Contents Section: Differentials & Drive Axles All sections

Rear Differential Carrier: Overview Lexus LX J100 рестайлинг

Differentials & Drive Axles 21 illustrations ~950 words

Scheme 109

Scheme 109: COMPONENTS

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Scheme 111

Scheme 111: REMOVAL

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Scheme 114
  1. REMOVE REAR WHEELS Torque: 131 N.m (1,340 kg.cm, 97 ft.lbf)
  2. DRAIN HYPOID GEAR OIL Torque: 49 N.m (500 kg.cm, 36 ft.lbf)
  3. DISCONNECT BRAKE LINES Using SST, disconnect the brake line and remove the clip. SST 09023-00100 Torque: 15 N.m (150 kg.cm, 11 ft.lbf) Employ the same manner described above to the other side.
  4. DISCONNECT PARKING BRAKE CABLES Remove the 2 clips, pin and disconnect the parking brake cable from the bellcrank. Employ the same manner described above to the other side.
  5. REMOVE REAR AXLE SHAFTS Remove the 4 nuts. Torque: 123 N.m (1,250 kg.cm, 90 ft.lbf) Pull out the axle shaft assembly. NOTICE: Be careful not to damage the oil seal. Employ the same manner described above to the other side.
  6. DISCONNECT REAR PROPELLER SHAFT Place matchmarks on the propeller shaft and differential flange. Remove the 4 nuts, washers, bolts and disconnect the propeller shaft. Torque: 106 N.m (1,080 kg.cm, 78 ft.lbf) Support the propeller shaft securely.
  7. REMOVE DIFFERENTIAL CARRIER ASSEMBLY Remove the 10 nuts, washers and differential carrier assembly. NOTICE: Be careful not to damage the installation surface. Torque: 72 N.m (740 kg.cm, 53 ft.lbf) Remove the gasket.

Scheme 115

Scheme 115: DISASSEMBLY

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Scheme 127
  1. SET DIFFERENTIAL CARRIER TO OVERHAUL STAND ETC.
  2. CHECK RUNOUT OF COMPANION FLANGE Using a dial indicator, measure the vertical and lateral runout of the companion flange. Maximum runout: 0.14 mm (0.0055 in.) If the runout is not within the specification, replace the companion flange.
  3. CHECK RING GEAR RUNOUT Using a dial indicator, measure the ring gear runout. Maximum runout: 0.05 mm (0.0020 in.) If the runout is greater than the maximum, replace the ring gear.
  4. CHECK RING GEAR BACKLASH Using a dial indicator, measure the ring gear backlash. Backlash: 0.13 - 0.18 mm (0.0051 - 0.0071 in.) HINT: Perform the measurements at 3 or more positions around the circumference of the ring gear. If the backlash is not within the specification, adjust the side bearing preload or repair as necessary.
  5. MEASURE DRIVE PINION PRELOAD Using a torque wrench, measure the preload of backlash between the drive pinion and ring gear. Preload (at starting): 0.71 - 0.99 N.m (7.2 - 10.1 kg.cm, 6.3 - 8.8 in.lbf)
  6. CHECK TOTAL PRELOAD Using a torque wrench, measure the preload with the teeth of the drive pinion and ring gear in contact. Total preload (at starting): Drive pinion preload plus 0.38 - 0.63 N.m (3.9 - 6.5 kgf.cm, 3.4 - 5.6 in.lbf) If necessary, disassemble and inspect the differential.
  7. CHECK TOOTH CONTACT BETWEEN RING GEAR AND DRIVE PINION (See «REASSEMBLY» )
  8. REMOVE COMPANION FLANGE Using a chisel and hammer, unstake the nut. Using SST to hold the flange, remove the nut. SST 09330-00021 Using SST, remove the companion flange. SST 09950-30012 (09951-03010, 09953-03010, 09954-03010, 09955-03030, 09956-03040)
  9. REMOVE OIL SEAL AND OIL SLINGER Using SST, remove the oil seal from the differential carrier. SST 09308-10010 Remove the oil slinger.
  10. REMOVE FRONT BEARING Using SST, remove the front bearing from the drive pinion. SST 09556-22010 If the front bearing is damaged or worn, replace the bearing.
  11. REMOVE DIFFERENTIAL CASE ASSEMBLY Place matchmarks on the bearing cap and differential carrier. Remove the 2 bolts and 2 adjusting nut locks. Remove the 4 bolts, 2 bearing caps and 2 adjusting nuts. HINT: Tag the disassembled parts to show the location for reassembly. Remove the differential case with the bearing outer races from the carrier. HINT: Tag the disassembled parts to show the location for reassembly.
  12. REMOVE DRIVE PINION AND BEARING SPACER FROM DIFFERENTIAL CARRIER Remove the drive pinion with the rear bearing. Remove the bearing spacer.
  13. REMOVE DRIVE PINION REAR BEARING Using SST and a press, remove the rear bearing from the drive pinion. SST 09950-00020 HINT: If the drive pinion or ring gear is damaged, replace them as a set. Remove the plate washer from the drive pinion.
  14. REMOVE FRONT AND REAR BEARING OUTER RACES Using a brass bar and hammer, remove the outer races.
  15. REMOVE RING GEAR Place matchmarks on the ring gear and differential case. Remove the 12 ring gear set bolts. Using a plastic hammer, tap on the ring gear to remove it from the differential case.
  16. CHECK DIFFERENTIAL CASE RUNOUT Place the bearing outer races on their respective bearings. Check that the left and right outer races are not interchanged. Install the differential case in the differential carrier. Tighten the adjusting nut just to where there is no play in the bearing. Align matchmarks on the bearing cap and differential carrier. Install and uniformly tighten the 4 bearing cap bolts a little at a time. Using a dial indicator, measure the differential case runout. Maximum case runout: 0.04 mm (0.0016 in.) If the runout is greater than the maximum, replace the differential case and side bearings as a set. Remove the differential case.
  17. REMOVE SIDE BEARINGS FROM DIFFERENTIAL CASE Using SST, remove the 2 side bearings from the differential case. SST 09950-00020, 09950-00030, 09950-40011 (09957-04010), 09950-60010 (09951-00480)
  18. DISASSEMBLE DIFFERENTIAL CASE Place matchmarks on the LH and RH differential cases. Remove the 8 bolts uniformly, a little at a time. Using a plastic hammer, separate the LH and RH differential cases. Remove the 2 side gear thrust washers, 2 side gears, spider, 4 pinion gears and 4 pinion gear thrust washers.

Scheme 128

Scheme 128: REPLACEMENT

Scheme 129

Scheme 129
  1. REMOVE COMPANION FLANGE DUST DEFLECTOR Using SST a steel plate and press, remove the dust deflector. SST 09950-00020
  2. INSTALL DUST DEFLECTOR Using SST a steel plate and press, install a new dust deflector. SST 09726-40010

See also:
REPLACEMENT