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Home >> Infiniti >> 2013 >> FX37 Base, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Transfer Case) >> Unit Disassembly And Assembly >> Front Case And Rear Case >> VQ37VHR >> VQ37VHR: Disassembly

VQ37VHR: Disassembly

WARNING: This page is about a different variant/trim than selected.
  1. Remove drain plug and filler plug.
  2. Remove harness brackets.
  3. Remove main shaft oil seal from front case.
    CAUTION: Never damage the front case and main shaft.
  4. Remove front oil seal from front case.
    CAUTION: Never damage the front case and front drive shaft.
  5. Remove self-lock nut.
  6. Put a matching mark (A) on the end of main shaft. The mark should be in line with the mark (B) on the companion flange.
    CAUTION: For the matching mark, use paint. Never damage main shaft.
    Fig 1: Identifying Matching Marks On Main Shaft And Companion Flange
    G05727164Courtesy of NISSAN NORTH AMERICA, INC.
  7. Remove companion flange with a puller (A) (commercial service tool).
    CAUTION: Never damage the companion flange.
    Fig 2: Removing Companion Flange Using Puller
    G05979357Courtesy of NISSAN NORTH AMERICA, INC.
  8. Remove rear oil seal from rear case with the puller (A) [SST: KV381054S0 (J-34286)].
    CAUTION: Never damage the rear case.
  9. Remove spacer from main shaft.
    Fig 3: Removing Rear Oil Seal Using Puller
    G05979333Courtesy of NISSAN NORTH AMERICA, INC.
  10. Remove front case and rear case fixing bolts, then remove harness bracket.
    Bolts symbol Quantity
    A 14
    T (TORX bolt) 1
    *: With harness bracket.
    Fig 4: Identifying Front Case And Rear Case Fixing Bolts
    G05979359Courtesy of NISSAN NORTH AMERICA, INC.
  11. Remove front case (1) from rear case by levering it up with a suitable tool.
    CAUTION: Never damage the mating surface.
    Fig 5: Removing Front Case From Rear Case Using Tool
    G05979360Courtesy of NISSAN NORTH AMERICA, INC.
  12. Remove snap ring (1) from front case.
    CAUTION: Never damage front case.
    Fig 6: Locating Snap Ring
    G05979361Courtesy of NISSAN NORTH AMERICA, INC.
  13. Remove main shaft bearing from front case.
    CAUTION: Never use tools. Always remove by hand.
  14. Remove snap ring (1) from main shaft.
    CAUTION: Never damage main shaft.
    Fig 7: Locating Snap Ring
    G05979362Courtesy of NISSAN NORTH AMERICA, INC.
  15. Remove spacer (1) and steel ball (2) from main shaft.
    CAUTION: Be careful not to drop the steel ball.
    Fig 8: Locating Spacer And Steel Ball
    G05979363Courtesy of NISSAN NORTH AMERICA, INC.
  16. Remove Oil pump from main shaft.
  17. Remove drive chain and front drive shaft.
    CAUTION: Never use tools. Always remove by hand.
  18. Remove transfer fluid temperature sensor bolt from rear case. And then, remove transfer fluid temperature sensor (1).
    Fig 9: Locating Transfer Fluid Temperature Sensor
    G06626629Courtesy of NISSAN NORTH AMERICA, INC.
  19. Remove oil cover bolts from rear case. And then, remove oil cover (1).
    Fig 10: Locating Oil Cover
    G06626630Courtesy of NISSAN NORTH AMERICA, INC.
  20. Remove retainer from AWD solenoid harness connector.
  21. Remove AWD solenoid harness connector from rear case.
  22. Remove O-ring from AWD solenoid harness connector.
  23. Remove main shaft assembly from rear case with the drift (A) [SST: ST33052000 (-)].
    Fig 11: Removing Main Shaft Assembly From Rear Case Using Drift
    G05979366Courtesy of NISSAN NORTH AMERICA, INC.
  24. Remove snap ring (1) from rear case.
    Fig 12: Locating Snap Ring
    G05979367Courtesy of NISSAN NORTH AMERICA, INC.
  25. Remove rear bearing from rear case.
    CAUTION: Never use tools. Always remove by hand.
  26. Remove baffle plate (1) from rear case.
    Fig 13: Locating Baffle Plate
    G05979368Courtesy of NISSAN NORTH AMERICA, INC.
  27. Remove breather tube from rear case.
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