REAR DIFFERENTIAL CARRIER ASSEMBLY REASSEMBLY

CAUTION / NOTICE / HINT

Note

Steps 10 to 17 are temporary reassembly procedures for adjustment purposes.

PROCEDURE


  1. INSTALL STRAIGHT PIN


    1. Using a plastic-faced hammer, install the 4 straight pins to the rear differential carrier sub-assembly.

      A01V9ZYC01
      *a 8.0 to 9.0 mm (0.32 to 0.35 in.) - -

  2. INSTALL REAR DIFFERENTIAL BREATHER PLUG OIL DEFLECTOR


    1. A01V9QSC01
      *a Arrow Mark

      Using a 5 mm socket hexagon wrench, install the rear differential breather plug oil deflector with the 2 bolts.

      Torque:
      5.0 N*m  { 51 kgf*cm, 44 in.*lbf }

      Note

      Make sure that the arrow mark faces the front (transmission coupling side) of the vehicle.

  3. INSTALL DIFFERENTIAL RING GEAR


    1. Thoroughly clean oil from the surface of the rear differential case sub-assembly that will contact the differential ring gear.

    2. Heat the differential ring gear in boil water boiling water, etc., to 100°C (213°F).

    3. Mount the rear differential case sub-assembly in a vise between aluminum plates.

      Note

      Do not overtighten the vise.

    4. A01V8CVC06
      *a Matchmark

      Align the matchmarks of the rear differential case sub-assembly and differential ring gear, and then install the differential ring gear.

      Note


      • Clean the differential case sub-assembly bolt holes.

      • Align the holes of the rear differential case sub-assembly with the holes of the differential ring gear.

    5. Install 10 new rear differential case bolts.

      Torque:
      90 N*m  { 918 kgf*cm, 66 ft.*lbf }

      Note


      • The new bolts are coated with heat resistant oil. Do not clean off this coating.

      • Install the bolts tightening diametrically opposite bolts uniformly in several passes.

  4. INSTALL REAR DIFFERENTIAL CASE BEARING LH


    1. A01V9E7E02

      Using SST and a press, press the rear differential case bearing LH (inner race) onto the rear differential case sub-assembly.

      SST
      09223-50010

      Note


      • If the rear differential case bearing LH (inner race) is damaged, replace the rear differential case bearing LH (inner race) and rear differential case bearing LH (outer race) with new ones as a set.

      • If reusing a bearing, coat it with Toyota Genuine Differential gear oil LT SAE 75W-85 API GL-5 or equivalent.

  5. INSTALL REAR DIFFERENTIAL CASE BEARING RH


    1. A01V81WE02

      Using SST and a press, press the rear differential case bearing RH (inner race) onto the rear differential case sub-assembly.

      SST
      09223-50010

      Note


      • If the rear differential case bearing RH (inner race) is damaged, replace the rear differential case bearing RH (inner race) and outer race with new ones as a set.

      • If reusing a bearing, coat it with Toyota Genuine Differential gear oil LT SAE 75W-85 API GL-5 or equivalent.

  6. INSTALL REAR DIFFERENTIAL CASE BEARING LH


    1. A01VAT5C01
      *1 Rear Differential Side Gear Shaft Plate Washer
      *2 Rear Differential Case Bearing LH (Outer Race)

      Using SST and a press, press the rear differential side gear shaft washer and rear differential case bearing LH (outer race) into the differential side bearing retainer.

      SST
      09950-60010   ( 09951-00510, 09951-00620, 09952-06010, 09951-07100 )

      Note


      • Use the removed rear differential side gear shaft washer or use one of the same thickness.

      • When replacing a bearing, replace the rear differential case bearing LH (inner race) and rear differential case bearing LH (outer race) races as a set.

      • Press in the bearing and washer until they are fit against the end.

      • Do not place any load on the rolling contact surface of the bearing.

      • Install the rear differential side gear shaft oil seal after performing the teeth contact check and backlash adjustment.

  7. INSTALL REAR DIFFERENTIAL CASE BEARING RH


    1. A01V870C01
      *1 Rear Differential Side Gear Shaft Washer
      *2 Rear Differential Case Bearing RH (Outer Race)

      Using SST and a press, press the rear differential side gear shaft washer and rear differential case bearing RH (outer race) into the rear differential carrier sub-assembly.

      SST
      09950-60010   ( 09951-00510, 09951-00620, 09952-06010, 09951-07150 )

      Note


      • Use the removed rear differential side gear shaft washer or use one of the same thickness.

      • When replacing a rear differential case bearing RH, replace the rear differential case bearing RH (inner race) and rear differential case bearing RH (outer race) races as a set.

      • Press in the bearing and washer until they are fit against the end.

      • Do not place any load on the rolling contact surface of the bearing.

      • Install the rear differential side gear shaft oil seal after performing the teeth contact check and backlash adjustment.

  8. INSTALL REAR DRIVE PINION FRONT TAPERED ROLLER BEARING


    1. A01V91LC01
      *1 Rear Drive Pinion Front Tapered Roller Bearing (Outer Race)

      Using SST and a press, press the rear drive pinion front tapered roller bearing (outer race) into the rear differential carrier sub-assembly.

