Axle seals
Oil seals are part of the drive bearing. The bearing is lubricated at the factory and the bearing does not require maintenance.
If traces of grease are found in the bearing area, the bearing must be replaced. The necessary work is described in the subsection below "Removal and installation of axle shafts and axle bearing".
Replacing the stuffing box in the sleeve of the bridge (model with ABS)
The oil seal in the axle sleeve is installed only for vehicles with ABS and disc brakes. The axles of vehicles without ABS have a bearing bracket without an oil seal.
The oil seal is replaced as follows:
1. Remove the axle shaft from the sleeve of the bridge (see relevant subsection).
2. Remove the oil seal with a screwdriver from the sleeve of the bridge
3. Press in the new oil seal using the appropriate pipe
4. Install the axle shaft in place.
Differential case cover seal
For coil spring suspension, mark the position of the axle sleeve relative to the brake pressure regulator connecting rod bracket.
If there are no helical springs, then the work is carried out as follows:
1. Remove two nuts.
2. Remove the brake pressure regulator bracket from the axle on the differential case cover.
3. Place a container under the differential case.
4. Remove the drain plug in the bridge.
5. Drain the oil.
6. Remove the twelve cover screws and remove the cover.
7. Thoroughly clean the mating surfaces of the crankcase and cover.
8. Apply sealant to the cover.
9. Reinstall it on the crankcase, securing it with bolts.
10. Tighten the bolts evenly to 24 Nm.
11. If there are brake pressure regulator connecting rods, install them according to the markings and secure with bolts.
12. Fill the bridge with oil up to the lower edge of the plug hole.
Replacement of an epiploon of a leading gear wheel of the main transfer
The work presents certain difficulties, since it requires measuring the preload torque of the drive gear bearings, followed by complete disassembly, assembly and adjustment of the assembly. Therefore, it is recommended that the drive gear oil seal be replaced by a workshop.
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