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Home >> Toyota >> 2006 >> Tundra Base, 4.0 U, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Transfer Case) >> Transfer Assembly >> Disassembly

Transfer Assembly: Disassembly

WARNING: This page is about a different variant/trim than selected.
  1. REMOVE SPEEDOMETER DRIVEN GEAR HOLE COVER 
    1. Remove the bolt and speedometer driven gear hole cover.
    2. Remove the O-ring from the speedometer driven gear hole cover.
  2. REMOVE PROTECTOR 

    Remove the 4 bolts and protector.

  3. REMOVE FRONT BEARING RETAINER 
    1. Remove the 5 bolts.
    2. Using a plastic hammer, tap on the front bearing retainer and remove it.
      Fig 1: Removing Front Bearing Retainer Bolts
      G02638487Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE UPPER COVER AND OIL DEFLECTOR 

    Remove the 4 bolts, upper cover and oil deflector.

  5. REMOVE FRONT COMPANION FLANGE 
    1. Using a chisel and hammer, loosen the staked part of the front companion flange lock nut.
    2. Using SST, hold the front companion flange and remove the front companion flange lock nut.

      SST 09330-00021

      Fig 2: Removing Front Companion Flange Lock Nut Using SST 09330-00021
      G02638488Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using SST, remove the front companion flange.

      SST 09950-40011 (09951-04020,09952-04010, 09953-04030, 09954-04010, 09955-04051, 09957-04010,09958-04011)

      Fig 3: Removing Front Companion Flange Using SST
      G02638489Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE REAR COMPANION FLANGE 

    Remove the rear companion flange in the same way as the front companion flange.

  7. REMOVE EXTENSION HOUSING 
    1. Remove the 5 bolts.
    2. Using a plastic hammer, tap on the extension housing and remove it.
      Fig 4: Removing Extension Housing
      G02638490Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE VEHICLE SPEED SENSOR DRIVE GEAR 
    1. Remove the 2 output washers and vehicle speed sensor drive gear.
    2. Using a magnetic finger, remove the ball from the rear output shaft.
  9. SEPARATE FRONT CASE AND REAR CASE 
    1. Remove the 12 bolts and 2 clamps.
    2. Using a plastic hammer, tap on the front case and rear case, and separate them.
    Fig 5: Identifying 2 Clamps
    G02638491Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE SHIFT FORK SHAFT 
    1. Using a hexagon wrench (6 mm), remove the 2 straight screw plugs, springs and balls from the front drive and high and low shift forks.
      Fig 6: Removing Shift Fork Shaft
      G02638492Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using 2 screwdrivers and a hammer, tap out the 2 snap rings from the shift fork shaft.
      Fig 7: Taping Out Snap Rings From Shift Fork Shaft
      G02638493Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the bolt and shift fork shaft stopper.
      Fig 8: Removing Shift Fork Shaft Stopper
      G02638494Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. To pull out the shift fork shaft, shift the front drive and high and low shift forks to the positions as shown in the illustration.
    5. Pull out the shift fork shaft.
      Fig 9: Identifying Shift Fork Positions For Pulling Out Shift Fork Shaft
      G02638495Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Using a magnetic finger, remove the 2 straight pins from the front drive and high and low shift forks.
    Fig 10: Removing 2 Straight Pins
    G02638496Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE REAR OUTPUT SHAFT ASSEMBLY, DRIVEN SPROCKET ASSEMBLY, CHAIN AND FRONT DRIVE AND HIGH AND LOW SHIFT FORKS 
    1. Using 2 screwdrivers and a hammer, tap out the snap ring from the shift fork shaft of the actuator assembly.

      HINT:

      Remove only the snap ring on the front side of the shift fork shaft.

      Fig 11: Taping Out Snap Ring From Shift Fork Shaft Of Actuator Assembly
      G02638497Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a snap ring expander, remove the snap ring.
      Fig 12: Removing Snap Ring Using Snap Ring Expander
      G02638498Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Mount the rear case in a vise.
    4. Using a plastic hammer, carefully tap the rear case, and remove the rear output shaft assembly, driven sprocket assembly, chain and front drive and high and low shift forks as an assembly.
    5. Remove the driven sprocket assembly, chain and front drive and high and low shift forks from the rear output shaft assembly.
    Fig 13: Removing Rear Output Shaft Assembly
    G02638499Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE ACTUATOR ASSEMBLY 
    1. Using 2 screwdrivers and a hammer, remove the snap ring.
    2. Remove the 3 bolts and actuator assembly.
      Fig 14: Removing Snap Ring Using 2 Screwdrivers And Hammer
      G02638500Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the O-ring, transfer 4WD position switch, transfer L4 position switch and 2 gaskets from the actuator assembly.
    Fig 15: Removing O-Ring, Transfer 4WD Position Switch And Transfer L4 Position Switch
    G02638501Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE SEPARATOR WITH OIL STRAINER AND MAGNET 

    Remove the 3 bolts and separator with the oil strainer and magnet.

    Fig 16: Removing Separator With Oil Strainer And Magnet
    G02638502Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE OIL PUMP BODY ASSEMBLY 

    Remove the 3 bolts and oil pump body assembly.

    Fig 17: Removing Oil Pump Body Assembly
    G02638503Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE OIL PUMP DRIVE GEAR 
  16. REMOVE PLANETARY GEAR ASSEMBLY WITH INPUT SHAFT ASSEMBLY 
    1. Using a snap ring expander, remove the snap ring.
      Fig 18: Removing Snap Ring Using Snap Ring Expander
      G02638504Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Pull out the planetary gear assembly with the input shaft assembly.
    Fig 19: Pulling Out Planetary Gear Assembly
    G02638505Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE LOW GEAR SPLINE PIECE 
    1. Using a screwdriver, remove the snap ring.
      Fig 20: Removing Snap Ring Using Screwdriver
      G02638506Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the low gear spline piece.
    Fig 21: Removing Low Gear Spline Piece
    G02638507Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE NEEDLE ROLLER BEARING FROM INPUT SHAFT ASSEMBLY 
    Fig 22: Removing Needle Roller Bearing From Input Shaft Assembly
    G02638508Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE INPUT GEAR STOPPER AND THRUST WASHER 
    1. Using a snap ring expander, remove the snap ring.
      Fig 23: Removing Snap Ring Using Snap Ring Expander
      G02638509Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the input gear stopper, ball and thrust washer.
    Fig 24: Removing Input Gear Stopper, Ball And Thrust Washer
    G02638510Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE INPUT SHAFT ASSEMBLY, THRUST BEARING AND RACE 
    Fig 25: Removing Input Shaft Assembly, Thrust Bearing And Race
    G02638511Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE PLANETARY RING GEAR 
    1. Using a screwdriver, remove the snap ring.
      Fig 26: Removing Snap Ring
      G02638512Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the head screw plug, spring and pin.
      Fig 27: Removing Head Screw Plug, Spring And Pin
      G02638513Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the planetary ring gear.
    Fig 28: Removing Planetary Ring Gear
    G02638514Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. INSPECT SWITCH 

    Measure the resistance between the terminals as shown.

    Standard: 

    SWITCH RESISTANCE SPECIFICATIONS

    Switch Condition Specified Condition
    Pushed Below 1 Ω
    Free 10 k Ω or higher

    If the result is not as specified, replace the switch.

    Fig 29: Measuring Resistance Between Switch Terminals
    G02638515Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002