Repair and service Audi A8 in body D2 with 1994 for 1999 of release.
1. Car operation
2. Maintenance service
3. Petrol engines of 2,8 l
4. Petrol engines of 3,7 and 4,2 l
5. Diesel engines of 2,5 l
6. Diesel engines of 3,3 l
7. Systems of ignition and injection of fuel of petrol engines
8. System of release of the fulfilled gases of cars with petrol engines
9. The power supply system of diesel engines
10. System of prestarting heating of diesel engines
11. System of release of the fulfilled gases of cars with diesel engines
12. Greasing system
12.1. Recommendations about application of engine oils
12.2. The oil pallet and the oil pump of the diesel engine of 2,5 l
12.3. The oil pallet and the oil pump of the diesel engine of 3,3 l
12.4. The oil pallet and the oil pump of the petrol engine of 2,8 l
12.5. The oil pump of petrol engines of 3,7 and 4,2 l
13. Cooling system
14. Coupling
15. A transmission
16. Shaft of a drive of forward wheels
17. Features of a design of transmission of all-wheel drive cars
18. A suspension bracket
19. Wheels and tyres
20. A steering
21. Brake system
22. A body
23. Heating and air-conditioning system
24. An electric equipment
25. Electric schemes
 



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12.2. The oil pallet and the oil pump of the diesel engine of 2,5 l

The bottom section of the oil pallet of the diesel engine of 2,5 l
Uncover a broad tank.

Fig. 3.3–34. An arrangement of screws of fastening of a heater of an exhaust pipe and a noise isolation of an additional heater



Unscrew screws of fastening of a heater of an exhaust pipe and a noise isolation of an additional heater (fig. 3.3–34 see).

Fig. 3.3–35. An arrangement of clamps of fastening of the bottom mudguard of a motor compartment



Release clamps and remove forward section of the bottom mudguard of a motor compartment (fig. 3.3–35 see).

Fig. 6–3. An arrangement of an electric socket of the gauge of level of engine oil



Disconnect an electric socket from the gauge of level of oil (fig. 6–3).
Establish under the engine capacity for gathering of a cooling liquid.
Unscrew a stopper and merge cooling liquid.
Unscrew a fastening bolt to the block of cylinders of the holder of a pipe plum of a cooling liquid.
Establish under the engine capacity for engine oil gathering.
Merge engine oil, for what loosen the a stopper oil plum approximately on a half-turn. Place capacity for oil gathering under a stopper plum and unscrew a stopper completely. If it is necessary, press a stopper when unscrew that oil did not follow prematurely.
When oil completely will flow out, screw in into place a stopper.
Unscrew bolts and remove the bottom section of the oil pallet.
Installation is spent to sequences, return to removal.

The note
At installation it is necessary to use new sealing rings.

On engines with a lining on the bottom section of the oil pallet check up a condition and a lining arrangement.
Plastic or wooden scraper clear of an old lining привалочные surfaces of the top and bottom sections of the oil pallet.
By means of a rotating metal brush, насаженной on an electric drill, clear hermetic from the oil pallet.

Fig. 6–4. A place of drawing of a layer of hermetic in diameter of 3 mm on привалочную a surface of the oil pallet



Put a layer of hermetic D176 404 А2 in diameter 3 mm on привалочную a surface of the oil pallet (fig. 6–4).
After drawing of a layer of hermetic the oil pallet is necessary for establishing during 5 mines, to allow to dry up to hermetic of 30 mines and only after that to fill in in the engine engine oil.
The hermetic layer should be in diameter no more than 3 mm as surpluses of hermetic can get to oil and block the mesh filter.
In regular intervals on a diagonal tighten bolts of fastening of the oil pallet.
On engines with a lining on the bottom section of the oil pallet do not draw bolts, the lining of the oil pallet otherwise is deformed.
On engines in which the bottom section of the oil pallet is established on hermetic, tighten fastening bolts at first the moment 5 Н·м, then definitively moment 10 Н·м.
Fill in cooling liquid.
Fill in in the engine engine oil.

The oil pump of the diesel engine of 2,5 l

Fig. 3.3–24. An arrangement of screws of fastening of a casing of the engine



Turn away screws and remove an engine casing (fig. 3.3–24 see).

Fig. 3.3–26. Unscrewing of a bolt of fastening of the fan of a radiator with вязкостной муфтой



Unscrew a bolt of fastening of the fan of a radiator with вязкостной муфтой, keeping from проворачивания a fan axis an additional wrench (fig. 3.3–26 see).
Unscrew the bolts located above before a radiator, and remove a casing of the fan of a radiator.
Remove the fan with вязкостной муфтой together with a casing.

