According to the maintenance plan, the following work should be carried out:
Engine: check oil level.
Engine: change oil and filter.
Engine: visual control of the tightness of the lubrication system.
Engine: check the adjustment of the valves of the gas distribution system.
Cooling and heating systems: check fluid level. Check antifreeze concentration. Carry out a visual inspection for tightness and external contamination of the radiator.
Cooling and heating systems: replace the coolant concentrate.
Ignition system: check ignition timing. Adjust if necessary.
V-belt: Check condition and tension.
Diesel: Replace fuel filter.
Exhaust system: check for mechanical damage.
Petrol engine: Check idle speed and CO concentration.
Petrol engine: Replace fuel filter.
Petrol engine: Check spark plugs. Replace if necessary.
Air filter: Replace filter element.
Replace toothed belt.