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Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 169 (Automatic Transmission (Symptom Diagnosis & Removal And Installation) (Except Hybrid)) >> 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 2018 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove snap ring SYMBOL from oil pump assembly using a flat-bladed screwdriver (A).
    GNSJPDIA1090Z-090Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION:
    • Be careful not to scratch oil pump cover and 2346 brake retaining plate.
    • Be careful not to damage snap ring.
  2. Remove 2346 brake component part (retaining plate, drive plates, driven plates and dish plate) SYMBOL from oil pump assembly.
    GNSJPDIA1091Z-091Courtesy of NISSAN NORTH AMERICA, INC.
  3. Remove seal ring SYMBOL from oil pump assembly.
    GNSJPDIA1092Z-092Courtesy 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) SYMBOL from oil pump assembly while compressing return spring.
    GNSJSDIA1729Z-729Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Be careful not to expand snap ring excessively.
  5. Remove front brake spring retainer SYMBOL from oil pump assembly.
    GNSJPDIA1094Z-094Courtesy 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) SYMBOL from oil pump assembly while compressing return spring.
    GNSJSDIA1730Z-730Courtesy of NISSAN NORTH AMERICA, INC.

    B

    : Press
    CAUTION: Be careful not to expand snap ring excessively.
  7. Remove 2346 brake spring retainer SYMBOL from oil pump assembly.
    GNSJPDIA1096Z-096Courtesy of NISSAN NORTH AMERICA, INC.
  8. Remove front brake piston SYMBOL from oil pump assembly with compressed air. Refer to Oil Channel .
    GNSJPDIA1097Z-097Courtesy of NISSAN NORTH AMERICA, INC.

    SYMBOL

    : Front brake pressure hole
    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) SYMBOL and D-ring (outer) SYMBOL from front brake piston.
    GNSJPDIA1098Z-098Courtesy of NISSAN NORTH AMERICA, INC.
  10. Remove 2346 brake piston SYMBOL from oil pump assembly with compressed air. Refer to Oil Channel .
    GNSJPDIA1099Z-099Courtesy of NISSAN NORTH AMERICA, INC.

    SYMBOL

    : 2346 brake pressure hole
    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) SYMBOL and D-ring (small) SYMBOL from 2346 brake piston.
    GNSJPDIA1100Z-100Courtesy of NISSAN NORTH AMERICA, INC.
  12. loosen bolts in numerical order shown in the figure and remove oil pump housing from oil pump cover.
    GNSJPDIA1101Z-101Courtesy of NISSAN NORTH AMERICA, INC.

    SYMBOL

    : Bolt
  13. Remove oil pump housing oil seal using a flat-bladed screwdriver.
    G04075848Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Be careful not to scratch oil pump housing.
  14. Remove O-ring from oil pump housing.
    G04075849Courtesy of NISSAN NORTH AMERICA, INC.
  15. Remove O-ring SYMBOL from oil pump cover.
    GNSJPDIA1102Z-102Courtesy of NISSAN NORTH AMERICA, INC.
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