      SST
      09950-60010   ( 09951-00550, 09951-00680, 09951-07100, 09952-06010 )

      Note

      When replacing a rear drive pinion front tapered roller bearing (outer race), replace the inner and outer races as a set.

  9. INSTALL REAR DRIVE PINION REAR TAPERED ROLLER BEARING


    1. A01VA99C01
      *a Turn
      *b Hold

      Using SST, bolts, nuts, and washers, install the rear drive pinion rear tapered roller bearing (outer race) to the rear differential carrier sub-assembly.

      SST
      09950-60010   ( 09951-00600 )
      09950-60020   ( 09951-00680, 09951-00750 )

      Note

      When replacing the rear drive pinion rear tapered roller bearing (outer race), replace the inner and outer races as a set.

      Tech Tips

      Use M12 x P1.25 bolts with shaft lengths of 186 mm (part No. 90101-12159) and M12 x p1.25 nuts (part No. 90179-12051) for the installation.

  10. INSTALL REAR DRIVE PINION REAR TAPERED ROLLER BEARING


    1. Install the rear differential drive pinion plate washer to the differential drive pinion.

      Note

      Use the removed rear differential drive pinion washer or use one of the same thickness.

    2. A01V7V1E04

      Using SST and a press, press the rear drive pinion rear tapered roller bearing (inner race) into the differential drive pinion.

      SST
      09506-30012

  11. INSTALL REAR DIFFERENTIAL DRIVE PINION BEARING SPACER


    1. A01V8BZ

      Install the rear differential drive pinion bearing spacer to the differential drive pinion.

      Note

      Install the removed rear differential drive pinion bearing spacer, as this is a temporary installation for adjustment.

  12. ADJUST DIFFERENTIAL DRIVE PINION PRELOAD


    1. Install the differential drive pinion (with rear drive pinion rear tapered roller bearing inner race) to the rear differential carrier sub-assembly.

    2. Install the rear drive pinion front tapered roller bearing (inner race) and a new rear drive pinion nut to the differential drive pinion.

      Note


      • New bearings are coated with anti-rust oil. If using new bearings, do not clean off this coating.

      • If reusing a bearing, coat it with Toyota Genuine Differential gear oil LT SAE 75W-85 API GL-5 or equivalent.

    3. A01V75QC01
      *a Turn
      *b Hold
      *c Fulcrum Length

      Using SST, tighten a new rear drive pinion nut a little at a time until the specified preload is reached. Do not exceed the torque limit shown below.

      SST
      09556-52010
      Torque:
      without SST
      245 N*m  { 2498 kgf*cm, 181 ft.*lbf }
      or less
      with SST
      210 N*m  { 2141 kgf*cm, 155 ft.*lbf }
      or less

      Note


      • This torque value is effective when SST is straight to a torque wrench.

      • Use a torque wrench with a fulcrum length of 30 cm (11.8 in.). When using a torque wrench with a fulcrum length that is not 30 cm (11.8 in.), calculate the torque specification for the torque wrench and SST based on the "without SST" torque specification.

        Click here

    4. A01VANDE01

      Using SST and a torque wrench, measure the preload (starting torque) of the differential drive pinion.

      SST
      09556-52010
      Standard Drive Pinion Preload (starting torque)
      Bearing Preload
      New bearing 1.31 to 2.18 N*m (13 to 22 kgf*cm, 12 to 19 in.*lbf)
      Reused bearing 0.77 to 1.26 N*m (8 to 12 kgf*cm, 7 to 11 in.*lbf)

      Note


      • Measure the preload after rotating the bearing several times in the forward and backward directions to make sure the bearing is operating correctly.

      • Record the preload measurement for use with the total preload inspection.

  13. INSTALL REAR DIFFERENTIAL CASE SUB-ASSEMBLY


    1. A01V8ZE

      Install the rear differential case sub-assembly to the rear differential carrier sub-assembly.

  14. INSTALL DIFFERENTIAL SIDE BEARING RETAINER


    1. Using a scraper, clean the seal packing from the rear differential carrier sub-assembly and differential side bearing retainer, and remove any oil using a cleaning solvent.

      Note

      Do not scratch the installation area.

    2. A01V991

      Install the differential side bearing retainer to the rear differential carrier sub-assembly with the 8 bolts.

      Torque:
      34 N*m  { 350 kgf*cm, 25 ft.*lbf }

  15. ADJUST DIFFERENTIAL RING GEAR BACKLASH


    1. A01V9NUC10
      *a Turn
      *b Hold

      Insert a dial indicator through the rear differential side gear shaft oil seal hole, and set it perpendicular to the edge of a differential ring gear tooth.

    2. Using SST, secure the differential drive pinion.

      SST
      09556-52010

    3. Using SST, measure the backlash while rotating the rear differential case sub-assembly forward and in reverse.

      SST
      09564-32011
      Standard
      0.088 to 0.162 mm (0.00347 to 0.00637 in.)