Fig. 3.3–27. An arrangement of screws of fastening of a casing semi wedge a belt



Turn away screws and remove a casing semi wedge a belt (fig. 3.3–27 see).
Uncover a broad tank.
Uncover маслоналивной mouths.

Fig. 3.3–33. A label on distributive to a shaft at installation of the piston of the first cylinder in ВМТ a compression step



For a bolt of fastening of a pulley turn a cranked shaft in a direction of working rotation before label occurrence «OT» (ВМТ) on distributive to a shaft in an aperture маслоналивной mouths (fig. 3.3–33 see).
Turn away screws of fastening of a heater of an exhaust pipe and a noise isolation of an additional heater (fig. 3.3–34 see).
Release clamps and remove forward section of the bottom mudguard of a motor compartment (fig. 3.3–35 see).

Fig. 3.3–36. An arrangement of bolts of fastening of an arm of the bottom mudguard of a motor compartment



Unscrew two bolts and remove an arm of the soundproofing panel (fig. 3.3–36 see)
Remove the bottom section of the oil pallet.

Fig. 3.3–37. An arrangement of the adjusting screw 3242 for fixing of a cranked shaft



Fix a cranked shaft in this position, having unscrewed заглушку from the block of cylinders and instead of it having screwed the adjusting screw 3242 (fig. 3.3–37 see).


Fig. 6–2. Elements of system of greasing of the diesel engine of 2,5 l: 1 – a bolt, 10 Н·м;
2 – the bottom section of the oil pallet; 3 – a chain casing; 4 – a lining; 5 – a bolt, 10 Н·м; 6 – a bolt, 22 Н·м; 7 – the oil pump with the valve of adjustment of pressure (3,8 bar), with a safety valve (11 bar); 8 – a chain; 9 – an asterisk of the oil pump; 10 – a bolt, 22 Н·м; 11 – a sealing ring; 12 – a bolt, 10 Н·м; 13 – a hollow bolt, 10 Н·м; 14 – a bolt; 15 – a bolt, 45 Н·м; 16 – the twisting moment jack; 17 – a sealing ring; 18 – a directing pipe for the index (probeа) engine oil level; 19 – a lining; 20 – the top section of the oil pallet; 21 – a bolt, 45 Н·м; 22 – маслопровод from the oil pump to a balancing shaft; 23 – a hollow bolt, 10 Н·м; 24 – a sealing ring; 25 – a bolt, 10 Н·м; 26 – pressure head маслопровод; 27 – a bolt, 45 Н·м; 28 – a casing with balancing shaft; 29 – a bolt, 10 Н·м; 30 – a bolt, 10 Н·м; 31 – an asterisk; 32 – a bolt, 22 Н·м; 33 – a partition; 34 - a bolt, 10 ́·¼; 35 – a stopper oil plum, 25 Н·м; 36 – a sealing ring


Fig. 6–5. An arrangement of bolts of fastening of a partition (1) and a bolt-zaglushki (2)



Unscrew two bolts and remove a partition (fig. 6–5).
Unscrew a bolt-zaglushku 2 and instead of it screw the adjusting screw 3204 fixing a balancing shaft.

Fig. 6–6. An arrangement of bolts of fastening маслопроводов and asterisks of the oil pump and a balancing shaft on the diesel engine of 2,5 l: 1 – a bolt of fastening of an asterisk of the oil pump; 2 – a bolt of fastening of an arm маслопровода; 3 – a bolt of fastening of an asterisk of a balancing shaft; 4 – hollow bolts of fastening маслопровода



Loosen the, but do not unscrew a bolt of fastening of 1 asterisk of the oil pump (fig. 6–6 see).
Loosen the, but do not unscrew a bolt of fastening of an asterisk of a balancing shaft (fig. 6–6 see).
Unscrew hollow bolts of 4 fastenings маслопровода the oil pump and a balancing shaft, and also a bolt of 2 fastenings of an arm маслопровода and remove маслопровод.
Unscrew two bolts and remove delivery маслопровод.
Unscrew bolts of fastening of an intermediate asterisk of a chain and remove it.
Unscrew bolts and remove an asterisk from a shaft of the oil pump.

Fig. 6–7. An arrangement of bolts of fastening of the oil pump on the diesel engine of 2,5 l



Unscrew bolts and remove the oil pump (fig. 6–7).
Establish the oil pump in sequence, return to removal, taking into account the following.
Check up, that adjusting screws 3242 and 3204 were on the places.
Tighten a bolt of fastening of an asterisk of the oil pump.
Establish the bottom section of the oil pallet.
Establish the fan of a radiator with вязкостной муфтой.


12.1. Recommendations about application of engine oils

12.3. The oil pallet and the oil pump of the diesel engine of 3,3 l