Audi A8 2003 Workshop Manual page 62

Audi A8 2003 ➤
Brake system - Edition 03.2013
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
14 - Brake line connection at brake pipe
❑ 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
15 - Brake line
❑ Screw into brake caliper housing
❑ Screw into brake hose, counter hold on brake hose hexagon.
❑ Do not twist hose when fitting
❑ Ensure that lugs are properly seated in grooves in bracket.
16 - Bracket for brake line
❑ Bolt to brake caliper housing
❑ Attach brake line
17 - Brake pipe in brake caliper
❑ Tightening torque: 19 Nm
Note
Brake pipe in brake caliper:
♦
19 Nm
Brake line connection at brake
♦
pipe: 12 Nm
18 - Bolt for guide pin
❑ 30 Nm
19 - Damper spring
❑ 2 fitted on each brake caliper
❑ Detaching and attaching
56
Rep. gr.46 - Brakes - mechanism
⇒ page 57
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