Front Differential
OVERHAUL1. REMOVE FRONT DIFFERENTIAL RING GEAR [41221/98-14]
a. Place the match-marks on the ring gear and differential case.
b. Remove the 12 bolts.
c. Using a plastic hammer, tap on the ring gear to remove it from the case.
2. REMOVE FR DIFFERENTIAL CASE FRONT TAPERED ROLLER BEARING [41311E/98-14]
a. Using SST, remove the front differential case front tapered roller bearing from the differential case.
SST 09950-00020, 09950-00030, 09950-60010 (09951-00500)
b. Using SST, remove the front differential case front tapered roller bearing outer race.
SST 09308-00010
3. REMOVE FR DIFFERENTIAL CASE REAR TAPERED ROLLER BEARING
[41311F/98-14]
a. Using SST, remove the front differential case rear tapered roller bearing from the differential case.
SST 09950-00020, 09950-00030, 09950-60010 (09951-00500)
b. Using SST, remove the front differential case rear tapered roller bearing outer race.
SST 09308-00010
4. REMOVE FRONT DIFFERENTIAL PINION SHAFT STRAIGHT PIN [41342A/98-14]
a. Using a pin punch and a hammer, install straight pin.
NOTICE: Before removing the straight pin, unstake it with a pin punch.
5. REMOVE FRONT DIFFERENTIAL PINION SHAFT NO.1 [41342F/98-14]
a. Remove the front differential pinion shaft No. 1 from the differential case.
6. REMOVE FRONT DIFFERENTIAL SIDE GEAR [41331F/98-14]
a. Remove the 2 front differential pinions, 2 pinion thrust washers, 2 front differential side gears and 2 side gear thrust washers from the differential case.
7. REMOVE TRANSAXLE HOUSING OIL SEAL [35111D/98-14]
a. Using SST, remove the oil seal.
SST 09950-70010 (09951-07100), 09215-00013 (09215-00471)
8. REMOVE DIFFERENTIAL SIDE BEARING RETAINER OIL SEAL [41141H/98-14]
a. Using SST, remove the oil seal.
SST 09950-70010 (09951-07100), 09608-10010
9. INSTALL FRONT DIFFERENTIAL SIDE GEAR [41331F/98-14]
a. Coat the 2 front differential side gears, 2 side gear thrust washers, 2 font differential pinions and 2 pinion thrust washers with ATF and install them to the differential case.
10. INSTALL FRONT DIFFERENTIAL PINION SHAFT NO.1 [41342F/98-14]
a. Coat the front differential pinion shaft No. 1 with ATF, install it to the differential case.
11. INSPECT BACKLASH
a. Using a dial indicator, inspect the backlash of the side gear.
Standard backlash: 0.05 - 0.20 mm (0.0020 - 0.0079 inch)
Thrust washer thickness
12. INSTALL FRONT DIFFERENTIAL PINION SHAFT STRAIGHT PIN [41342A/98-14]
a. Using a pin punch and a hammer, install the pinion shaft straight pin.
b. Using a chisel and a hammer, stake the differential case.
NOTICE: Stake it after adjusting the backlash.
13. INSTALL FR DIFFERENTIAL CASE REAR TAPERED ROLLER BEARING [41311F/98-14]
a. Using SST and a press, install the front differential case rear tapered roller bearing to the differential case.
SST 09550-60010, 09950-60020 (09951-00680), 09950-70010 (09951-07100)
b. Using SST and a hammer, install the front differential case tapered roller bearing front outer race to the transaxle housing.
SST 09550-60010, 09950-60020 (09951-00680) 09950-70010 (09951-07100, 09951-00890)
14. INSTALL FR DIFFERENTIAL CASE FRONT TAPERED ROLLER BEARING [41311E/98-14]
a. Using SST and a press, install the front differential case front tapered roller bearing to the differential case.
SST 09550-60010, 09950-60020 (09951-00680), 09950-70010 (09951-07100, 09951-00890)
b. Using SST and a hammer, install the front differential case tapered roller bearing front outer race to the transaxle housing.
SST 09550-60010, 09950-60020 (09951-00680), 09951-70010 (09951-07100, 09951-00890)
NOTICE: Clearance is not allowed between the bearing and transaxle housing.
15. ADJUST DIFFERENTIAL SIDE BEARING PRELOAD
a. Install the differential assy to the transaxle case.
b. Clean the matching surfaces of the transaxle case and transaxle housing.
c. Install the transaxle housing to the transaxle case and tighten them with the 16 bolts.
Torque:
Bolt A: 22.1 Nm (225 kgf-cm, 16.3 ft. lbs.)
Bolt B and C: 29.4 Nm (300 kgf-cm, 21.7 ft. lbs.)
Bolt length:
Bolt A: 50 mm (1.969 inch)
Bolt B: 50 mm (1.969 inch)
Bolt C: 42 mm (1.654 inch)
HINT: Usually, bolt A is a non-reusable bolt. In this case, however, it can be used after cleaning it.
d. Using SST, turn the differential assy right and left 2 or 3 times to allow the bearing settle.
SST 09564-32011
e. Using SST and torque wrench, measure the turning torque of the differential.
SST 09564-32011
Turning torque at 60 rpm:
New bearing 0.20 - 0.69 Nm (2.0 - 7.0 kgf-cm, 1.8 - 6.1 inch lbs.)
Used bearing 0.10 - 0.35 Nm (1.0 - 3.6 kgf-cm, 0.9 - 3.1 inch lbs.)
HINT: If the turning torque is not within the specified value, refer to the table and select a thrust washer which turning torque is within the specified value.
Flange thickness: mm (in.)
f. Remove the 16 bolts and the transaxle housing.
g. Remove the differential assy.
16. INSTALL FRONT DIFFERENTIAL RING GEAR [41221/98-14]
a. Using ATF and heater, heat the front differential ring gear to 90 - 110° C (194.0 - 230.0° F).
NOTICE: Do not overheat the ring gear to 110° C (230.0° F) or more.
b. Clean the contact surface of the front differential case.
c. Set the match-marks, install the front differential ring gear case quickly.
NOTICE: Do not install the bolts while the ring gear is hot.
d. Tighten the 12 bolts.
Torque: 95.1 Nm (970 kgf-cm, 70 ft. lbs.)
NOTICE: Tighten the bolts a little at a time in diagonal order.
17. INSTALL DIFFERENTIAL SIDE BEARING RETAINER OIL SEAL [41141H/98-14]
a. Using SST and a hammer, install a new oil seal.
SST 09223-15020, 09950-70010 (09951-07100)
b. Coat the rip of oil seal with a little MP grease.
18. INSTALL TRANSAXLE HOUSING OIL SEAL [35111D/98-14]
a. Using SST and a hammer, drive into a new oil seal.
SST 09710-30050, 09950-70010 (09951-07100)
b. Coat the rip of the oil seal with a little MP grease.