Audi A3

since 1997 of release

Repair and car operation

Audi A3
+ Maintenance instruction
+ Current leaving and service
+ Engine
+ Systems of cooling, heating
- Power supply system and production of the fulfilled gases
   + Power supply system
   + System of injection of fuel
   + System of injection of the diesel engine
   - System of production of the fulfilled gases
      Operation of the catalytic converter
      Security measures for an exception of damages of the catalytic converter
      Removal and installation of system of release
      Checking of system of release
      Replacement of the central/additional exhaust silencer
      Check of system of release on tightness
      Replacement of the sensor of oxygen
+ engine Electric equipment
+ Manual box of gear shifting
+ Automatic transmission and models with a full drive
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Elektroskhema


Checking of system of release


After each installation of details of system of release it is necessary to make its checking, for an exception of any tension in elements of the system, able to lead to cracks or noise emergence.

1. Checking is made in a cold condition of system of release. It is necessary to cool the warmed-up system to external temperature.

When lifting and car installation on supports there is a danger! Therefore previously familiarize with car Poddomkrachivaniye's subsection.

2. Lift and establish the car on supports.
3. For the correct installation of system of release it is necessary to make the auxiliary tool of bolt М10, address to an illustration. Sizes: x = 4 mm, y = 25 mm.
4. Weaken boltovy connection of a collar between the catalytic converter and the central exhaust silencer.
5. Insert the auxiliary tool through an opening (the shooter on an illustration) a forward cross-piece. Lyska specifies towards a suspension bracket finger.


The exhaust silencer is drawn in by the auxiliary tool in the direction of movement of the car.

6. Level the exhaust silencer across: The cross-section finger should be parallel to a cross-section beam, the size (X) at the left and on the right should be identical.
7. Expose the last exhaust silencer with a terminal pipe horizontally in relation to the car bottom.
8. Cars with a forward drive: Shift a terminal pipe on distance about 5 mm in relation to a label of the corresponding marking in a collar. Marking (And), (arrow 1) belongs to all cars except for 1.6 l.
Engines of 1.6 l with RKPP: Shift the exhaust silencer before marking «S» (arrow 2) in a collar.

S cars with engines of 1.6 l and RKPP

And other cars with a forward drive
9. Fix a collar the moment of 40 N of m. Bolts should stand horizontally and specify to the left side of the car.
10. Take out the auxiliary tool from an opening in a cross-piece.
11. Lower the car on wheels.