Car engine repair VAZ-2109

All articles on the removal, disassembly, inspection, repair and assembly of the engine of the VAZ-2108 and VAZ-2109 Sputnik.

The structure of a car engine
The VAZ-2108, VAZ-2109 family cars use engines 2108, 21081 and 21083 with a working volume of 1.3, respectively; 1.1 and 1.5 l. These engines are unified, i.e. they have the same...

Powertrain suspension
Power unit (engine with gearbox and clutch) is mounted on the vehicle on elastic supports. They take both the weight of the power unit and the loads that occur when the vehicle...

Crank mechanism and cylinder block
The crank mechanism is used to convert the reciprocating motion of the piston into the rotational motion of the crankshaft. The mechanism consists of pistons with piston rings and...

Main faults of the crank mechanism and cylinder block
The main faults of the crank mechanism include knocking of pistons and pins, knocking in the crankshaft bearings, loss of compression in the cylinders and engine power, leakage of...

Valve timing and cylinder head
The valve timing mechanism admits fresh portions of the combustible mixture into the cylinders and releases combustion products from them — exhaust gases. These processes must...

Maintenance of the valve timing mechanism
After running the first 2000 km it is necessary: tighten the camshaft bearing housing fastening nuts to a torque of 2.2 kgf·m in the order indicated on figure 25 ; adjust the...

Checking the condition of the camshaft drive belt
To prevent a sudden belt break, it is necessary to constantly monitor its condition. The surface of the toothed part of the belt should have a clear tooth profile, without folds,...

Adjusting the tension of the camshaft drive belt
Remove the front timing belt cover and turn the crankshaft by its bolt clockwise two turns. Check the belt tension. It is considered normal if in the middle part of the branch...

Adjusting the clearances in the valve timing mechanism
Gap A ( see figure 19 ) between the camshaft cams and the adjusting washers on a cold engine should be (0.2±0.05) mm for the intake valves and (0.35±0.05) mm for the exhaust...

Replacing the camshaft drive belt
When replacing the belt, remember that the crankshaft must not be rotated when the belt is removed. The camshaft must not be rotated either if the pistons of any of the cylinders...

Main faults of the valve timing mechanism and cylinder head
Valve knocking Its frequency is lower than the knocking frequency of the crankshaft bearings, since the valves are driven by the camshaft Causes of the malfunction and ways to...

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More articles from other manuals on VAZ cars:
➠ Electrical equipment: Engine electrics VAZ-2115 (1997-2012)
➠ Electrical equipment: Engine electrics VAZ-2101 (1970-1983)
➠ Electrical equipment: Engine electrics VAZ-2104 (1984-2012)
➠ Power unit: Engine repair VAZ-2107 (1982-2012)
➠ Electrical equipment: Engine electrics VAZ-2112 (1999-2007)

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