Car engine repair VAZ-2109

Car engine device
On cars of the VAZ-2108, VAZ-2109 family, engines 2108, 21081 and 21083 are used with a displacement of 1.3, respectively; 1.1 and 1.5 liters. These engines are unified, that is,...

Power unit suspension
power unit (engine with gearbox and clutch) installed on the car on elastic supports. They perceive both the weight of the power unit and the loads that occur when the car starts...

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...

The main malfunctions of the crank mechanism and cylinder block
The main malfunctions of the crank mechanism include knocks of pistons and fingers, knocks in the crankshaft bearings, a drop in compression in the cylinders and engine power,...

Timing mechanism and cylinder head
The gas distribution 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 gas distribution mechanism
After running the first 2000 km it is necessary: tighten the nuts securing the camshaft bearing housings with a torque of 2.2 kgf·m in the order indicated on rice. 25 ; adjust the...

Checking the condition of the camshaft drive belt
In order to prevent a sudden break in the belt, it is necessary to constantly monitor its condition. The surface of the toothed part of the belt must be with a clear profile of...

Camshaft drive belt tension adjustment
Remove the front toothed belt guard and turn the crankshaft at its bolt clockwise two turns. Check belt tension. It is considered normal if in the middle part of the branch...

Adjustment of gaps in the gas distribution mechanism
Gap A ( see fig. 19 ) between the camshaft lobes and shims on a cold engine must be (0,2±0,05) mm for intake valves and (0,35±0,05) mm for graduation. These gaps are necessary in...

Replacing the camshaft drive belt
When performing belt replacement operations, it must be remembered that when the belt is removed, the crankshaft cannot be rotated. Also, the camshaft must not be rotated if the...

The main malfunctions of the gas distribution mechanism and cylinder head
Valve knock Its frequency is less than the frequency of the knock of the crankshaft bearings, since the valves are driven by the camshaft Causes of the malfunction and how to fix...