
Adjusting the tension of the differential bearings and monitoring the lateral clearance in the engagement of the main gear
The lateral clearance in the engagement of the main gear, which has increased due to wear of the teeth, is not reduced by adjustment, because this leads to a disruption of engagement and, as a consequence, to increased wear of the teeth, increased noise or breakage of the teeth

Checking the tightening of the cylinder head mounting bolts
Check the tightening of the cylinder head mounting bolts after the break-in period and every 40 thousand km of run on a warmed-up diesel engine in the following order:

Basic instructions for replacing piston rings D-245E3
Remove the cylinder head and oil pan from the diesel engine.
Lower the piston to the bottom dead center by manually turning the diesel flywheel.

ZIL-5301 rear axle gearbox
The car and bus are equipped with a leading rear axle with a single-stage hypoid final drive (Fig. 1).
The final drive ratio is 3.273 or 3.45.
The differential is a bevel gear with four satellites.

Unscrew the steering knuckle mounting nut and remove it using puller mod. 2496 or mod. И803.40.000 (Fig. 1) pitman arm.
Knocking the pitman arm together can cause parts to break.