1. Check all hydraulic clutch hoses for cracks and deformations.
2. Check the condition of the main and slave cylinders of the clutch, the tightening of their fasteners, make sure there are no leaks.
3. Check up a course of a pedal of coupling, the pedal should move freely, without jammings.
4. Working with an assistant, check the stroke of the slave cylinder, which should be 25 mm with the clutch pedal fully depressed. To check, remove the plug in the clutch housing.
5. Replace any damaged parts. Bleed the air from the hydraulic drive if the pedal is soft, the stroke of the slave cylinder is less than normal, or if any hydraulic line has been disconnected.