Replace piston rings after 70,000–90,000 km (depending on vehicle operating conditions)
Before disassembling, thoroughly clean the engine of dirt and oil
Transistor switch type 131.3734 or 90.3734 is installed on the car on the left mudguard behind the battery
Disassembling a partially synchronized gearbox
Disassemble in the following order:
Fill the hydraulic drive with fluid and pump it to remove air in the following order:
Replace pistons when the groove of the upper piston ring or piston skirt is worn
Fill the hydraulic drive only with special brake fluid according to the instructions in the lubrication table in the following order:
