
The drive gear of the main gear is made integral with the shaft (shank) and is installed in the neck of the gearbox on two tapered bearings.

Wash gear parts thoroughly before inspecting.
This will make it easier to identify wear and damage to parts

When disassembling the box, it is advisable to mark in any way, or remember where which part was, because many parts are similar.
When installing new parts, you need to take into account the gaps and lapping of adjacent parts.

The basic work of repairing a five-speed gearbox is similar to repairing a four-speed gearbox.
Disassembly and assembly of a four-speed gearbox is described in the article - "Disassembly and assembly gearboxes VAZ-2107”.