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Note
♦
The bleeder hose must fit tightly on the bleeder screw to pre‐
vent air from entering the brake system.
♦
In the case of certain wheel combinations, the wheels may
have to be removed.
♦
With the aid of the tool set for brake bleeding - VAS 6564- ,
the rear brakes or, depending on version, the front and rear
brakes can be bled without having to remove the wheels.
♦
Use genuine Audi brake fluid; see Electronic parts catalogue
(ETKA).
♦
Do not reuse brake fluid.
♦
Always observe the relevant environmental regulations for
disposal of brake fluid.
3.11
Brake fluid: checking fluid level
Table of test values and procedure guidelines:
Type of service:
Fluid level specification:
Delivery Inspection
Fluid level must be at MAX marking.
Brake fluid change
Fluid level must be between MAX marking and MIN marking according to wear
level of brake pads.
Checking the brake system for leaks is a repair measure and
should be charged separately.
Procedure:
– Evaluate brake fluid level according to markings -arrows- on
brake fluid reservoir.
– Perform the following measures according to the results of the
check:
Fluid level:
Evaluation/measure:
Above MAX marking
Extract brake fluid.
Below specified level
Carry out brake system leak test ⇒ Brake system; Rep. gr. 47 ; Hydraulic system;
Leak test .
Note
When the vehicle is in use, the fluid level drops due to wear and
automatic adjustment of the brake pads.
Audi A8 2010 ➤
Maintenance - Edition 11.2014
3. Maintenance
41
