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Home >> Infiniti >> 2021 >> Q50 Signature Edition, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Transfer Case (Service Information)) >> Disassembly And Assembly >> Transfer >> TRANSFER FRONT CASE AND REAR CASE : Disassembly & Assembly >> AWD models >> Assembly

AWD models: Assembly

WARNING: This page is about a different variant/trim than selected.
  1. Install breather tube to rear case within the angle SYMBOL shown as follows.
    GNSJSDIA4510Z-510Courtesy of NISSAN NORTH AMERICA, INC.

    Angle SYMBOL

    : 80 - 100 deg.
    CAUTION: Never reuse breather tube.
  2. Install baffle plate to rear case.
  3. Install rear bearing to rear case.
    CAUTION: Never use tools. Always install by hand.
  4. Install snap ring SYMBOL to rear case.
    GNSJPDIE0111Z-111Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Never reuse snap ring.
  5. Install main shaft assembly to rear case with the drift (A) [SST: ST35321000 (--)].
    GNSJPDIE0115Z-115Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Apply transfer fluid to the sliding surface of main shaft and needle bearing.
  6. Install AWD solenoid harness connector into rear case.
    CAUTION:
    • O-ring is non-reusable. When replace it, replace electric controlled coupling.
    • Apply transfer fluid to O-ring.
  7. Install retainer to AWD solenoid harness connector.
  8. Hold electric controlled coupling harness SYMBOL with oil cover hold plate part SYMBOL , install oil cover SYMBOL to rear case SYMBOL .
    GNSJPDIE0199Z-199Courtesy of NISSAN NORTH AMERICA, INC.
  9. Install transfer fluid temperature sensor SYMBOL to rear case.
    GNSJPDIE0198Z-198Courtesy of NISSAN NORTH AMERICA, INC.
  10. Set drive chain to front drive shaft.
    CAUTION: Identification mark SYMBOL of drive chain should be in the side of front bearing SYMBOL of front drive shaft.
    GNSJPDIE0075Z-075Courtesy of NISSAN NORTH AMERICA, INC.
  11. Install drive chain to main shaft, and then install front drive shaft assembly.
    CAUTION: Never use tools. Always install by hand.
  12. Install oil pump to main shaft.
  13. Install spacer SYMBOL and steel ball SYMBOL to main shaft.
    GNSJPDIE0123Z-123Courtesy of NISSAN NORTH AMERICA, INC.
  14. Install snap ring SYMBOL to main shaft.
    GNSJPDIE0122Z-122Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION:
    • Never reuse snap ring.
    • Never damage main shaft.
  15. Install main shaft bearing to front case.
    CAUTION: Never use tools. Always install by hand.
  16. Install snap ring SYMBOL to front case.
    GNSJPDIE0109Z-109Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION:
    • Never reuse snap ring.
    • Never damage front case.
  17. Apply liquid gasket SYMBOL to mating surface of rear case.
    GNSJPDIE0142Z-142Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Remove old sealant from mounting surfaces. Also remove any moisture, oil, or foreign material from application and mounting surfaces.
  18. Set front case to rear case.
    CAUTION: Never damage the mating surface transmission side.
  19. Tighten front case and rear case fixing bolts.
    GNSJSDIA4505Z-505Courtesy of NISSAN NORTH AMERICA, INC.
    • For "*" mark bolt, tighten it after attach harness bracket.

    Bolts symbol

    Quantity

    SYMBOL

    13

    SYMBOL (TORX bolt)

    2

    *: With harness bracket.

  20. Install spacer to main shaft.
  21. Apply transfer fluid to outside of rear oil seal, and install rear oil seal to rear case with the drifts (A and B) within the dimension (L) shown as follows.
    GNSJPDIE0116Z-116Courtesy of NISSAN NORTH AMERICA, INC.

    A

    : Drift [SST: ST30720000 (J-25405)]

    B

    : Drift [SST: KV40104830 (--)]

    L

    : 6.7 - 7.3 mm (0.264 - 0.287 in)
    CAUTION:
    • Never reuse rear oil seal.
    • Apply multi-purpose grease to oil seal lip.
    • When installing, never incline rear oil seal.
  22. Install companion flange while aligning the matching mark SYMBOL of main shaft with the mark SYMBOL of companion flange.
    GNSJPDIE0060Z-060Courtesy of NISSAN NORTH AMERICA, INC.
  23. Tighten self-lock nut to the specified torque with flange wrench (A) (commercial service tool).
    GNSJPDIE0131Z-131Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Never reuse self-lock nut.
  24. Apply transfer fluid to outside of main shaft oil seal, and install main shaft oil seal until it is flush with the end face of front case with the drift (A) [SST: ST30720000 (J-25405)].
    GNSJPDIE0118Z-118Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION:
    • Never reuse main shaft oil seal.
    • Apply multi-purpose grease to oil seal lip.
    • When installing, never incline main shaft oil seal.
  25. Apply transfer fluid to outside of front oil seal, and install front oil seal until it is flush with the end face of front case with the drift (A) [SST: ST27862000 (--)].
    GNSJPDIE0119Z-119Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION:
    • Never reuse front oil seal.
    • Apply multi-purpose grease to oil seal lip.
    • When installing, never incline front oil seal.
  26. Set gasket to drain plug. Install it to rear case.
    CAUTION: Never reuse gasket.
  27. Set gasket to filler plug. Install it to rear case.
    CAUTION:
    • Never reuse gasket.
    • After oil is filled, tighten filler plug to specified torque.
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