Car engine repair VAZ-2105

Engine Specifications
The cars are equipped with 4-stroke piston carburetor internal combustion engines with an overhead camshaft. Depending on the model or modification of the car, engines of the...

Engine mount design
The design and parts of the engine mount are the same on all car models «Zhiguli», including the VAZ-2105, VAZ-2104. To install the engine 3 complete with gearbox and clutch, a...

The design of the cylinder block
The cylinder block is made by casting from special high-strength cast iron. The holes for the cylinders are bored directly into the block. To obtain a high degree of accuracy and...

Check of a technical condition and repair of the block of cylinders
Examination Thoroughly flush the cylinder block and clean the oil passages. After blowing and drying the cylinder block with compressed air, inspect it. If there are cracks in the...

The design of the connecting rod and piston group
Piston Pistons 4 and 6 (pic. 3) all engine models are cast from aluminum alloy. The outer surface of the piston is coated with a thin layer of tin to improve its adaptability to...

Disassembly and assembly of the connecting rod and piston group
Disassembly The connecting rod and piston group is removed and installed during disassembly and assembly of the engine removed from the car. The disassembly of the connecting rod...

Checking the technical condition and selection of parts of the connecting rod and piston group
Clean the piston from carbon deposits and remove all deposits from the lubrication channels of the piston and connecting rod. Check the details carefully. Cracks of any nature on...

Crankshaft and flywheel design
Cast from ductile iron and has five support (indigenous) necks, hardened by high-frequency currents to a depth of 2-3 mm. At the rear end of the crankshaft 1 (pic. 7) there is a...

Checking the technical condition and repair of the crankshaft and flywheel
Crankshaft Inspect the crankshaft. Cracks anywhere on the crankshaft are not allowed. Scratches, nicks and risks are not allowed on surfaces mating with the working edges of the...

Cylinder head design
Cast from aluminum alloy, it has wedge-shaped combustion chambers, pressed-in seats and valve guides. The valve seats are made from special cast iron to provide high impact...

Valve mechanism design
The valves 2 are actuated by the camshaft 6, which rotates in the bearing housing 5, with the help of intermediate levers 4. The gap A between the camshaft cams and the lever is...

Removal and installation of a head of cylinders
Removing On a car, this is done if it is not necessary to remove the engine itself to eliminate the malfunction, or if it is only necessary to remove carbon deposits from the...

Dismantling and assembly of a head of cylinders
Disassembly If only a part needs to be replaced, then you can not completely disassemble the cylinder head, but remove only the damaged parts. Completely disassemble the cylinder...

Check of a technical condition and repair of a head of cylinders
Cylinder head Before checking, install the cylinder head on a stand in the form of a metal or wooden frame, remove carbon deposits from the walls of the combustion chambers and...

The design of the camshaft and its drive
Camshaft Cast, cast iron, the same for all engine models. Relies on 5 necks and rotates in an aluminum bearing housing mounted on the cylinder head. A driven sprocket is attached...

Removal and installation of a camshaft
Removing Remove the camshaft in the following order: disconnect the wires from the battery; remove the air filter and close the carburetor neck with a technological plug;...

Removing and installing the camshaft drive belt
Removing The sequence of operations for removing the belt is as follows: disconnect the wires from the battery; unscrew the nut securing the generator to the tension bar, turn the...

Removal and installation of a chain of a drive of a camshaft
Removing When removing the chain, the operations are performed in the following order: drain the coolant from the engine cooling system; remove the air filter and battery;...

Checking the technical condition of the camshaft parts
Camshaft On the bearing journals of the camshaft, scuffing, nicks, scratches, aluminum enveloping from bearing housings are not allowed. On the working surfaces of the cams, wear...

Possible engine malfunctions
Possible engine malfunctions, their causes and remedies are shown in the table.

Removal and installation of the engine
To remove the engine, place the car on a viewing ditch or on a lift. Chock the front wheels and jack up the rear axle on one or both sides. Remove the hood, disconnect the wires...

Engine disassembly
Engine 2105 Wash the engine in a car wash, place it on a dismantling stand and drain the oil from the crankcase. Remove the carburetor by disconnecting the hoses and throttle...

Engine Assembly
Engine 2105 Install the washed and cleaned cylinder block on the stand and wrap the missing studs. Lubricate the cylinders, pistons, oil seals, bearing shells and crankshaft...

Engine settings
Camshaft drive belt tension adjustment On engines 2105, the belt tension is adjusted in the following order: Remove the upper protective cover of the belt drive. Loosen the...

Engine break-in after repair
The overhauled engine is bench tested (running-in) without load for the following cycle: at a speed of 820-900 min -1 — 2 min, 1000 min -1 — 3 min, 1500 min -1 — 4 min, 2000 min...