      Note

      Measure the ring gear at 3 or more locations.

    4. If the result is not within the specified range, select and install a rear differential side gear shaft washer from the table below.

      Tech Tips


      • Adjust the thickness of the LH and RH differential side gear shaft washers by the same amount each time until the backlash is within the standard range. If the thickness on the LH side is increased, decrease the thickness on the RH side, and if the thickness on the LH side is decreased, increase the thickness on the RH side.

      • If the backlash is small, select a thick washer for the RH side and a thin washer for the LH side.

      • If the backlash is large, select a thin washer for the RH side and a thick washer for the LH side.

      Rear Differential Side Gear Shaft Washer
      Part No. Thickness Identifying Mark Part No. Thickness Identifying Mark
      90564-37022 1.59 to 1.61 mm (0.0625 to 0.0633 in.) A0 90564-37040 2.13 to 2.15 mm (0.0839 to 0.0846 in.) B8
      90564-37023 1.62 to 1.64 mm (0.0637 to 0.0645 in.) A1 90564-37041 2.16 to 2.18 mm (0.0850 to 0.0858 in.) B9
      90564-37024 1.65 to 1.67 mm (0.0650 to 0.0657 in.) A2 90564-37042 2.19 to 2.21 mm (0.0862 to 0.0870 in.) C0
      90564-37025 1.68 to 1.70 mm (0.0661 to 0.0669 in.) A3 90564-37043 2.22 to 2.24 mm (0.0874 to 0.0882 in.) C1
      90564-37026 1.71 to 1.73 mm (0.0673 to 0.0681 in.) A4 90564-37044 2.25 to 2.27 mm (0.0886 to 0.0894 in.) C2
      90564-37027 1.74 to 1.76 mm (0.0685 to 0.0693 in.) A5 90564-37045 2.28 to 2.30 mm (0.0898 to 0.0906 in.) C3
      90564-37028 1.77 to 1.79 mm (0.0697 to 0.0705 in.) A6 90564-37046 2.31 to 2.33 mm (0.0909 to 0.0917 in.) C4
      90564-37029 1.80 to 1.82 mm (0.0709 to 0.0717 in.) A7 90564-37047 2.34 to 2.36 mm (0.0921 to 0.0929 in.) C5
      90564-37030 1.83 to 1.85 mm (0.0720 to 0.0728 in.) A8 90564-37048 2.37 to 2.39 mm (0.0933 to 0.0941 in.) C6
      90564-37031 1.86 to 1.88 mm (0.0732 to 0.0740 in.) A9 90564-37049 2.40 to 2.42 mm (0.0945 to 0.0953 in.) C7
      90564-37032 1.89 to 1.91 mm (0.0744 to 0.0752 in.) B0 90564-37050 2.43 to 2.45 mm (0.0957 to 0.0965 in.) C8
      90564-37033 1.92 to 1.94 mm (0.0756 to 0.0764 in.) B1 90564-37051 2.46 to 2.48 mm (0.0969 to 0.0976 in.) C9
      90564-37034 1.95 to 1.97 mm (0.0768 to 0.0776 in.) B2 90564-37052 2.49 to 2.51 mm (0.0980 to 0.0988 in.) D0
      90564-37035 1.98 to 2.00 mm (0.0780 to 0.0787 in.) B3 90564-37053 2.52 to 2.54 mm (0.0992 to 0.1000 in.) D1
      90564-37036 2.01 to 2.03 mm (0.0792 to 0.0799 in.) B4 90564-37054 2.55 to 2.57 mm (0.1004 to 0.1012 in.) D2
      90564-37037 2.04 to 2.06 mm (0.0803 to 0.0811 in.) B5 90564-37055 2.58 to 2.60 mm (0.1016 to 0.1024 in.) D3
      90564-37038 2.07 to 2.09 mm (0.0815 to 0.0822 in.) B6 90564-37056 2.61 to 2.63 mm (0.1028 to 0.1035 in.) D4
      90564-37039 2.10 to 2.12 mm (0.0827 to 0.0834 in.) B7 90564-37057 2.64 to 2.66 mm (0.1040 to 0.1047 in.) D5

  16. ADJUST TOOTH CONTACT BETWEEN RING GEAR AND DRIVE PINION


    1. Remove the 8 bolts and differential side bearing retainer from the rear differential carrier sub-assembly.

    2. Remove the rear differential case sub-assembly.

    3. Uniformly apply a light coat of Prussian Blue on both sides of the differential ring gear teeth.

    4. Install the rear differential case sub-assembly.

    5. Temporarily install the differential side bearing retainer to the differential carrier sub-assembly with the 8 bolts.

    6. Rotate the differential drive pinion several times.

    7. Remove the 8 bolts and differential side bearing retainer from the rear differential carrier sub-assembly.

    8. Check the tooth contact pattern of the differential drive pinion and differential ring gear.

      A01V9KOC02
      *a Proper Contact *b Heel Contact
      *c Face Contact *d Select an adjusting washer that will shift the drive pinion closer to the ring gear (*b, *c)
      *e Toe Contact *f Flank Contact
      *g Select an adjusting washer that will shift the drive pinion away from the ring gear (*e, *f) - -

      Note

      Check the tooth contact pattern at 2 or more positions around circumference of the differential ring gear.

