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Home >> Nissan-Datsun >> 2006 >> Armada LE, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Transfer Case >> Transfer Assembly >> Disassembly and Assembly >> Assembly >> Center Case >> Notes
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Center Case: Notes

  1. Apply ATF to the new O-ring, and install it on the oil filter stud.
    CAUTION: Do not reuse O-ring.
  2. Install the oil filter stud to the oil filter.
    Fig 1: Installing Oil Filter Stud To Oil Filter
    G04211124Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Apply ATF to the two new O-rings (1), and install them on the oil filter (2).
    CAUTION: Do not reuse O-rings.
    Fig 2: Applying ATF To Two New O-Rings
    G04211125Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Install the oil filter to the center case. Tighten the bolts to the specified torque. Refer to "COMPONENTS ".
    CAUTION:
    • Do not damage oil filter.
    • Attach oil filter and tighten bolts evenly.
    Fig 3: Attaching Oil Filter And Tighten Bolts
    G04211126Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Install the outer gear and inner gear into the sub oil pump housing, and measure the side clearance. Refer to "SUB-OIL PUMP ".
    Fig 4: Installing Outer Gear And Inner Gear Into Sub Oil Pump Housing
    G04211127Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Align the dowel pin hole and bolt hole of the sub oil pump assembly with the center case. Install the sub oil pump cover. Then tighten to the specified torque. Refer to "COMPONENTS ".
    Fig 5: Installing Sub Oil Pump Cover
    G04211128Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Apply ATF to the new O-ring and install it to the transfer motor.
    CAUTION: Do not reuse O-ring.
  8. Fit the double-flat end of the transfer motor shaft into the slot of the sub-oil pump assembly. Then tighten to the specified torque. Refer to "COMPONENTS ".
    CAUTION: Be sure to install connector bracket.
    Fig 6: Applying ATF To New O-Ring
    G04211129Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Assemble the control valve assembly with the following procedure.
    CAUTION:
    • Do not reuse any part that has been dropped or damaged.
    • Make sure valve is assembled in the proper direction.
    • Do not use a magnet because residual magnetism stays during assembly.
    1. Clean the upper body, control valves and springs with cleaning agent, and dry with compressed air.
    2. Dip the control valves in ATF, and apply ATF to the valve-mounting area of the upper body.
      Fig 7: Cleaning Upper Body, Control Valves And Springs With Cleaning Agent
      G04211130Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Install each control valve, spring, and plug to the upper body, and install retainer plates to hold them in place.
      CAUTION:
      • To insert control valves into upper body, place upper body on a level surface in order to prevent flaw or damage.
      • Make sure each control valve is smoothly inserted.
      Fig 8: Installing Each Control Valve, Spring, And Plug To Upper Body
      G04211131Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Install the reverse balls, relief balls and relief springs, accumulator pistons and valve springs to the upper body.
      Fig 9: Installing Reverse Balls, Relief Balls And Relief Springs, Accumulator Pistons And Valve Springs
      G04211132Courtesy of NISSAN MOTOR CO., U.S.A.
    5. Install the lower body and new separator plate to the upper body.
      CAUTION: Do not reuse separator plate.
      Fig 10: Installing Lower Body And New Separator Plate To Upper Body
      G04211133Courtesy of NISSAN MOTOR CO., U.S.A.
    6. With the lower body down, tighten the two bolts shown.
    7. Apply ATF to the new O-rings, and install them to each solenoid valve, switch and terminal body.
      CAUTION: Do not reuse O-rings.
    8. Install the following to the control valve assembly:
      • Clutch pressure solenoid valve
      • 2-4WD shift solenoid valve
      • Clutch pressure switch
      • Line pressure switch
      • Transfer fluid temperature sensor
