
The design of the gearbox is discussed in the article - Design features of the rear gearbox VAZ-2123
We wash and clean the gearbox from dirt and oil.

The hydraulic block or hydraulic distributor, receiving signals from the electronic control unit, switches channels in the control valve block and controls the clutch engagement pressure

Gearbox - mechanical with manual shifting, has five forward gears and one reverse gear, all forward gears are synchronized

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”.