seal Ring
    G09002431Courtesy 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: Removing Snap Ring From Oil Pump Assembly Using Clutch Spring Compressor (SST: KV31103800)
    G09002432Courtesy 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
    G09002433Courtesy 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: Removing Snap Ring From Oil Pump Assembly Using Clutch Spring Compressor
    G09002434Courtesy 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
    G09002435Courtesy 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
    G09002436Courtesy 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: Locating Front Brake Piston D-Ring (Inner And Outer)
    G09002437Courtesy 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 Brake Piston From Oil Pump Assembly Using Compressed Air
    G09002438Courtesy 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: Locating Brake Piston D-Ring (Large And Small)
    G09002439Courtesy of NISSAN NORTH AMERICA, INC.
  12. Loosen bolts in numerical order shown in the figure below and remove oil pump housing from oil pump cover.
    Fig 12: Oil Pump Housing Mounting Bolts Loosening Sequence
    G09002440Courtesy 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
    G09002441Courtesy of NISSAN NORTH AMERICA, INC.
  14. Remove O-ring from oil pump housing.
    Fig 14: Removing O-Ring From Oil Pump Housing
    G09002442Courtesy of NISSAN NORTH AMERICA, INC.
  15. Remove O-ring (1) from oil pump cover.
    Fig 15: Removing O-Ring From Oil Pump Cover
    G09002443Courtesy of NISSAN NORTH AMERICA, INC.