    9. In instances of face contact or flank contact, perform the following procedure.


      1. Move and adjust the differential ring gear using the rear differential side gear shaft washer.

        Tech Tips

        Adjust the thickness of the LH and RH rear differential side gear shaft washers by the same amount each time. If the thickness on the LH side is increased, decrease the thickness on the RH side, and if the thickness on the LH side is decreased, increase the thickness on the RH side.

    10. In instances of heel contact or toe contact, perform the following procedure.


      1. Select a rear differential drive pinion washer from the table below, and move and adjust the drive pinion.

        Rear Differential Drive Pinion Washer
        Part No. Thickness Identifying Mark Part No. Thickness Identifying Mark
        90564-35041 1.695 to 1.705 mm (0.0667 to 0.0671 in.) 41 90564-35071 1.955 to 1.965 (0.0770 to 0.0774) 71
        90564-35042 1.705 to 1.715 mm (0.0671 to 0.0675 in.) 42 90564-35072 1.965 to 1.975 (0.0774 to 0.0778) 72
        90564-35043 1.715 to 1.725 mm (0.0675 to 0.0679 in.) 43 90564-35073 1.975 to 1.985 (0.0778 to 0.0781) 73
        90564-35044 1.725 to 1.735 mm (0.0679 to 0.0683 in.) 44 90564-35074 1.985 to 1.995 (0.0781 to 0.0785) 74
        90564-35045 1.735 to 1.745 mm (0.0683 to 0.0687 in.) 45 90564-35075 1.995 to 2.005 (0.0785 to 0.0789) 75
        90564-35046 1.745 to 1.755 mm (0.0687 to 0.0690 in.) 46 90564-35076 2.005 to 2.015 (0.0789 to 0.0793) 76
        90564-35047 1.755 to 1.765 mm (0.0690 to 0.0695 in.) 47 90564-35077 2.015 to 2.025 (0.0793 to 0.0797) 77
        90564-35048 1.765 to 1.775 mm (0.0695 to 0.0699 in.) 48 90564-35078 2.025 to 2.035 (0.0797 to 0.0801) 78
        90564-35049 1.775 to 1.785 mm (0.0699 to 0.0703 in.) 49 90564-35079 2.035 to 2.045 (0.0801 to 0.0805) 79
        90564-35050 1.785 to 1.795 mm (0.0703 to 0.0707 in.) 50 90564-35080 2.045 to 2.055 (0.0805 to 0.0809) 80
        90564-35051 1.795 to 1.805 mm (0.0707 to 0.0711 in.) 51 90564-35081 2.055 to 2.065 (0.0809 to 0.0813) 81
        90564-35052 1.805 to 1.815 mm (0.0711 to 0.0715 in.) 52 90564-35082 2.065 to 2.075 (0.0813 to 0.0817) 82
        90564-35053 1.815 to 1.825 mm (0.0715 to 0.0719 in.) 53 90564-35083 2.075 to 2.085 (0.0817 to 0.0821) 83
        90564-35054 1.825 to 1.835 mm (0.0719 to 0.0722 in.) 54 90564-35084 2.085 to 2.095 (0.0821 to 0.0825) 84
        90564-35055 1.835 to 1.845 mm (0.0722 to 0.0726 in.) 55 90564-35085 2.095 to 2.105 (0.0825 to 0.0829) 85
        90564-35056 1.845 to 1.855 mm (0.0726 to 0.0730 in.) 56 90564-35086 2.105 to 2.115 (0.0829 to 0.0833) 86
        90564-35057 1.855 to 1.865 mm (0.0730 to 0.0734 in.) 57 90564-35087 2.115 to 2.125 (0.0833 to 0.0837) 87
        90564-35058 1.865 to 1.875 mm (0.0734 to 0.0738 in.) 58 90564-35088 2.125 to 2.135 (0.0837 to 0.0841) 88
        90564-35059 1.875 to 1.885 mm (0.0738 to 0.0742 in.) 59 90564-35089 2.135 to 2.145 (0.0841 to 0.0844) 89
        90564-35060 1.885 to 1.895 mm (0.0742 to 0.0746 in.) 60 90564-35090 2.145 to 2.155 (0.0844 to 0.0848) 90
        90564-35061 1.895 to 1.905 mm (0.0746 to 0.0750 in.) 61 90564-35091 2.155 to 2.165 (0.0848 to 0.0852) 91
        90564-35062 1.905 to 1.915 mm (0.0750 to 0.0754 in.) 62 90564-35092 2.165 to 2.175 (0.0852 to 0.0856) 92
        90564-35063 1.915 to 1.925 mm (0.0754 to 0.0758 in.) 63 90564-35093 2.175 to 2.185 (0.0856 to 0.0860) 93
        90564-35064 1.925 to 1.935 mm (0.0758 to 0.0762 in.) 64 90564-35094 2.185 to 2.195 (0.0860 to 0.0864) 94
        90564-35065 1.935 to 1.945 mm (0.0762 to 0.0766 in.) 65 90564-35095 2.195 to 2.205 (0.0864 to 0.0868) 95
        90564-35070 1.945 to 1.955 mm (0.0766 to 0.0770 in.) 70 - - -

    11. If the tooth contact pattern has been adjusted, recheck the backlash, preload and tooth contact pattern.

  17. INSPECT TOTAL PRELOAD


    1. A01V6QQE01

      Using SST and a torque wrench, measure the starting torque with the teeth of the differential drive pinion and differential ring gear in contact.

