Audi A8 2003 Workshop Manual page 109

– Remove securing bolts from brake caliper housing, when do‐
ing this counter-hold on guide pins.
Note
Do not unplug connection of actuator motor or brake system.
– Push connector out of retainer.
– Move brake caliper clear to one side.
– Remove brake pads.
– Remove guide clips ⇒ Self-diagnosis; Address word 53, Park‐
ing brake .
Display on VAS 505x:
– Select function "04 - Basic setting".
Display on VAS 505x:
♦ The prompt to enter a display group appears in display zone
-1-.
♦ Display zone -2- shows a keypad.
– Enter "6" to select "Display group 006" via the keypad in dis‐
play zone -2- and confirm entry with
The piston extends for 20 seconds and drops out of the brake
caliper.
Note
If the brake piston has not dropped out after 20 seconds, switch
ignition off and on again after 10 seconds. Then operate the
switch for the electronic parking brake. The brake piston will ex‐
tend for another 20 seconds.
– Switch off ignition.
– Take brake piston and compressor nut out of brake caliper.
– Detach the old protective cap from the brake piston.
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permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
key (extending piston).
Q
6. Rear brake calipers for electronic parking brake and handbrake (EPB)
Audi A8 2003 ➤
Brake system - Edition 03.2013
103