Box NVG 236/246 NP8, early models
1. Raise the car.
2. Remove the transfer box guard, if installed.
3. Remove the front propeller shaft.
4. Remove the rear driveshaft.
5. Disconnect the wiring connector for the transfer case shift motor.
6. Remove the transfer case ventilation hose.
7. Remove the bundle of wires from the transfer case.
8. Place a jack under the transfer case, fix the box on the jack.
9. Turn away nuts of fastening of a distributing box. Tightening torque 50 Nm.
10. Separate the transfer case from the automatic transmission moving backward without distortion.
Attention: when removing the transfer case, do not remove the automatic transmission support or the transfer case adapter.
11. Turn the transfer case so that it is perpendicular to the automatic transmission.
12. Lower the transfer case.
13. Install in reverse order.
Box BW4482-NR4/4481-NR3 and NVG 236/246 NP8 late models
1. Raise the car. Remove the transfer box guard.
2. Drain the oil from the box.
3. Remove the front propeller shaft.
4. Remove the rear driveshaft.
5. (NVG 236/246 NP8) Disconnect the hose (2) ventilation of the transfer case from the fitting (1).
6. Lay the hose aside.
7. Release the box wire bundle from the support clips.
8. (NVG 236/246 NP8) Detach the retainer (4) wiring harness from the fuel pipe bracket.
(All boxes) Remove the remaining wire harness retainers.
9. Disconnect connector (2) wiring of the electric motor for switching modes of the transfer case.
10. Disconnect the connector (1) vehicle speed sensor.
BW4482-NR4/4481-NR3 | NVG 236/246 NP8 |
11. (NVG 236/246 NP8) Disconnect the remaining speed sensor connectors.
12. Lay the wires aside.
13. Place a jack under the automatic transmission and transfer case, fix the box on the jack.
BW4482-NR4/4481-NR3 only
14. Turn away nuts of fastening of an automatic transmission support. Tightening torque 40 Nm.
15. Turn away bolts of fastening of a crossbeam of an automatic transmission support. Tightening torque 70 Nm.
16. Remove the cross member.
17. Turn away bolts of fastening of an automatic transmission support. Tightening torque 50 Nm.
18. Remove the automatic transmission support.
All boxes
19. Turn away nuts of fastening of a distributing box. Tightening torque 47 Nm.
20. Remove the fuel tube support bracket.
21. Separate the transfer case from the automatic transmission moving backward without distortion.
22. Turn the transfer case so that it is perpendicular to the automatic transmission.
23. Lower the transfer case.
24. Installation is carried out in the reverse order.