Engine Overview and Common Failures
The weight of the VAZ 2108 engine according to the catalog is 127 kg. The engine number of the VAZ 2108 is located at the junction of the block and the cylinder head. The fluctuation in RPMs. Many problems with the unstable operation of the power unit are somehow related to the Solex carburetor. You need to learn how to clean and repair it yourself or befriend a relevant specialist, whose minor services you will regularly need.
The cause of engine knocking should be sought among the components of the ignition system. The inspection should start with the distributor cap, then also inspect the spark plugs and high-voltage wires.
Coolant leaks, thermostat failure, and fan malfunction are the most common causes of engine overheating.
The weakest point where oil leaks occur most often is the valve cover gasket. Usually, its replacement helps.
Loud operation is usually associated with unadjusted valves, but sometimes detonation is to blame. It can either be due to early ignition or low octane rating of fuel. It's better to find another gas station.