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Home >> Infiniti >> 2011 >> G37 IPL, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 66 (Transfer Case -- G37 Coupe) >> Unit Disassembly And Assembly >> Front Case And Rear Case >> Disassembly

Front Case And Rear Case: 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: Aligning Matching Mark Of Main Shaft With Mark Of Companion Flange
    G05727164Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Remove companion flange with a puller (A) (commercial service tool).
    CAUTION: Never damage the companion flange.
    Fig 2: Removing Companion Flange With Puller (Commercial Special Service Tool)
    G05979357Courtesy of NISSAN MOTOR CO., U.S.A.
  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 With Special Tool
    G05979333Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Remove front case and rear case fixing bolts, then remove harness bracket.
    REAR CASE FIXING BOLTS REFERENCE CHART

    Bolts symbol Quantity
    A 14
    T (TORX bolt) 1
    (1) With harness bracket.
    Fig 4: Identifying Front And Rear Case Fixing Bolt Tightening Sequence
    G05979359Courtesy of NISSAN MOTOR CO., U.S.A.
  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 By Levering It Up With Special Tool
    G05979360Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Remove snap ring (1) from front case.
  13. Remove main shaft bearing from front case.
    CAUTION: Never use tools. Always remove by hand.
    Fig 6: Locating Snap Ring In Front Case
    G05979361Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Remove snap ring (1) from main shaft.
    Fig 7: Locating Snap Ring On Main Shaft
    G05979362Courtesy of NISSAN MOTOR CO., U.S.A.
  15. Remove spacer (1) and steel ball (2) from main shaft.
    CAUTION: Be careful not to drop the steel ball.
  16. Remove oil pump from main shaft.
  17. Remove drive chain and front drive shaft.
    CAUTION: Never use tools. Always remove by hand.
    Fig 8: Locating Spacer And Steel Ball On Main Shaft
    G05979363Courtesy of NISSAN MOTOR CO., U.S.A.
  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 MOTOR CO., U.S.A.
  19. Remove oil cover bolts from rear case. And then, remove oil cover (1).
  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.
    Fig 10: Locating Oil Cover
    G06626630Courtesy of NISSAN MOTOR CO., U.S.A.
  23. Remove main shaft assembly from rear case with the drift (A) [SST: ST33052000 (-)].
    Fig 11: Removing Main Shaft Assembly From Rear Case With Drift
    G05979366Courtesy of NISSAN MOTOR CO., U.S.A.
  24. Remove snap ring (1) from rear case.
  25. Remove rear bearing from rear case.
    CAUTION: Never use tools. Always remove by hand.
    Fig 12: Locating Snap Ring In Rear Case
    G05979367Courtesy of NISSAN MOTOR CO., U.S.A.
  26. Remove baffle plate (1) from rear case.
  27. Remove breather tube from rear case.
Fig 13: Locating Baffle Plate In Rear Case
G05979368Courtesy of NISSAN MOTOR CO., U.S.A.