Front Differential Carrier Assembly Disassembly


  1. INSPECT DIFFERENTIAL RING GEAR AND DIFFERENTIAL DRIVE PINION BACKLASH

  2. INSPECT FRONT DRIVE PINION COMPANION FLANGE SUB-ASSEMBLY

  3. REMOVE FRONT DIFFERENTIAL TUBE ASSEMBLY

  4. REMOVE DIFFERENTIAL SIDE GEAR SHAFT OIL SEAL LH

  5. REMOVE FRONT DRIVE PINION COMPANION FLANGE NUT

  6. REMOVE FRONT DRIVE PINION COMPANION FLANGE SUB-ASSEMBLY WITH DUST DEFLECTOR

  7. REMOVE FRONT DIFFERENTIAL CARRIER OIL SEAL

  8. REMOVE FRONT DIFFERENTIAL DRIVE PINION OIL SLINGER

  9. REMOVE FRONT DRIVE PINION REAR TAPERED ROLLER BEARING

  10. REMOVE DIFFERENTIAL SIDE BEARING RETAINER

  11. REMOVE DIFFERENTIAL CASE ASSEMBLY

  12. REMOVE DIFFERENTIAL DRIVE PINION

  13. REMOVE FRONT DIFFERENTIAL DRIVE PINION BEARING SPACER

  14. REMOVE FRONT DRIVE PINION FRONT TAPERED ROLLER BEARING

  15. REMOVE FRONT DRIVE PINION FRONT TAPERED ROLLER BEARING

  16. REMOVE FRONT DRIVE PINION REAR TAPERED ROLLER BEARING

  17. REMOVE FRONT DIFFERENTIAL OIL STORAGE RING

  18. REMOVE FRONT DIFFERENTIAL CASE BEARING

  19. REMOVE DIFFERENTIAL RING GEAR

  20. REMOVE FRONT DIFFERENTIAL CASE BEARING

  21. DISASSEMBLE DIFFERENTIAL CASE

  22. INSPECT DIFFERENTIAL GEAR KIT

  23. INSPECT FRONT DIFFERENTIAL CASE

  24. REMOVE DIFFERENTIAL SIDE GEAR SHAFT OIL SEAL RH

  25. REMOVE DIFFERENTIAL SIDE GEAR SHAFT SUB-ASSEMBLY RH

  26. REMOVE FRONT DIFFERENTIAL SIDE GEAR SHAFT BEARING RH

Front Differential Carrier Assembly -- Disassembly



1. INSPECT DIFFERENTIAL RING GEAR AND DIFFERENTIAL DRIVE PINION BACKLASH


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using SST and a dial indicator, measure the ring gear backlash.

    SST
    09564-33010
    Standard backlash:
    0.11 to 0.21 mm (0.00433 to 0.00826 in.)
    1. If the backlash is not as specified, adjust the side bearing preload or perform repairs as necessary.
      HINT:
      Perform the measurement at 3 or more positions around the circumference of the ring gear.


2. INSPECT FRONT DRIVE PINION COMPANION FLANGE SUB-ASSEMBLY


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using a dial indicator, measure the runout of the companion flange vertically and laterally.

    Text in Illustration
    *a
    30 mm (1.18 in.)
    Maximum Runout:
    Item
    Specified Condition
    Vertical runout
    0.10 mm (0.00394 in.)
    Lateral runout
    0.10 mm (0.00394 in.)
    1. If the runout is more than the maximum, replace the companion flange.


3. REMOVE FRONT DIFFERENTIAL TUBE ASSEMBLY


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50
  1. Remove the 4 bolts.

  1. Using a plastic-faced hammer, tap out the differential tube.



4. REMOVE DIFFERENTIAL SIDE GEAR SHAFT OIL SEAL LH


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using SST, tap out the oil seal.

    SST
    09308-00010


5. REMOVE FRONT DRIVE PINION COMPANION FLANGE NUT


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using SST and a hammer, loosen the staked part of the nut.

    SST
    09930-00010(09931-00010,09931-00020)


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using SST to hold the companion flange, remove the nut.

    SST
    09330-00021(09330-00030)
    Text in Illustration
    *a
    Turn
    *b
    Hold


6. REMOVE FRONT DRIVE PINION COMPANION FLANGE SUB-ASSEMBLY WITH DUST DEFLECTOR


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using SST, remove the companion flange with dust deflector.

    SST
    09950-30012(09951-03010,09953-03010,09954-03010,09955-03030,09956-03020)
    NOTICE:
    Before using SST (center bolt), apply hypoid gear oil to its threads and tip.


7. REMOVE FRONT DIFFERENTIAL CARRIER OIL SEAL


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using SST, remove the oil seal.

    SST
    09308-10010
    Text in Illustration
    *1
    Oil Seal
    *2
    Oil Slinger


8. REMOVE FRONT DIFFERENTIAL DRIVE PINION OIL SLINGER


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50
  1. Remove the oil slinger from the drive pinion.



