Car engine repair VAZ-2105

In this section, all articles on the removal, disassembly, repair and assembly of the engine of the VAZ-2105 Zhiguli car.

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 vehicle, the following...

Engine mount design
The design and parts of the engine suspension are the same on all models of Zhiguli cars, including the VAZ-2105 and VAZ-2104. A three-point suspension scheme is adopted for...

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

Checking the technical condition and repairing the cylinder block
Examination Thoroughly wash the cylinder block and clean the oil passages. Blow and dry the cylinder block with compressed air, then inspect it. If there are cracks in the...

Construction of the connecting rod and piston group
Piston Pistons 4 and 6 (Fig. 3) of 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 running-in 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 vehicle. Disassembly of the connecting rod...

Checking the technical condition and selecting parts of the connecting rod and piston group
Clean the piston from carbon deposits and remove all deposits from the piston and connecting rod lubrication channels. Carefully inspect the parts. Cracks of any kind on the...

Crankshaft and flywheel design
It is cast from high-strength cast iron and has five bearing (main) journals, hardened by high-frequency currents to a depth of 2-3 mm. At the rear end of the crankshaft 1 (Fig....

Checking the technical condition and repairing the crankshaft and flywheel
Crankshaft Inspect the crankshaft. Cracks in any place of the crankshaft are not allowed. Scratches, nicks and marks are not allowed on the surfaces mating with the working edges...

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

Valve mechanism design
Valves 2 are driven by camshaft 6 rotating in bearing housing 5, with the help of intermediate levers 4. The clearance A between the cams of the camshaft and the lever is set by...

Removal and installation the cylinder head
Removal On a car, this is done if it is not necessary to remove the engine itself to fix the problem, or if it is only necessary to remove carbon deposits from the surface of the...

Disassembly and assembly of the cylinder head
Disassembly If only one part needs to be replaced, you don't have to disassemble the cylinder head completely, just remove the damaged parts. Disassemble the cylinder head...

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

Design of the camshaft and its drive
Camshaft Cast iron, identical for all engine models. It rests on 5 journals and rotates in an aluminum bearing housing mounted on the cylinder head. A driven sprocket is attached...

Removal and installation the camshaft
Removal 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;...

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

Checking the technical condition of the camshaft parts
Camshaft The bearing journals of the camshaft must not have any scoring, nicks, scratches, or aluminum drag from the bearing housings. The working surfaces of the cams must not...

Possible engine malfunctions
Possible engine malfunctions, their causes and solutions are given in the table.

Removal and installation the engine
To remove the engine, place the car on a viewing pit or on a lift. Place chocks under the front wheels and lift the rear axle on one or both sides. Remove the hood, disconnect the...

Disassembling the engine
Engine 2105 Wash the engine in a washing machine, install it on a disassembly stand and drain the oil from the crankcase. Remove the carburetor by disconnecting the hoses and...

Engine assembly
Engine 2105 Place the washed and cleaned cylinder block on the stand and tighten the missing studs. Lubricate the cylinders, pistons, seals, bearing shells and crankshaft thrust...

Engine adjustments
Adjusting the tension of the camshaft drive belt On 2105 engines, belt tension adjustment is carried out in the following order: Remove the upper protective cover of the belt...

Engine running-in after repair
The repaired engine undergoes bench testing (running-in) without load according to the following cycle: at a speed of 820–900 min⁻¹ — 2 min, 1000 min⁻¹ — 3 min, 1500 min⁻¹ — 4...

Engine detailing

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More articles from other manuals on VAZ cars:
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➠ Power unit: Engine repair VAZ-2108 (1984-2003)
➠ Power unit: Engine repair VAZ-2121 (1977-1994)

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