VN 4.037 Fastening of the rear axle final drive gearbox:
1. Rear crossmember for gearbox mounting; 2. Screw for fastening the crossmember to the body; 3. Screw for fastening the gearbox to the crossbar; 4, Front reaction rod; 5. Bandage for fastening the front rod to the gearbox M14 x 1.5 x 50 mm; 6. Washer; 7. Washer; 8. Vibration absorber; 9. Screw M6 x 35 mm
VN 4.038 1. Cardan shaft; 2. Final drive gearbox; 3. Ventilation hose; 4. screw for fastening the crossbar to the gearbox; 5. Front gearbox mounting rod; 6. Rear wheel drive shafts
1. Remove the rear suspension spring
2 Disconnect the propeller shaft (1) from the rear axle final drive gearbox and, moving it to the side, secure it to the lower part of the body. Drain the oil from the final drive gearbox.
3. Support the main gear reducer housing (2) using a jack and a special crossbar.
4. Disconnect the gearbox ventilation hose (3) from the body.
Mark the position of the gearbox housing (2) before removing the screws (4).
5. Remove the screws (4).
6. Unscrew the front bolt of the torque rod (5) of the gearbox. Mark the position of the reaction rod. If the gearbox needs to be replaced, remove the reaction rod (5) completely.
7. Lower the final drive gear (2) and pull it back slightly. Do not lower the gearbox too low, as this can damage the differential bearings and inner CV joint boots.
8. Remove the ends of the inner CV joints of the drive shafts (6) from the final drive gearbox. Install protective plugs in place of the removed drive shafts
9. If the gearbox needs to be replaced, remove the crossmember supporting the gearbox.
Install in reverse order.
Tightening pattern for the screw securing the front rod to the gearbox: 50 Nm +90°.
Tightening torque of the crossmember mounting screw to the body: 25 Nm.
Article text obtained from the website (www.mercedesman.ru)