      SST
      09556-52010

      Note

      Measure the preload after rotating the case bearing several times in the forward and backward directions to make sure the bearing is operating correctly.

      Standard drive pinion preload
      Item Specified Condition
      New bearing drive pinion preload + 1.18 to 1.90 N*m (12 to 19 kgf*cm, 11 to 16 in.*lbf)
      Reused bearing drive pinion preload + 0.58 to 1.01 N*m (6 to 10 kgf*cm, 5 to 8 in.*lbf)

    2. If the result is not within the specified range, perform the following procedures.


      1. Select and install another side gear shaft washer RH.

      2. Recheck the backlash, preload and tooth contact pattern.

  18. REMOVE DIFFERENTIAL SIDE BEARING RETAINER


    1. A01V991

      Remove the 8 bolts and differential side bearing retainer from the rear differential carrier sub-assembly.

  19. REMOVE REAR DIFFERENTIAL CASE SUB-ASSEMBLY


    1. A01V8ZE

      Remove the rear differential case sub-assembly from the rear differential carrier sub-assembly.

  20. REMOVE DIFFERENTIAL DRIVE PINION


    1. Remove the differential drive pinion from the rear differential carrier sub-assembly.

    2. Remove the rear differential drive pinion bearing spacer from the differential drive pinion.

  21. INSTALL REAR DIFFERENTIAL DRIVE PINION BEARING SPACER


    1. A01V8BZ

      Install a new rear differential drive pinion bearing spacer to the differential drive pinion.

  22. INSTALL DIFFERENTIAL DRIVE PINION


    1. A01V837

      Install the differential drive pinion to the rear differential carrier sub-assembly.

  23. INSTALL REAR DRIVE PINION NUT


    1. Apply a coat of Toyota Genuine Differential gear oil LT SAE 75W-85 API GL-5 or equivalent to the threads of a new rear drive pinion nut.

    2. A01V75QC01
      *a Turn
      *b Hold
      *c Fulcrum Length

      Using SST, tighten the rear drive pinion nut while checking that the preload is at the specified value.

      SST
      09556-52010
      Torque:
      without SST
      245 N*m  { 2498 kgf*cm, 181 ft.*lbf }
      or less
      with SST
      210 N*m  { 2141 kgf*cm, 155 ft.*lbf }
      or less

      Tech Tips


      • This torque value is effective when SST is straight to a torque wrench.

      • Use a torque wrench with a fulcrum length of 30 cm (11.8 in.). When using a torque wrench with a fulcrum length that is not 30 cm (11.8 in.), calculate the torque specification for the torque wrench and SST based on the "without SST" torque specification.

        Click here

  24. ADJUST DIFFERENTIAL DRIVE PINION PRELOAD


    1. A01VANDE01

      Using SST and a torque wrench, check the starting torque.

      SST
      09556-52010

      Note


      • Adjust the preload after rotating the case bearing several times in the forward and backward directions to make sure the bearing is operating correctly.

      • Adjust the preload so that it matches the drive pinion temporary adjustment starting torque.

      Standard drive pinion preload
      Bearing Specified Condition
      New bearing 1.31 to 2.18 N*m (13 to 22 kgf*cm, 12 to 19 in.*lbf)
      Reused bearing 0.77 to 1.26 N*m (8 to 12 kgf*cm, 7 to 11 in.*lbf)
    2. A01V75QC01
      *a Turn
      *b Hold
      *c Fulcrum Length

      If the preload is insufficient, use SST to tighten the drive pinion nut 5 to 10° at a time. Measure the starting torque and repeat the adjustment as necessary until the preload matches the specified torque.

      SST
      09556-52010

    3. If the tightening torque of the rear drive pinion nut exceeds 245 N*m but the preload is still insufficient, loosen the rear drive pinion nut. Then check if the rear drive pinion nut and differential drive pinion screw threads are damaged.

      Tech Tips


      • This torque value is effective when SST is straight to a torque wrench.

      • Use a torque wrench with a fulcrum length of 30 cm (11.8 in.). When using a torque wrench with a fulcrum length that is not 30 cm (11.8 in.), calculate the torque specification for the torque wrench and SST based on the "without SST" torque specification.

        Click here

    4. If there are no problems, replace the rear differential drive pinion bearing spacer, apply Toyota Genuine Differential gear oil LT SAE 75W-85 API GL-5 or equivalent to its threads and repeat the procedure above.

