The gearbox and engine are combined into one power unit. In order to remove and disassemble the gearbox, you need to do a lot of work. Therefore, it is advisable to preliminarily determine the malfunction in order to prepare the necessary spare parts and in vain not to disassemble the gearbox.
During operation, malfunctions in the gearbox occur most often from overloads, rough, power shifting, problems with the transmission fluid, it is not uncommon for parts to be damaged after self-repair of the box, when they make mistakes when assembling and adjusting it.
Signs of a malfunction in the gearshift mechanism can be: Incorrect gear shifting.
Noise generated by the friction of the shift clutch against one of the gears, when the gear lever is in the neutral position and the engine is running. The noise disappears when the clutch is released or while driving.
When operating a car in a gearbox, the following malfunctions may occur: wear of gears and bearings, breakage of gear teeth (with these malfunctions, noise is heard in the gearbox). Rapid gear wear can be caused by insufficient or no oil in the gearbox. Gear failure is most often caused by careless gear shifting (if, when driving at high speed, engage first gear and quickly release the clutch pedal).