Audi 80/90/Coupe

since 1986-1991 release

Repair and operation of the car



Audi 80/90/Coupe
+ 1.2. Identification of the car
+ 2. Engines, carburetors
3. Lubrication system
+ 4. Cooling system
+ 5. Fuel system
+ 6. Exhaust system
+ 7. System of ignition
+ 8. Transmission
+ 9. Suspension brackets, wheels
- 10. Brake system
   10.1.2. Brake shoes of forward brakes
   10.1.3. Brake shoes of back brakes
   10.1.4. General adjustment of back brakes (Girling)
   10.1.5. Replacement of brake shoes (all-wheel drive models)
   10.1.6. General adjustment of back brakes (Girling) (all-wheel drive models)
   10.1.7. Forks of pedals of a brake and coupling
   10.1.8. Adjustment of the emergency brake
   10.1.9. Removal of the lever of the emergency brake
   + 10.2. Hydraulic components
   - 10.3. Anti-blocking system of brakes
      10.3.2. Hydraulic pump
      10.3.3. Electronic control unit
      + 10.3.4. ABS elements of a forward wheel
      - 10.3.5. ABS elements of back brakes
         10.3.5.1. Sensors of speed of rotation of back wheels
      10.3.6. General comments on repair
+ 11. Steering
+ 12. Body, salon
+ 13. Air conditioning system
+ 14. Electric equipment






10.3.5.1. Sensors of speed of rotation of back wheels

Removal

PERFORMANCE ORDER
1) remove a fastening bolt (it is specified by an arrow) and get the speed sensor
2) replace a sealing ring of the sensor of speed
3) grease a sealing ring and the sensor with lubricant of the mechanism of brakes

4) install the sensor in a rack nest so that the polyvinyl chloride tip concerned a rotor on the CV JOINT


Prevention

After the sensor of speed was removed and installed several times, replace an old polyvinyl chloride cap and establish new, a detail 437 927 809. It is necessary for maintenance of the required air gap.
5) establish a new fixing bolt and tighten it to 10 N. of m, holding the speed sensor, having pressed it to a hug bearing rack
6) insert the rubber plug of wires into an arm on a hug bearing rack

Both sockets of connection of sensors of speed of rotation of back wheels are installed under back sitting.

Rotor, installation

Acceleration switch, removal / installation

the arrow and on the switch specifies on in front of the car

Arrangement: under back sitting on the left side.

At removal / installation, switch off ignition.

Do not install the switch of longitudinal acceleration on the car on which it was not established by production. On the cars released since April, 1988 this switch is installed.

The switch of longitudinal acceleration is not required for effective work of ABS.

The sensor of speed of rotation of wheels, installation (all-wheel drive models, release till January, 1989 of release)

PERFORMANCE ORDER
insert rubber plugs of the sensor into an arm on the suspension bracket lever (are specified by shooters)

Both sockets of connection of sensors of speed of rotation of back wheels are under back sitting.

Rotor, installation

Removal / installation

PERFORMANCE ORDER
1) remove a fastening bolt (it is specified by an arrow) and get the speed sensor
2) replace a sealing ring of the sensor of speed
3) grease a sealing ring and the sensor with lubricant of the mechanism of brakes
4) install the sensor in a rack nest so that the polyvinyl chloride tip concerned a rotor on the CV JOINT
5) establish a new fixing bolt and tighten it to 10 N. of m, holding the speed sensor, having pressed it to a hug bearing rack
6) insert rubber plugs of wires into arms on a hug bearing rack

Both sockets of connection of sensors of speed of rotation of back wheels are under back sitting.