Audi A3

Since 1997 of release

Repair and car operation

Audi A3
+ The maintenance instruction
+ Current leaving and service
+ The engine
+ Systems of cooling, heating
- The power supply system and release of the fulfilled gases
   + The power supply system
   + System of injection of fuel
   + System of injection of the diesel engine
   - System of release of the fulfilled gases
      Work каталитического the converter
      Security measures for an exception of damages каталитического the converter
      Removal and installation of system of release
      Checking of system of release
      Replacement of the central/additional muffler
      Check of system of release on tightness
      Replacement of the gauge of oxygen
+ Engine electric equipment
+ Manual box of a gear change
+ Automatic transmission and models with a full drive
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Electroschemes

Replacement of the central/additional muffler


On manufacturer a back pipe and 2 mufflers form uniform knot. However mufflers can be replaced separately.
Division of mufflers is made разрезкой by a usual chain saw, for example, HAZET 4682. If the specified tool is not present, it is possible to cut ножовкой.

If the muffler does not leave a collar, there are two possibilities for its dismantle: to cut a pipe on distance of 5 sm behind a collar. Then to bring down a chisel and a hammer the pipe rest. The second possibility: at presence газорезательного the device it is necessary to heat up a collar. Thus the pipe will extend that will allow to remove it.
Before use газорезательного the device close the bottom of the car an asbestine fabric. At all do not heat up the muffler around a fuel tank from plastic. There is a danger of occurrence of a fire. Keep in readiness the fire extinguisher.

Removal at execution central/additional mufflers in the form of one knot


At lifting and car installation on supports there is a danger! Therefore preliminary familiarise with head Poddomkrachivanie of the car.

1. Lift and establish the car on supports.
2. The place of division of the muffler is marked by deepenings. Division is made at average marks (the marksman 2). Lateral marks (an arrow 1 and 3) serve as indexes of depth of input of pipes in a collar.
3. Throw with a chain of a divider round average marks–2 and pull. Прокатайте a chain every which way, having tightened it to exclude pipe deformation at резке.
4. Disconnect the muffler from rubber holders and take out.
5. Enter the muffler in rubber holders.
6. For connection of pipes the spare collar serves.

The collars used earlier necessarily replace, repeatedly they are not used. As depending on car model pipes of various diameters are applied, pay attention to applied spare parts.

7. Expose release system, thus address to subsection Removal and installation of system of release.
8. Fix a collar the moment 40 Н m. Bolts should settle down horizontally and to show in a car left-hand side.

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