Audi A4 with 2001- 2005 of release.
1. Operation and car maintenance service
2. The engine
2.1. The general data
2.1.1. The general recommendations about service and repair of engines
2.2. Predvaritlnye checks
2.3. A Mehanichsky part (petrol engines 2,0л)
2.4. Greasing system
2.5. Cooling system
2.6. Injection system
2.7. System of release of the fulfilled gases
2.8. A mechanical part (petrol engines 3,0; 3,2)
2.9. A mechanical part (petrol engines 4,2)
2.10. A mechanical part (diesel engines 2,0)
2.11. Tables
3. Transmission
4. A running gear
5. The steering mechanism
6. Brake system
7. An onboard electric equipment
8. A body
9. Electric equipment schemes



2.1.1. The general recommendations about service and repair of engines

Adjustment клапанных backlashes is made automatically with use of hydraulic pushers and does not demand manual adjustment. For oil giving to rubbing surfaces of the engine the oil pump which in four – and pjatitsilin-drovyh engines is located in the pallet картера is used and its drive is carried out by intermediate shaft. On shestitsilin-drovyh engines the oil pump is located in a forward cover of a cranked shaft and its drive is carried out directly from a cranked shaft. Under pressure oil moves to channels to bearings of cranked and distributive shaft.
The water pump on four – and pjatitsilin-drovyh engines fastens sideways the block of cylinders of the engine. The drive of the water pump is made клиновым by a belt or a ridge auxiliary belt which also puts in action the generator, the pump of the amplifier of a steering and the conditioner compressor. On the six-cylinder engine the water pump is located in a forward part of the engine and put in action by a gear belt. Keep in mind that the system of cooling of the engine should be filled all year long by a mix of antifreeze and water with the low maintenance to exhaust. Preparation and ignition in cylinders of the engine mix fuel-air is carried out by the control system of the engine which is not demanding adjustment. The corner of an advancing of ignition and idling turns are regulated by a control system of the engine. In the course of maintenance service carrying out it is necessary to make replacement of spark plugs and filtering element of the air filter.

2.1. The general data

2.2. Predvaritlnye checks