The crankshaft seals are replaced when oil leaks through the cuffs

We install the car on a viewing ditch or lift and remove it:

UMP-4178, -4179, -4218 or ZMZ-4021, -4104 engines are installed on the car.

They all have basically the same design

Proper selection and installation of the piston group plays an important role in engine operation

All parts of the connecting rod and piston group are divided into categories and are selected individually for each other

The system consists of an electronic control unit, a microswitch, a forced idle economizer valve, a solenoid valve, connecting hoses and wires (Fig. 1)

We replace the supports if they are worn out

We prepare the car and install it on a viewing ditch or lift

We prepare the car for the task and turn off the battery mass

Remove the air filter housing and air filter adapter as described in previous articles