Audi 80/Avant (B4)

since 1991-1995 release

Repair and operation of the car

Audi 80/Avant
+ Technical specification
+ Engines
+ System of production of the fulfilled gases
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and airintaking channels
+ System of injection
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
+ Body electrical system
+ System of ignition
+ Lighting
+ Signaling devices
+ Devices and auxiliary devices
+ Heating and ventilation
- Body elements
   Front bumpers
   Forward part of the car
   External rear-view mirrors
   Forward and back flew down
   Trunk lid at the sedan
   Back door of the versatile person
   Rear bumper
   Movable hatch
   Clearing of openings for a water drain
   Control of anticorrosive protection of the bottom of a body
+ Search of malfunctions
+ Specifications

Rear bumper

For removal of a rear bumper it is necessary to weaken two six-sided bolts on the right and left parties of the car. On an illustration fixing bolts of the sedan are shown.

If the trunk lid of the sedan knocks or sits incorrectly, it is possible to adjust the locking plate (3) behind at a floor of a luggage compartment. For this purpose it is necessary to weaken both screws (arrow). The locking plate becomes available after removal of a covering of loading edge (1) or after removal of a small cover (2) in a covering.



  1. Version sedan: to cast away a rug of a luggage compartment.
  2. Version versatile person: to remove behind a door covering.
  3. To cast away a rug of a luggage compartment.
  4. To remove from clamps a side covering of a luggage compartment – only behind.
  5. To slightly delay a side covering aside, to enter from above between a covering and a back wing a face key with the extender (length about 500 mm) with a replaceable head and Cardan and to put on it fixing bolts of a bumper.
  6. To turn out bolts.
  7. All models: to turn out in a luggage carrier on the right and at the left two six-sided bolts.
  8. To turn out on the right and at the left two screws self-tapping screws connecting a bumper and the flap.
  9. To separate lateral faces of a bumper from body arms.
  10. For this purpose it is strong to press a bumper sideways down and at the same time to delay it for the upper edge from a body.
  11. To remove a bumper, raising on both ends over flaps.
  12. At installation of a bumper at first to insert back fastenings.
  13. At first to insert lateral faces of a bumper into arms on a body bottom edge. Then to press them sideways above that also the top fixing points were recorded. To watch for fixing brackets on bottom edge of a bumper.
  14. To lift flaps over the ends of a bumper and to connect them bolts.
  15. Versatile person: regulation of a bumper on height is made by moving of fastening of a bumper. The distance between bottom edge of side back wings and a bumper has to make 6,5–7,5 mm