Car engine repair VAZ-1111 Oka

In this section, all articles on the removal, disassembly and repair of the engine of the VAZ-1111 Oka car.

General information about engines
Engines of VAZ-1111 and 11113 models (figure 2 and 3), used in cars are 4-stroke carburetor, 2-cylinder with in-line, vertical cylinder arrangement and with a camshaft located on...

Engine mount device
Power unit (engine assembly with gearbox and clutch) mounted on a welded tubular subframe ( see figure 81 ) on three elastic rubber-metal supports 1, 5 and 7 (figure 4). The...

Crank mechanism design
The crank mechanism consists of a cylinder block, a piston with a connecting rod, and a crankshaft with a flywheel. Cylinder block Cast iron, cast. Block cylinders are divided...

The device of the balancing mechanism
To compensate for the inertial forces from the crank mechanism parts, the engines have two balancing shafts 1 and 12 ( see figure 3 ). Each of them is mounted in the cylinder...

The device of the gas distribution mechanism
Consists of a camshaft 5 (figure 6), valves 2 and guide bushings, springs with fastening parts and cylindrical pushers 3 valves. The mechanism parts are located on the cylinder...

Possible engine malfunctions
Possible engine malfunctions, their causes and solutions. The engine does not start Engine runs rough or stalls at idle The engine runs unevenly and unstably at high crankshaft...

Removal and installation of the power unit
The power unit, which consists of the engine, clutch and gearbox, is removed from the engine compartment together with the subframe downwards. In this case, the front wheel drive...

Removal and installation the cylinder head
The head is removed from a car if it is not necessary to remove the power unit to fix the malfunction or if it is necessary to remove carbon deposits from the surface of the...

Removal and installation the camshaft
Remove the camshaft in the following order. Brake the car with the parking brake and set the gearshift lever to neutral. Disconnect the wire from the negative terminal of the...

Removal and installation the camshaft drive belt
Before starting to replace the belt, brake the car with the parking brake, engage fourth gear and turn the front wheels to the right as far as they will go. Open the hood, remove...

Removal and installation the camshaft oil seal
Before replacing the seal, brake the car with the parking brake and set the gearshift lever to neutral. Open the hood, remove the spare wheel and disconnect the wire from the...

Removal and installation the front crankshaft oil seal
To replace the seal, place the car on a two-post lift, apply the parking brake, and perform all the preparatory operations as for removing the camshaft seal. Additionally, remove...

Removal and installation the rear crankshaft oil seal
Before starting to replace the seal, place the car on a lift and remove the gearbox (see section. " Transmission "). Loosen the bolts securing the clutch housing to the flywheel...

Removal and installation the balance shaft gear
To replace the gear, place the vehicle on a two-post lift and remove the gearbox as described in section. " Transmission ". Loosen the bolts securing the clutch housing to the...

Removal and installation of the connecting rod and piston group
To remove parts of this group, place the car on a lift and disconnect the wire from the negative terminal of the battery. Raise the car, remove the engine mudguards and drain the...

Disassembly and assembly of the power unit
Disassembly Remove the exhaust pipe with the bracket. Unscrew the bolt and nut securing the starter 2 (figure 29) to the clutch housing and remove the starter. Remove brackets 6 (...

Disassembling the engine
The washed and cleaned engine is placed on a disassembly stand and the oil is drained from the crankcase. Remove the fuel supply hose from the fuel pump to the carburetor and the...

Engine assembly
A clean cylinder block assembled with balance shafts is installed on the stand and the missing studs are screwed into it. The bearing shells and the crankshaft thrust half rings,...

Disassembly and assembly of the cylinder block
Disassembling the cylinder block consists of removing the balance shafts. They are removed only if it is necessary to replace damaged bearings in the following order. Remove the...

Disassembly and assembly of the connecting rod and piston group
When disassembling, remove the piston rings. Place the piston in a support with a cylindrical recess and, using the A.60308 mandrel, centered in the piston pin hole, press out the...

Disassembly and assembly of the cylinder head
If only one part needs to be replaced, then you don't have to disassemble the cylinder head completely and remove only what is needed for replacement. The cylinder head is...

Checking and repairing the cylinder block
When checking, thoroughly wash the cylinder block and clean the oil channels. Blow and dry with compressed air, then inspect the cylinder block. Cracks in any place of the...

Checking and repairing 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...

Checking and repairing the crankshaft and flywheel
Crankshaft Inspect the crankshaft. Cracks in any place of the crankshaft are not allowed. No scratches, burrs or grooves are allowed on the surfaces mating with the working edges...

Checking and repairing the cylinder head
The cylinder head is thoroughly washed and the oil channels are cleaned. Carbon deposits are removed from the combustion chambers and from the surface of the exhaust channels with...

Checking and repairing the camshaft and its drive
The bearing journals of the camshaft are not allowed to have any scoring, nicks, scratches or dragging of aluminum from the bearings. The working surfaces of the cams and...

Adjusting clearances in the valve drive mechanism
Gap A ( see figure 6 ) 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...

Adjusting the tension of the camshaft drive belt
The tension of the toothed belt is an important adjustment indicator that ensures high belt durability, no slippage of the pulley teeth and quiet operation. The tension of the...

Adjusting the alternator drive belt tension
Normal deflection A (figure 66) the belt should be within 10-15 mm at a force of 100 N. To adjust the belt tension 4, loosen the nuts securing the generator to the tension bar 1...

Setting the ignition timing
The ignition advance angle before TDC at a crankshaft speed of 820–900 min⁻¹ should be (1±1)° for 1111 engines and (4±1)° for 11113. To check the ignition timing on the car there...

Engine running-in after repair
The repaired engine is subjected to bench tests (running-in) without load according to the following cycle: at a rotation speed of 820-900 min⁻¹ — 2 min; 1000 min⁻¹ — 3; 1500...

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More articles from other manuals on VAZ cars:
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➠ Electrical equipment: Engine electrics VAZ-2115 (1997-2012)
➠ Electrical equipment: Engine electrics VAZ-2107 (1982-2012)
➠ Power unit: Engine repair VAZ-21011 (1974-1983)
➠ Power unit: Engine repair VAZ-2108 (1984-2003)

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