  25. INSTALL REAR DIFFERENTIAL CASE SUB-ASSEMBLY


    1. A01V8ZE

      Install the rear differential case sub-assembly to the rear differential carrier sub-assembly.

  26. INSTALL DIFFERENTIAL SIDE BEARING RETAINER


    1. A01V991

      Install the differential side bearing retainer to the rear differential carrier with the 8 bolts.

      Torque:
      34 N*m  { 350 kgf*cm, 25 ft.*lbf }

  27. INSPECT DIFFERENTIAL RING GEAR BACKLASH


    1. A01V9NUC11
      *a Turn
      *b Hold

      Insert a dial indicator into the rear differential side gear shaft oil seal hole, and place it perpendicular to the edge of a ring gear tooth.

    2. Using SST, secure the drive pinion.

      SST
      09556-52010

    3. Using SST, check the backlash while rotating the rear differential case sub-assembly forward and in reverse.

      SST
      09564-32011
      Standard
      0.088 to 0.162 mm (0.00347 to 0.00637 in.)

      Note

      Measure the ring gear at 3 or more locations.

  28. INSPECT DIFFERENTIAL DRIVE PINION PRELOAD


    1. A01V6QQE06

      Using SST and a torque wrench, measure the preload (starting torque) of the backlash between the differential drive pinion and differential ring gear.

      SST
      09556-52010

      Note

      Adjust the preload after rotating the case bearing several times in the forward and reverse directions to make sure the bearing is operating correctly.

      Standard drive pinion preload
      Bearing Specified Condition
      New bearing drive pinion preload + 1.18 to 1.90 N*m (12 to 19 kgf*cm, 10 to 16 in.*lbf)
      Reused bearing drive pinion preload + 0.58 to 1.01 N*m (6 to 11 kgf*cm, 5 to 8 in.*lbf)

    2. If the result is not within the specified range, perform the following procedures.


      1. Select and install another side gear shaft washer RH.

      2. Recheck the backlash, preload and tooth contact pattern.

  29. REMOVE DIFFERENTIAL SIDE BEARING RETAINER


    1. A01V991

      Remove the 8 bolts and side bearing retainer from the rear differential carrier sub-assembly.

  30. INSTALL DIFFERENTIAL SIDE BEARING RETAINER


    1. A01V9H5C01
      *a 6 mm (0.24 in.)
      *b 3 mm (0.12 in.)

      Apply seal packing 1281 to the areas of the differential side bearing retainer shown in the illustration.

      Seal packing
      Toyota Genuine Seal Packing 1281, Three Bond 1281 or equivalent

      Note


      • Apply seal packing 1281 in a continuous line, approximately 2 to 3 mm (0.0787 to 0.118 in.) in diameter.

      • Overlap the seal packing at least 10 mm (0.394 in.) at the beginning and the end of application.

      • Install the differential side bearing retainer within 3 minutes of application.

    2. A01V991

      Install the differential side bearing retainer to the rear differential carrier sub-assembly with the 8 bolts.

      Torque:
      34 N*m  { 350 kgf*cm, 25 ft.*lbf }

      Note

      After installing the cover, leave the vehicle for at least 1 hour without driving or adding oil. After this, avoid any sudden acceleration or deceleration for the next 12 hours.

  31. INSPECT TOTAL PRELOAD


    1. A01V6QQE01

      Using SST and a torque wrench, check the starting torque with the teeth of the differential drive pinion and differential ring gear in contact.

      SST
      09556-52010

      Note

      Measure the preload after rotating the case bearing several times in the forward and backward directions to make sure the bearing is operating correctly.

      Standard drive pinion preload
      Bearing Specified Condition
      New bearing drive pinion preload + 1.18 to 1.90 N*m (12 to 19 kgf*cm, 10 to 16 in.*lbf)
      Reused bearing drive pinion preload + 0.58 to 1.01 N*m (6 to 10 kgf*cm, 5 to 8 in.*lbf)

  32. INSPECT DIFFERENTIAL RING GEAR BACKLASH


    1. A01V9NUC11
      *a Turn
      *b Hold

      Insert a dial indicator through the rear differential side gear shaft oil seal hole, and set it perpendicular to the edge of a ring gear tooth.

    2. Using SST, secure the drive pinion.

      SST
      09556-52010

    3. Using SST, check the backlash while rotating the rear differential case sub-assembly forward and in reverse.

      SST
      09564-32011
      Standard backlash
      0.088 to 0.162 mm (0.000347 to 0.00637 in.)

      Note

      Measure the ring gear at 3 or more locations.

  33. INSTALL REAR DRIVE PINION NUT


    1. Using a chisel and hammer, stake the rear drive pinion nut.

  34. INSTALL DIAPHRAGM OIL SEAL


    1. A01V7TPC01
      *1 Diaphragm Oil Seal

      Using SST and a hammer, tap a new diaphragm oil seal into the rear differential carrier sub-assembly until it reaches the standard value.

      SST
      09710-30021   ( 09710-03121 )
      09950-60010   ( 09951-00570 )
      09950-70010   ( 09951-07100 )
      Standard distance
      6.5 to 7.5 mm (0.256 to 0.295 in.) (from the edgeof the differential carrier sub-assembly)

      Note


      • Tap the oil seal uniformly so that the oil seal is straight.

