In order to compensate for the thermal expansion of the valve relative to the valve lever, a gap between the end face of the valve end and the lever

In an engine, oil is used to lubricate and cool moving parts

We replace the crankshaft oil seals when the engine is completely overhauled or if there is oil leakage in the oil seal area

Preparing the car for work.

Disconnect the negative battery terminal.

Lower the sliding window

If during movement there is extraneous noise in the area of the rear wheel (usually a whistle or howl, which increases with increasing speed, strong heating of the hub), then the bearing is out of order and needs to be replaced

Replace the hub bearing when play appears.

Bearing wear can be identified by increased noise when the vehicle is moving