    Fig 11: Installing Solenoid Valve, Switch And Terminal Body
    G04211134Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Apply ATF to the new lip seals, and install them to the center case.
    CAUTION:
    • Do not reuse lip seals.
    • There are 2 kinds of lip seals (lip seal of large inner diameter: 5 pieces, lip seal of small inner diameter: 2 pieces). Confirm their position for installation.
    Fig 12: Applying ATF To New Lip Seals
    G04211135Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Install the control valve assembly to the center case, and tighten to the specified torque. Refer to "COMPONENTS ".
    CAUTION:
    • Do not reuse any part that has been dropped or damaged.
    • Make sure valve is assembled in the proper direction.
    • Do not use a magnet because residual magnetism stays during assembly.
    Fig 13: Installing Control Valve Assembly To Center Case
    G04211136Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Install the connector assembly into the center case, and secure with a snap ring.
    Fig 14: Installing Connector Assembly Into Center Case
    G04211137Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Apply ATF to the new O-rings, and install them on the oil strainer.
    CAUTION: Do not reuse O-rings.
  14. Install the oil strainer to the control valve assembly.
    Fig 15: Applying ATF To New O-Rings
    G04211138Courtesy of NISSAN MOTOR CO., U.S.A.
  15. Tighten the bolts to the specified torque. Refer to "COMPONENTS ".
    Fig 16: Tightening Bolts
    G04211139Courtesy of NISSAN MOTOR CO., U.S.A.
  16. Apply ATF to the new D-rings, and install them to the clutch piston.
    CAUTION: Do not reuse D-rings.
    Fig 17: Applying ATF To New D-Rings
    G04211140Courtesy of NISSAN MOTOR CO., U.S.A.
  17. Install the thrust needle bearing race to the clutch piston.
    Fig 18: Installing Thrust Needle Bearing Race To Clutch Piston
    G04211141Courtesy of NISSAN MOTOR CO., U.S.A.
  18. Install the clutch piston to the center case as shown.
    CAUTION: Install so the fitting protrusion of clutch piston aligns with the dent of center case.
    Fig 19: Installing Clutch Piston To Center Case
    G04211142Courtesy of NISSAN MOTOR CO., U.S.A.
  19. Remove all the sealant from the oil pressure check port and inside the center case.
    CAUTION: Remove old sealant adhering to mating surfaces. Also remove any moisture, oil, or foreign material adhering to application and mating surfaces.
  20. Thread the new oil pressure check plug in 1 or 2 pitches and apply sealant to the oil pressure check plug threads. Tighten to the specified torque. Refer to "COMPONENTS ".
    CAUTION: Do not reuse oil pressure check plug.
    Fig 20: Removing Sealant From Oil Pressure Check Port And Inside Center Case
    G04211143Courtesy of NISSAN MOTOR CO., U.S.A.
  21. Install the new snap ring to the clutch hub using suitable tool.
    CAUTION: Do not reuse snap ring.
    Fig 21: Installing Snap Ring To Clutch Hub Using Suitable Tool
    G04211144Courtesy of NISSAN MOTOR CO., U.S.A.
  22. Apply petroleum jelly to the needle bearing, and install the needle bearing, spacer, clutch drum and clutch hub to the main-shaft.
    Fig 22: Installing Needle Bearing, Spacer, Clutch Drum And Clutch Hub To Main-Shaft
    G04211145Courtesy of NISSAN MOTOR CO., U.S.A.
  23. Install the new snap ring to the mainshaft.
    CAUTION: Do not reuse snap ring.
    Fig 23: Installing Snap Ring To Mainshaft
    G04211146Courtesy of NISSAN MOTOR CO., U.S.A.
  24. Apply ATF to each plate, then install them into the clutch drum as shown.
    Fig 24: Applying ATF To Each Plate
    G04211147Courtesy of NISSAN MOTOR CO., U.S.A.
  25. Install the return spring assembly into the clutch hub.
    Fig 25: Installing Return Spring Assembly Into Clutch Hub
    G04211148Courtesy of NISSAN MOTOR CO., U.S.A.
  26. Install the press flange by aligning the notches to the clutch hub as shown.
    Fig 26: Installing Press Flange
    G04211149Courtesy of NISSAN MOTOR CO., U.S.A.
  27. Press the press flange to install the new snap ring into snap ring groove on mainshaft using Tools.

