Drive Pinion, Removing and Installing

Drive Pinion, Removing And Installing

(1)Adjustments are required if these components are replaced





1. Drive pinion (1)
^ To remove, remove differential. Service and Repair
^ Mated to ring gear. Replace complete drive set if damaged.
^ Number of teeth
^ Adjusting ring gear and pinion shaft; Adjustments
^ Inserting; see Fig. 1
2. Tapered roller bearing inner raced
^ Pulling off; see Fig. 2
^ Pressing on; see Fig. 3
3. Bushing for drive pinion (1)
^ Pull off with tapered roller bearing inner race; see Fig. 2
^ Pressing on; see Fig. 3
4. Tapered roller bearing outer raced
^ Drive out with 3138
^ Pulling in; see Fig. 4
5. Shim S3
^ Determining thickness, adjusting drive pinion; Adjustments
6. Cover
^ Driving out; see Fig. 9
^ Driving in; see Fig. 10
7. Nut
^ Always replace
^ Engage parking lock to remove or install
^ Tightening torque, adjusting drive pinion
^ Secure by peening after checking friction torque; see Fig. 8
8. Tapered roller bearing inner race
9. Tapered roller bearing outer race
^ Drive out with drift
^ Pressing in; see Fig. 7
10. Bolt
^ 25 Nm (18 ft. lbs.)
^ Install with locking fluid AMV 188 200 03
^ Tighten in stages and diagonally
11. Cover (1)
^ For drive pinion
12. O-ring
^ Always replace
13. Spacer tube (1)
^ Installation position: Wider contact surface faces output gear.
14. Shim S4
^ Determining thickness, adjusting drive pinion
15. Output gear (1)
^ Removing; see Fig. 6
- Install heated
^ If signs of damage exist, always replace input gear and output gear together
^ Installation position: Raised collar faces toward parking lock gear
16. Parking lock gear (1)
^ Rounded side faces drive pinion teeth
17. Oil seal for drive pinion
- Drive out with drift
- Always replace
- Do not oil or grease sealing lips
^ Driving in; see Fig. 5






Fig. 1 Drive pinion, installing

A - Assembly sleeve





Fig. 2 Tapered roller bearing inner race with drive pinion bushing, removing






Fig. 3 Tapered roller bearing inner race with drive pinion bushing, pressing on






Fig. 4 Tapered roller bearing outer race, pulling into transmission housing






Fig. 5 Drive pinion oil seal, driving in to stop
- Install seal, do not oil or grease seal.
Installation position of seal:
Raised collar (inner) faces parking lock gear.






Fig. 6 Output gear, pulling off
A - Kukko 20-10 and Matra V 172 pulling hooks.






Fig. 7 Tapered roller bearing outer race, pressing in






Fig. 8 Locking hex nut
- Secure hex nut collar against flat face of drive pinion -arrow- using a drift.






Fig. 9 Cover, driving out






Fig. 10 Cover, driving in