Exploded view - front brake, ceramic brakes (1LW) — AUDI

Exploded view - front brake, ceramic brakes (1LW)
The ceramic brake discs must always be checked for damage and wear when renewing the brake pads.
Checking ceramic brake discs for damage
Chapter
Assessing degree of wear on ceramic brake discs
Chapter
Note
Always install all parts supplied in repair kit.
After renewing brake pads, depress brake pedal firmly several times with vehicle stationary so that the pads are properly seated in their normal operating position.
To draw off brake fluid from brake fluid reservoir use a bleeder bottle which is used only for brake fluid. Brake fluid is poisonous and must NOT be drawn off by sucking through a hose.
Exploded view
Bolts for brake caliper
Note
These bolts do not have to be loosened in order to remove the brake caliper.
Only bolts
10
have to be loosened and removed.
Retaining spring for brake pads
Pay attention to correct installation position.
Guide pin
Slide pin through brake caliper and brake pads from outside to inside
Note
Ensure correct positioning in brake caliper. Groove on guide pin must be seated in groove in brake caliper.
Brake caliper
If assembly work is required, do not leave caliper hanging from brake hose but secure it to body with wire
With the exception of
“Removing and installing brake pads”
and
“Servicing front brake caliper”
, no repairs may be performed on the brake caliper
Do not twist hose when installing
Chapter
“
Removing and installing brake caliper for ceramic brakes (1LW)
”
Chapter
“
Renewing brake caliper for ceramic brakes (1LW)
”
Brake pads
Note
A wire for the wear indicator is fitted to the inner pad.
There might be protective foil on the backplates of the 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
Always renew on both sides of axle
Chapter
“
Exploded view - front brake, ceramic brakes (1LW)
”
Checking pad thickness
Maintenance
Booklet
8K
Locating bolt
5 Nm
Note
Always renew if removed.
Brake disc
Always renew on both sides of axle
Detach brake caliper prior to removing
Lightly grease contact surfaces between brake disc and wheel hub with polycarbamide grease G 052 142 A2.
Chapter
“
Removing and installing brake disc for ceramic brakes (1LW)
”
Chapter
“
Renewing brake disc for ceramic brakes (1LW)
”
Splash plate
Chapter
“
Removing and installing splash plate for ceramic brakes (1LW)
”
Bolts for splash plate
9 Nm
Bolts
Note
Loosen these bolts to remove brake caliper.
Note
Always renew if removed
190 Nm
Brake carrier
Bolt to wheel bearing housing
Bolted onto brake caliper
196 Nm
Note
The brake carrier is not available as a replacement part
Brake pistons
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 caliper. 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 pistons must be renewed for safety reasons.
Bolt for bracket
25 Nm
Brake line connection at brake pipe
Brake hose must not be twisted.
14 Nm
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.
Bracket for brake line
Bolt to brake caliper housing
Attach brake line
Brake pipe in brake caliper
16 Nm
Bolt for guide pin
30 Nm
Damper spring
2 fitted on each brake caliper
Chapter
“
Detaching and attaching damper spring
”
Note
Tighten bleeder screw to 15 Nm.