Brake Fluid: Checking Fluid Level - Audi A8 2010 Maintenance Manual

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:
Delivery Inspection
Brake fluid change
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:
Above MAX marking
Below specified level
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Note
When the vehicle is in use, the fluid level drops due to wear and
automatic adjustment of the brake pads.
Fluid level specification:
Fluid level must be at MAX marking.
Fluid level must be between MAX marking and MIN marking according to wear
level of brake pads.
Evaluation/measure:
Extract brake fluid.
Carry out brake system leak test ⇒ Brake system; Rep. gr. 47 ; Hydraulic system;
Leak test .
Audi A8 2010 ➤
Maintenance - Edition 11.2014
3. Maintenance
41