9. REMOVE FRONT DRIVE PINION REAR TAPERED ROLLER BEARING


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using SST, remove the roller bearing (inner) from the drive pinion.

    SST
    09556-22010


10. REMOVE DIFFERENTIAL SIDE BEARING RETAINER
  1. Remove the 10 bolts and tap out the retainer with a plastic-faced hammer.



11. REMOVE DIFFERENTIAL CASE ASSEMBLY


12. REMOVE DIFFERENTIAL DRIVE PINION


13. REMOVE FRONT DIFFERENTIAL DRIVE PINION BEARING SPACER
  1. Remove the bearing spacer from the drive pinion.



14. REMOVE FRONT DRIVE PINION FRONT TAPERED ROLLER BEARING


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using SST and a press, press out the roller bearing (inner) and drive pinion plate washer from the drive pinion.

    SST
    09950-00020
    HINT:
    If the drive pinion or ring gear is damaged, replace them as a set.
    NOTICE:
    Do not drop the drive pinion.


15. REMOVE FRONT DRIVE PINION FRONT TAPERED ROLLER BEARING


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50
  1. Using a brass bar and hammer, tap out the roller bearing (outer).



16. REMOVE FRONT DRIVE PINION REAR TAPERED ROLLER BEARING


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using SST, remove the roller bearing (outer).

    SST
    09502-12010
    09612-65014(09612-01020,09612-01050)
    Text in Illustration
    *a
    Turn
    *b
    Hold


17. REMOVE FRONT DIFFERENTIAL OIL STORAGE RING
  1. Using a brass bar and hammer, tap out the oil storage ring.



18. REMOVE FRONT DIFFERENTIAL CASE BEARING
HINT:
  1. Measure the thickness of the case washer.
  2. Tag the bearing outer races so that they can be reinstalled in the correct locations.


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using SST and a press, press out the case bearing (outer) and plate washer from the bearing retainer.

    SST
    09950-60020(09951-00680)
    09950-70010(09951-07150)
    1. If the bearing is damaged during removal, replace it.


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using SST and a press, press out the case bearing (outer) and plate washer from the differential carrier.

    SST
    09950-60020(09951-00680)
    09950-70010(09951-07150)
    1. If the bearing is damaged during removal, replace it.


19. REMOVE DIFFERENTIAL RING GEAR


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Place matchmarks on the ring gear and differential case.

    Text in Illustration
    *1
    Matchmark
  1. Remove the 10 ring gear set bolts.



    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50
  1. Using a plastic-faced hammer, tap on the ring gear to separate it from the differential case.



20. REMOVE FRONT DIFFERENTIAL CASE BEARING
HINT:
The differential case and case bearings should only be removed when replacement is necessary.


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using SST, remove the 2 case bearings (inner) from the differential case.

    SST
    09950-60010(09951-00480)
    09950-40011(09951-04020,09952-04010,09953-04030,09954-04010,09955-04061,09953-04020,09958-04011)
    Text in Illustration
    *a
    Notch
    *b
    Turn
    *c
    Hold
    HINT:
    Attach the claws of SST to the notch in the differential case assembly to secure SST.


21. DISASSEMBLE DIFFERENTIAL CASE


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50
  1. Using a chisel and hammer, unstake the differential case.



    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50
  1. Using a pin punch and hammer, tap out the straight pin.



    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50
  1. Remove the following parts from the differential case.


    1. Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
      (1) Differential pinion gear (2 pieces)
    2. (2) Differential pinion gear thrust washer (2 pieces)
    3. (3) Differential pinion shaft
    4. (4) Differential side gear (2 pieces)
    5. (5) Differential side gear thrust washer (2 pieces)


22. INSPECT DIFFERENTIAL GEAR KIT
  1. Check that the differential pinion and differential side gear are not damaged.
    If the differential pinion or differential side gear is damaged, replace the differential gear kit.



23. INSPECT FRONT DIFFERENTIAL CASE
  1. Check that the differential case is not damaged.
    If the differential case is damaged, replace it.



24. REMOVE DIFFERENTIAL SIDE GEAR SHAFT OIL SEAL RH


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using SST, tap out the oil seal from the differential tube.

    SST
    09308-00010


25. REMOVE DIFFERENTIAL SIDE GEAR SHAFT SUB-ASSEMBLY RH


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50
  1. Using a snap ring expander, remove the snap ring.

  1. Remove the shaft from the differential tube.



26. REMOVE FRONT DIFFERENTIAL SIDE GEAR SHAFT BEARING RH
  1. Using a snap ring expander, remove the snap ring.



    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Differential.Front Differential Carrier Assembly.Front Differential Carrier Assembly  Disassembly
  1. Using SST, a brass bar and press, press out the shaft bearing RH.

    SST
    09950-00020
    NOTICE:
    1. Do not damage the bearing.
    2. Do not drop the shaft.