Audi A4 with 2001- 2005 of release.
1. Operation and car maintenance service
2. The engine
2.1. The general data
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
2.7.1. Separation of the additional and basic muffler
2.7.2. Removal and installation of a reception pipe
2.7.3. Free installation of final system
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
 




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2.7.3. Free installation of final system

Cars without tightening collars between additional and the basic mufflers
Loosen the carving connections of a forward tightening collar.

THE NOTE
The final system is established in a cold condition.


Fig. 2.295. The scheme of installation of a fixing element of an exhaust pipe


Press release system forward so that preliminary pressure on the right fixing loop at the additional muffler made А=5–9 mm (fig. 2.295).
In regular intervals tighten carving connections of a forward tightening collar with the moment 23 Нм.
Adjust position of trailer sections.

Cars with tightening collars between additional and the basic mufflers
On in cars with tightening collars between intermediate and the basic mufflers also it is necessary to level the basic muffler.
Loosen the carving connections of forward and back tightening collars.
Press release system forward so that preliminary pressure on the right fixing loop at the additional muffler made А=5–9 mm.
In regular intervals tighten carving connections of a forward tightening collar with the moment 23 Нм.

Fig. 2.296. The scheme of installation of a fixing element of the muffler


Press a back part of system of release forward so that preliminary pressure on back fixing loops at the back muffler made А=7–9 mm (fig. 2.296).
Adjust back mufflers horizontally.
In regular intervals tighten carving connections of back collars till the moment 23 Нм.
Adjust position of trailer sections.

Alignment of trailer sections
Check up distance from the left and right exhaust pipes to a bumper:

Fig. 2.297. Alignment of trailer section


Distance x at the left = растояние x on the right (fig. 2.297).
If necessary modify the size x as follows.

Fig. 2.298. A nut spacers between exhaust pipes


Release a nut spacers between exhaust pipes (fig. 2.298).
Change distance between mufflers.
Tighten a nut with the moment 23 Нм.
Check up distances at and z from trailer sections to a bumper:
– Distance at = more than 20 mm;

Fig. 2.299. Check of installation of trailer section


– Distance z = 10–16 mm (fig. 2.299).
Be if necessary convinced of that the release system is adjusted freely.

Check of final system on tightness
Get the engine and leave it idle.
Close the ends of trailer sections for the period of check carrying out on tightness, for example, by means of rags, stoppers.
Check up connections between ГБЦ and a final collector, a final collector and a reception pipe etc. on hearing.
Eliminate the revealed thinnesses.


2.7.2. Removal and installation of a reception pipe

2.8. A mechanical part (petrol engines 3,0; 3,2)