Diesel Data: Automotive Repair

Driven Pinion Bearing Case




COMPONENTS

DISASSEMBLY OF DRIVEN PINION BEARING CASE

1. REMOVE LOCK NUT




a. Using a chisel and hammer, unstake the lock nut.




b. Using SST, remove the lock nut.

SST 09326-20011

NOTE: Using soft jaws, hold the driven pinion in a vise.




2. REMOVE DRIVEN PINION
Using a press, remove the driven pinion, rear side bearing and spacer.




3. REMOVE FRONT SIDE BEARING
Using a press and SST, remove the front side bearing.

SST 09950-00020




4. REMOVE BEARING OUTER RACES
Using a brass bar and hammer, remove the two bearing outer races.

ASSEMBLY OF DRIVEN PINION BEARING CAGE




1. INSTALL BEARING OUTER RACES
Using a press and SST, install the two bearing outer races to the bearing cage.

Front side:
09608-35014 (09608-06020, 09608-06120)

Rear side:
09608-30022 (09608-05010, 09608-00050)




2. INSTALL DRIVEN PINION FRONT SIDE BEARING
Using a press and SST, install the front side bearing.

SST 09506-35010




3. INSTALL SPACER
Install a new spacer to the driven pinion.




4. INSTALL DRIVEN PINION REAR SIDE BEARING
a. Install the bearing cage to the driven pinion.
b. Using a press and SST, install the rear side bearing to the driven pinion.

SST 09506-35010

5. ADJUST DRIVEN PINION PRELOAD




a. Using SST, torque a new nut.

SST 09326-20011

Torque: 1,000 kg-cm (72 ft-lb, 98 N.m)

HINT: Use a torque wrench with a fulcrum length of 42.5 cm (16.732 in.).




b. Using a spring tension gauge and SST, measure the preload.

SST 09326-20011

HINT: Turn the driven pinion right and left two or three times to allow the bearings to settle.

Preload (at starting):

New bearing
1.8 - 2.9kg (4.0 - 6.4 lb, 18 - 28 N)

Reused bearing
0.9 - 1.4kg (2.0 - 3.1 lb, 9 - 14 N)

- If preload is greater than specification, replace the bearing spacer.
- If preload is less than specification, retighten the nut 5° - 10° at a time until the specified preload is rechecked.

If the maximum torque is exceeded while retightening the nut, replace the bearing spacer and repeat the preload procedure.

Do not back off the pinion nut to reduce the preload.

Maximum torque: 2,400 kg-cm (174 ft-lb, 235 N-m)

NOTE: Using the soft jaws, hold the bearing cage in a vise.




6. STAKE LOCK NUT
Using a punch and hammer, stake the nut.