Skywell, differential repair in Bnei Shimon

Skywell, differential repair in Bnei Shimon.
Any problems with engaging the gear may indicate the need to repair the differential. The list of repair operations includes: changing the oil in the differential, replacing the speedometer gear, replacing the gears of the driven and driving semi-axles, replacing the differential bearings, restoring the shape of the surfaces of the semi-axles, changing the oil in the differential, replacing the oil seals, replacing the bearing.