      • Do not tap the oil seal in too far.

  35. INSTALL REAR DIFFERENTIAL SIDE GEAR SHAFT OIL SEAL


    1. A01V80EC02
      *1 Rear Differential Side Gear Shaft Oil Seal

      Using SST and a hammer, tap 2 new rear differential side gear shaft oil seals into the differential carrier until they reach the standard value.

      SST
      09223-00010
      Standard distance
      6.7 to 7.7 mm (0.264 to 0.303 in.) (from the protruding part of the carrier)

      Note


      • Tap the oil seal uniformly so that the oil seal is straight.

      • Do not tap the oil seal in too far.

  36. INSTALL TRANSMISSION COUPLING SHIM


    1. A01V8ZYC01
      *1 Transmission Coupling Assembly
      *2 Differential Carrier Sub-assembly

      Using a vernier caliper and precision straightedge, measure dimensions B1 and B2 of the transmission coupling assembly.

    2. Calculate dimension B by subtracting dimension B2 from B1.

      Tech Tips


      • Dimension B = Dimension B1 - Dimension B2

      • Dimension B1 is the distance from the installation surface of the transmission coupling assembly to the edge of the bearing.

    3. Using a vernier caliper and precision straightedge, measure dimension A of the rear differential carrier sub-assembly.

      Tech Tips

      Dimension A is the distance from the installation surface of the rear differential carrier sub-assembly to the edge of the differential drive pinion.

    4. Select a transmission coupling shim based on the difference between dimensions A and B, and install the shim.

      Transmission Coupling Shim
      Difference of dimension A and B Part No. Thickness Identifying Mark
      3.96 to 4.01 mm (0.156 to 0.157 in.) 90564-25024 1.98 to 2.02 mm (0.078 to 0.079 in.) 1
      4.26 to 4.31 mm (0.168 to 0.169 in.) 90564-25025 2.28 to 2.32 mm (0.090 to 0.091 in.) 2
      4.56 to 4.61 mm (0.180 to 0.181 in.) 90564-25026 2.58 to 2.62 mm (0.102 to 0.103 in.) 3
      3.81 to 3.86 mm (0.150 to 0.151 in.) 90564-25027 1.83 to 1.87 mm (0.072 to 0.073 in.) 4
      4.11 to 4.16 mm (0.162 to 0.163 in.) 90564-25028 2.13 to 2.17 mm (0.084 to 0.085 in.) 5
      4.41 to 4.46 mm (0.174 to 0.175 in.) 90564-25029 2.43 to 2.47 mm (0.096 to 0.097 in.) 6
      3.71 to 3.76 mm (0.146 to 0.148 in.) 90564-25031 1.73 to 1.77 mm (0.068 to 0.069 in.) 8
      3.76 to 3.81 mm (0.148 to 0.149 in.) 90564-25032 1.78 to 1.82 mm (0.070 to 0.071 in.) 9
      3.86 to 3.91 mm (0.152 to 0.153 in.) 90564-25033 1.88 to 1.92 mm (0.074 to 0.075 in.) 10
      3.91 to 3.96 mm (0.154 to 0.155 in.) 90564-25034 1.93 to 1.97 mm (0.076 to 0.077 in.) 11
      4.01 to 4.06 mm (0.158 to 0.159 in.) 90564-25035 2.03 to 2.07 mm (0.080 to 0.081 in.) 12
      4.06 to 4.11 mm (0.160 to 0.161 in.) 90564-25036 2.08 to 2.12 mm (0.082 to 0.083 in.) 13
      4.16 to 4.21 mm (0.164 to 0.165 in.) 90564-25037 2.18 to 2.22 mm (0.086 to 0.087 in.) 14
      4.21 to 4.26 mm (0.166 to 0.167 in.) 90564-25038 2.23 to 2.27 mm (0.088 to 0.089 in.) 15
      4.31 to 4.36 mm (0.170 to 0.171 in.) 90564-25039 2.33 to 2.37 mm (0.092 to 0.093 in.) 16
      4.36 to 4.41 mm (0.172 to 0.173 in.) 90564-25040 2.38 to 2.42 mm (0.094 to 0.095 in.) 17
      4.46 to 4.51 mm (0.176 to 0.177 in.) 90564-25041 2.48 to 2.52 mm (0.098 to 0.099 in.) 18
      4.51 to 4.56 mm (0.178 to 0.179 in.) 90564-25042 2.53 to 2.57 mm (0.100 to 0.101 in.) 19
      4.61 to 4.66 mm (0.182 to 0.183 in.) 90564-25043 2.63 to 2.67 mm (0.104 to 0.105 in.) 20
      4.66 to 4.71 mm (0.184 to 0.185 in.) 90564-25044 2.68 to 2.72 mm (0.106 to 0.107 in.) 21

  37. REMOVE TRANSMISSION COUPLING CONICAL SPRING WASHER


    1. A01V9UBC02
      *1 Transmission Coupling Conical Spring Washer
      A01V9RL the front of the vehicle (transmission coupling assembly side)

      Install the transmission coupling conical spring washer to the rear differential carrier sub-assembly.