    Tool number 

    1. A: ST22452000 (J-34335) 
    2. B: ST30911000(-) 
    3. C: KV31103300 (-) 
    CAUTION: Do not reuse snap ring.
    Fig 27: Pressing Flange
    G04211150Courtesy of NISSAN MOTOR CO., U.S.A.
  28. Install the new snap ring to the mainshaft using suitable tool.
    CAUTION: Do not reuse snap ring.
    Fig 28: Installing Snap Ring To Mainshaft Using Suitable Tool
    G04211151Courtesy of NISSAN MOTOR CO., U.S.A.
  29. Apply ATF to the thrust needle bearing and install it on the press flange.
    Fig 29: Applying ATF To Thrust Needle Bearing And Install It On Press Flange
    G04211152Courtesy of NISSAN MOTOR CO., U.S.A.
  30. Install the new snap ring to the main shaft.
    CAUTION: Do not reuse snap ring.
    Fig 30: Installing Snap Ring To Main Shaft
    G04211153Courtesy of NISSAN MOTOR CO., U.S.A.
  31. Install the mainshaft rear bearing to the center case using Tool.

    Tool number : ST15310000 (J-25640-B) 

    Fig 31: Installing Mainshaft Rear Bearing To Center Case Using Tool
    G04211154Courtesy of NISSAN MOTOR CO., U.S.A.
  32. Press the mainshaft assembly into the center case using Tools.

    Tool number 

    1. A: ST30911000 (-) 
    2. B: ST33052000(-) 
    Fig 32: Pressing Mainshaft Assembly Into Center Case Using Tools
    G04211155Courtesy of NISSAN MOTOR CO., U.S.A.
  33. Install the C-rings to the mainshaft.
    Fig 33: Installing C-Rings To Mainshaft
    G04211156Courtesy of NISSAN MOTOR CO., U.S.A.
  34. Set the washer holder on the mainshaft, and secure it with a new snap ring using suitable tool.
    CAUTION: Do not reuse snap ring.
    Fig 34: Setting Washer Holder On Mainshaft
    G04211157Courtesy of NISSAN MOTOR CO., U.S.A.
  35. Apply petroleum jelly to the stem bleeder and install it to the center case.
    Fig 35: Applying Petroleum Jelly To Stem Bleeder
    G04211158Courtesy of NISSAN MOTOR CO., U.S.A.
  36. Apply ATF to the new seal ring and install it to the main oil pump cover.
    CAUTION: Do not reuse seal ring.
    Fig 36: Applying ATF To New Seal Ring
    G04211159Courtesy of NISSAN MOTOR CO., U.S.A.
  37. Install the inner gear and outer gear in the main oil pump housing. Then measure the side clearance. Refer to "MAIN OIL PUMP ".
    Fig 37: Installing Inner Gear And Outer Gear In Main Oil Pump Housing
    G04211160Courtesy of NISSAN MOTOR CO., U.S.A.
  38. Install the main oil pump housing, outer gear and inner gear to the center case.
    Fig 38: Installing Main Oil Pump Housing, Outer Gear And Inner Gear To Center Case
    G04211161Courtesy of NISSAN MOTOR CO., U.S.A.
  39. Install the main oil pump cover to the center case, and tighten to the specified torque. Refer to "COMPONENTS ".
    Fig 39: Installing Main Oil Pump Cover To Center Case
    G04211162Courtesy of NISSAN MOTOR CO., U.S.A.
  40. Remove all the sealant from the switch mating area and inside the center case.
    CAUTION:
    • Remove old sealant adhering to mating surfaces. Also remove any moisture, oil, or foreign material adhering to application and mating surfaces.
  41. Thread the ATP switch and neutral-4LO switch in one to two pitches and apply sealant to the threads of the switches. Tighten to the specified torque. Refer to "COMPONENTS ".
    NOTE:
    • Neutral-4LO switch harness connector is gray.
    • ATP switch harness connector is black.
    Fig 40: Removing Sealant From Switch Mating Area And Inside Center Case
    G04211163Courtesy of NISSAN MOTOR CO., U.S.A.
  42. Install the front drive shaft rear bearing using Tools.

    Tool number 

    1. A: KV40100621 (J-25273) 
    2. B: ST30032000 (J-26010-01) 
    Fig 41: Installing Front Drive Shaft Rear Bearing Using Tools
    G04211164Courtesy of NISSAN MOTOR CO., U.S.A.
  43. Install the front drive shaft to the front bearing using Tools.

    Tool number 

    1. A: KV40100621 (J-25273) 
    2. B: ST30032000 (J-26010-01) 
    Fig 42: Installing Front Drive Shaft To Front Bearing Using Tools
    G04211165Courtesy of NISSAN MOTOR CO., U.S.A.
  44. Install the drive chain to the front drive shaft and clutch drum.
    CAUTION: Install drive chain by aligning identification marks to the rear as shown.
    Fig 43: Installing Drive Chain By Aligning Identification Marks To Rear
    G04211166Courtesy of NISSAN MOTOR CO., U.S.A.
  45. Tap the front drive shaft while keeping it upright and press-fit the front drive shaft rear bearing.
    CAUTION: Do not tap drive chain.
  46. Install the front case assembly. Refer to "FRONT CASE ".
  47. Install the rear case assembly. Refer to "REAR CASE ".
    Fig 44: Pressing Front Drive Shaft Rear Bearing
    G04211167Courtesy of NISSAN MOTOR CO., U.S.A.
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