Audi A8 2003 Workshop Manual page 102

Audi A8 2003 ➤
Brake system - Edition 03.2013
Brakes
5 - Brake pads
❑ Wear limit ⇒ page 1
Note
A wire for the wear indicator is fitted
to the inner pad.
❑ There is an adhesive foil on the backplates of the outer brake pads. Remove the protective foil before
fitting pads.
❑ Before fitting pads, clean guide surfaces and apply a thin coating of polycarbamide grease ⇒ Parts
catalogue
❑ Different versions available ⇒ Parts catalogue
❑ Always renew on both sides of axle
❑ Removing and installing
❑ Checking pad thickness ⇒ Maintenance ; Booklet 4E
10 - Ribbed bolt
❑ Tightening torque: 190 Nm
❑ Clean ribs if using again
11 - Brake carrier
❑ Bolt to wheel bearing housing
12 - Brake pistons
WARNING
The brake pistons have
different diameters.
When re-installing,
please make sure that
each of the brake pistons
is inserted in the correct
aperture in the brake cal‐
iper. The ceramic inserts
on the brake piston act
as heat insulators and
must not be separated
from the brake piston. If
the ceramic insert is
damaged, the brake pis‐
tons must be renewed
for safety reasons.
13 - Bolt for bracket
❑ Tightening torque: 25 Nm
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14 - Brake line connection at brake pipe
with respect to the correctness of information in this document. Copyright by AUDI AG.
❑ Tightening torque: 12 Nm
❑ Brake hose must not be twisted.
Note
Brake line connection at brake
♦
pipe: 12 Nm
Brake pipe in brake caliper:
♦
19 Nm
96
Rep. gr.47 - Brakes - hydraulics