PROBLEM | POSSIBLE REASON | SOLUTION |
| Difficult engine start | Malfunction or condition of the engine parts
Burning valve
Wear of pistons, piston rings or cylinder
Failure of the cylinder head gasket |
Replace
Replace or repair
Replace
|
| Faulty fuel system | See. Section Fuel System |
| Faulty ignition system | See. Subsection 7.8. |
| Unstable work of the engine | Malfunction or condition of the engine parts
Defective hydraulic jacks of backlashes of valves *
Gapping to the valve seat
Failure of the cylinder head gasket |
Replace
Repair or replace
Replace |
| Faulty fuel system | See. Section Fuel System |
| Faulty ignition system | See. Subsection 7.8. |
| Increased oil consumption | Increased oil consumption through piston group
Wear of the piston ring groove and sticking it in the piston
Wear of piston or cylinder |
Replace
Replace or repair |
The increased flow of oil through the valves
Worn valve stem seals
Worn valve stem or guide |
Replace
Replace |
| Oil leak | Tighten |
| Lack of engine power | Poor compression
Defective hydraulic jacks of backlashes of valves *
Reducing the compression due to the gapping of the valve seat
Jamming of the valve stem
Reducing the stiffness or broken valve spring
Failure of the cylinder head gasket
Cracking or warping of the cylinder head
Jamming, damage or wear of the piston ring
The appearance of cracks or wear on the piston | Replace
Repair
Replace
|
| Faulty fuel system | See. Section Fuel System |
| Faulty ignition system | See. Subsection 7.8. |
Other defects
Slip clutch
Tacking brakes
Improper tire size | See. Subsection 8.11 |
| Violations of the combustion process | Malfunction or condition of the engine parts
Defective hydraulic jacks of backlashes of valves *
Sticking or scorching valve
Reducing the stiffness or broken valve spring
Carbon formation in the combustion chamber |
Replace
Adjust
Replace
Remove a deposit |
| Faulty fuel system | See. Section Fuel System |
| Faulty ignition system | See. Subsection 7.8. |
| Increased noise of the engine | Crankshaft and bearing details
Increased clearance in the main bearing
Jamming or melting of main bearing shells
Extended crankshaft end play
Increased clearance in the connecting rod bearings
Jamming or melting of the connecting rod bearing | Replace or repair
Replace
Replace or repair
Replace or repair
Replace |
Details piston
Wear cylinder
Worn piston or piston pin
Seized piston
Damage to the piston rod bending ring | Replace or repair
Replace Replace Replace
Replace |
Details of the timing
Wrong valve clearance
Faulty valve spring
Too big a gap between the guide and the valve stem
Defective toothed belt tensioner | Replace
Replace
Replace
Replace |
| Faulty fuel system | See. Section Fuel System |
| Faulty ignition system | See. Subsection 7.8. |
Other defects
Faulty water pump bearing
It is incorrect belt tension
Faulty Generator bearing
Leaking exhaust gases
Defective toothed belt tensioner | |
