Brake Test; General Notes; Vehicles With Front-Wheel Drive; Vehicles With Four-Wheel Drive - Audi A6 2005 Workshop Manual

4

Brake test

4.1

General notes

The wheels are driven by the brake test rollers.
During the test the gearbox must be in neutral on manual gear‐
boxes or in position N on automatic gearboxes.
Follow the instructions provided by the manufacturer of the brake
test equipment when performing the test.
Note
Electronic brake control systems are inoperative when the ignition
is switched off.
4.2

Vehicles with front-wheel drive

Perform brake test on a single-axle brake dynamometer.
The roller speed must be at least 4 km/h.
The roller speed must not exceed 6 km/h. Otherwise the EDL
control can activate the brakes if the rollers start at different points
in time.
All brake test equipment approved by Audi meets these require‐
ments.
4.3

Vehicles with four-wheel drive

Testing on a single-axle brake dynamometer for vehicles with
four-wheel drive
The rollers drive the wheels of one axle in opposite directions to
avoid transmitting torque to the other axle.
The roller speed must be at least 4 km/h.
The roller speed must not exceed 6 km/h. Otherwise the EDL
control can activate the brakes if the rollers start at different points
in time.
WARNING
The self-locking centre differential will be irreparably damaged
if test speed exceeds 6 km/h.
All brake test equipment approved by Audi meets these require‐
ments.
Testing on a single-axle brake dynamometer
The roller speed must be at least 4 km/h.
The roller speed must not exceed 6 km/h. Otherwise the EDL
control can activate the brakes if the rollers start at different points
in time.
All brake test equipment approved by Audi meets these require‐
ments.
Audi A6 2005 ➤ , Audi A6 Avant 2005 ➤
Brake system - Edition 04.2019
23
4. Brake test