Audi A8 2003 Workshop Manual page 65

– Disengage pad wear indicator wire from retaining spring -2-.
Note
Before removing old brake pads, press pistons back into cylinders
with resetting appliance. Before pressing the pistons back, draw
off brake fluid from the reservoir with a bleeder bottle. Otherwise,
fluid can overflow and cause damage, particularly if the reservoir
has been topped up.
WARNING
Brake fluid is poisonous and must NOT be drawn off by sucking
through a hose.
– Remove retaining spring -2-.
– Remove brake pads from brake caliper housing.
Use only methylated spirits to clean the brake caliper housing.
Installing
The ceramic brake discs must always be checked for damage and
wear when renewing the brake pads.
♦ ⇒ "2 Assessment of ceramic brake discs", page 4
♦ ⇒ "3 Assessing degree of wear on ceramic brake discs", page
7
– Insert brake pads into brake caliper.
Note
The brake pad with the wear indicator wire is located on the inside.
– Insert retaining spring in brake caliper housing -2-.
– Press guide pin -3- through brake caliper and brake pads.
WARNING
After introducing the guide pin, the retaining spring must be
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
pressed underneath the guide pin so that it is under tension. If
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
the retaining spring is fitted incorrectly, the brake pads will be
with respect to the correctness of information in this document. Copyright by AUDI AG.
out of position and the function of the brakes will be impaired.
– Tighten bolt of guide pin -18- to specified torque
⇒ Item 18 (page 56) .
Audi A8 2003 ➤
Brake system - Edition 03.2013
3. Ceramic front brakes (PR 1LW)
59