VOLKSWAGEN GOLF IV

since 1997 of release

Repair and car operation



Foltsvagen Golf 4
+ 1. Maintenance instruction
- 2. Engine
   - 2.1. Petrol engines
      2.1.1. Technical characteristics
      2.1.2. Removal and installation of the bottom mudguard of a motor compartment
      + 2.1.3. Engine 1,6-/1,8-I
      + 2.1.4. Engine 1,4-I
      + 2.1.5. The engine 2,3 - I-VR5
      2.1.6. Compression check in engine cylinders
      + 2.1.7. Removal and installation of a poliklinovy belt
      + 2.1.8. Recommendations about engine oils
      + 2.1.9. Circulation of engine oil
      2.1.10. Check of pressure of oil and sensor of pressure of oil
      2.1.11. Removal and installation of the oil pallet
      2.1.12. Engine start after major maintenance
      2.1.13. Diagnostics of malfunctions of the engine
      2.1.14. Main malfunctions of system of greasing
   + 2.2. Diesel engines
+ 3. Cooling system
+ 4. Fuel system
+ 5. Exhaust system
+ 6. Ventilation and heating system
+ 7. Coupling
+ 8. Transmission
+ 9. Suspension brackets and power shafts
+ 10. Steering
+ 11. Wheels and tires
+ 12. Brake system
+ 13. Body
+ 14. Electric equipment and electroschemes




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Имя Администратора: Пономарев Иван Максимович
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2. Engine

2.1. Petrol engines

GENERAL INFORMATION

On Golf cars are established four - and five-cylinder petrol engines. On four-cylinder engines cylinders are located in one plane, and on five-cylinder engines cylinders are located in two planes at an angle 15 ° to each other. Engines settle down cross-section in a motor compartment. At the left and on the right the engine is fixed in the rezinometallichesky support located from above therefore the engine can shake as a pendulum. Such suspension bracket of the power unit reduces transfer of fluctuations by a car body.

The block of cylinders of engines 1,4 and 1,6 of l is made of aluminum with plug-in pig-iron sleeves of cylinders. In other engines the block of cylinders is made of gray cast iron. The head of the block of cylinders is made of an easy alloy and bolts fastens to the block of cylinders. In a head of the block of cylinders are pressed steel directing and saddles of valves. To the lower part of the block of cylinders of the engine the oil pallet in which the oil necessary for greasing and cooling of the engine flows down fastens.

In petrol engines the scheme of a cross-section stream at which the toplivovozdushny mix arrives in engine cylinders on the one hand the engine is used, and exhaust gases are removed on the other side of the engine. At such design of the engine filling of cylinders with a toplivovozdushny mix and removal of products of combustion considerably improves.

ENGINE 1,4-I

In this engine on each cylinder it is established on two inlet and two final valves. The drive of valves is carried out by two camshafts. One camshaft operates inlet valves, and other camshaft – final. The drive of the camshaft operating final valves, is carried out by a gear belt from a pulley of a cranked shaft. The drive of the camshaft operating inlet valves, is carried out by a gear belt from a camshaft operating final valves.

ENGINE 1,6-I

The camshaft is established in a head of the block of cylinders and is put in action by a gear belt from a pulley of a cranked shaft. Management of the inlet and final valves established vertically, is made by camshaft cams through hydraulic pushers.

ENGINE 1,8-I

In this engine on each cylinder it is established on five valves – three inlet and two final. The drive of valves is carried out by two camshafts. One camshaft operates inlet valves, and other camshaft – final. The drive of the camshaft operating final valves, is carried out by a gear belt from a pulley of a cranked shaft.

The drive of the camshaft operating inlet valves, is carried out by a chain from a camshaft operating final valves. The increase in number of valves at the cylinder considerably improves cylinder filling with a toplivovozdushny mix and removal of products of combustion.

ENGINE 2,3-I (VR5)

In the VR5 engine five cylinders are located in two planes at an angle 15 ° in one block of cylinders. Two camshafts, established in a head of the block of cylinders, are put in action by a chain. In each cylinder it is established on one inlet and final valve.

ALL ENGINES

Adjustment of klapanny gaps is made automatically with use of hydraulic pushers, manual adjustment is not required.

For supply of oil to rubbing surfaces of the engine the oil pump is used. On l engines 1,6 and 1,8 the drive of the oil pump is carried out by a chain from a cranked shaft. On engines 1,4-I the oil pump is established in a forward cover of a cranked shaft and its drive is carried out by directly cranked shaft. Under pressure oil moves to channels and bearings of cranked and distributive shaft.

The water pump fastens sideways the block of cylinders of the engine, and its drive is carried out by a gear belt, and on five-cylinder engines – a maple belt. Klinova or poliklinovy the auxiliary belt also puts in action the generator, the pump of the amplifier of a steering and the conditioner compressor. Keep in mind that the system of cooling of the engine should be filled all the year round with an antifreeze and water mix with the low content of lime.

Preparation and ignition in cylinders of the engine of a toplivovozdushny mix is carried out by a control system of the engine which does not demand adjustments. The corner of an advancing of ignition and turns of idling are regulated by a control system of the engine. In the course of carrying out maintenance it is necessary to make replacement of spark plugs and filtering element of the air filter.


Prevention

The fan of a radiator can turn on after engine and ignition switching off therefore at work on the hot engine be careful. In order that the fan of a radiator did not turn on, disconnect from the engine of the fan of a radiator the electric socket.