After repairing the crankshaft, as well as the flywheel, clutch or pulley installed on it, it is necessary to balance them

Fuel is supplied from a tank installed under the bottom in the area of the rear seat

Oil pump - gear, with internal gears and pressure reducing valve

If a constant knock of valves is heard when the engine is idling, the hydraulic bearings of the drive levers are faulty. Replace defective hydraulic bearings

K-151, K-151D carburetor adjustment

The fuel level in the float chamber is adjusted with the carburetor cover removed

If you need to repair the cylinder head of the engine installed on the car, remove it as described in the article "How to replace the VAZ-2123 cylinder head gasket"

You will need: key "10", heads "15", "17", "19"

Remove the oil pan and its gasket

ZMZ-402 engines are installed on Volga, UAZ, Gazelle cars

The engines have proven themselves well during operation

You will need a key "for 12". The intermediate shaft is used to drive the oil pump

In addition, camshafts are driven through it

According to the recommendations of the factory, the alternator belt should be replaced after 15 thousand km