      Note

      Install the transmission coupling conical spring washer so that the protruding part is facing the front of the vehicle (transmission coupling assembly side).

  38. INSTALL TRANSMISSION COUPLING ASSEMBLY


    1. A01VA8YC01
      *a 3-bolt Connection
      *b 2-bolt Connection

      Using a 5 mm socket hexagon wrench, install the yoke to the rear differential carrier assembly with the 2 or 3 bolts.

      Torque:
      5.0 N*m  { 51 kgf*cm, 44 in.*lbf }

      Note


      • Depending on the number of tap holes in the rear differential carrier assembly and the number of yoke bolt holes, a 2-bolt connection may also be used.

      • When using a 2-bolt connection, install the bolts in the same positions they were in before replacement.

      Number of Bolts and Bolt Hole Configurations
      Number of Rear Differential Carrier Assembly Tap Holes Number of Yoke Bolt Holes Number of Bolts Used
      3 3 2-bolt connection possible
      3 2 2-bolt connection
      2 3
      2 2
    2. A01V6ZR

      Install a new O-ring to the 4WD linear solenoid.

    3. A01V8MX

      Install the 4WD linear solenoid to the yoke.

    4. A01VAD6C01
      *1 Snap Ring

      Using a snap ring expander, install a new snap ring.

    5. Using a scraper, clean the seal packing from the rear differential carrier sub-assembly and transmission coupling assembly, and remove any oil using a cleaning solvent.

      Note

      Do not scratch the installation area.

    6. A01V80FC07
      *1 Seal Packing
      *a 2 to 3 mm (0.0787 to 0.118 in.)

      Apply seal packing 1281 to the areas of the transmission coupling assembly shown in the illustration.

      Seal packing
      Toyota Genuine Seal Packing 1281, Three Bond 1281 or equivalent

      Note


      • Apply seal packing 1281 in a continuous line, approximately 2 to 3 mm (0.0788 to 0.118 in.) in diameter.

      • Overlap the seal packing at least 10 mm (0.394 in.) at the beginning and the end of application.

      • Install the transmission coupling assembly with in 3 minutes of application.

    7. A01V99C

      Install the transmission coupling assembly to the rear differential carrier assembly with the 4 bolts.

      Torque:
      20 N*m  { 204 kgf*cm, 15 ft.*lbf }

  39. INSTALL REAR DIFFERENTIAL CARRIER COVER BREATHER PLUG


    1. A01V6SNE01

      Using an 8 mm socket hexagon wrench, install the rear differential carrier cover plug to the rear differential carrier sub-assembly.

      SST
      09612-07010   ( 09612-10061 )

      Note

      Tap the plug in until the flange meets the edge of the rear differential carrier sub-assembly.

  40. INSTALL REAR DIFFERENTIAL CARRIER COVER PLUG


    1. A01V9GD

      Using an 8 mm socket hexagon wrench, install the rear differential carrier cover plug to the rear differential carrier sub-assembly.

      Torque:
      30 N*m  { 306 kgf*cm, 22 ft.*lbf }

  41. INSTALL DIFFERENTIAL FILLER PLUG


    1. A01V8A2

      Using a 10 mm socket hexagon wrench, install a new gasket and the rear differential filler plug.

      Torque:
      39 N*m  { 398 kgf*cm, 29 ft.*lbf }

  42. INSTALL REAR DIFFERENTIAL DRAIN PLUG


    1. A01VAP8

      Using a 10 mm socket hexagon wrench, install a new gasket and the rear differential drain plug.

      Torque:
      39 N*m  { 398 kgf*cm, 29 ft.*lbf }

  43. INSPECT RUNOUT OF TRANSMISSION COUPLING ASSEMBLY


    1. A01VAW1C01
      *a Vertical Runout
      *b Lateral Runout

      Attach a lever probe to a dial indicator and set the probe at a right angle to the inner surface of the transmission coupling assembly.

    2. Using SST, rotate the transmission coupling assembly forward and in reverse and measure the vertical runout.

      SST
      09564-32011
      Maximum
      0.06 mm (0.00236 in.)

    3. Set the dial indicator at a right angle to the transmission coupling assembly in the position shown in the illustration.

    4. Using SST, rotate the transmission coupling assembly forward and in reverse and measure the lateral runout.

      SST
      09564-32011
      Maximum
      0.07 mm (0.00276 in.)

  44. INSTALL STUD BOLT


    1. A01VAIUC01
      *a 12.2 mm (0.480 in.)
      *b 26.3 mm (1.035 in.)
      *c Propeller Shaft Side
      *d Transmission Coupling Assembly Side

      Using 2 nuts, install the 4 stud bolts to the transmission coupling assembly.

      Torque:
      8.0 N*m  { 82 kgf*cm, 71 in.*lbf }

      Note

      Install the longer threaded part of each bolt tothe transmission coupling assembly side.