Servicing front brakes (PR 1LB / 1LE / 1LT / 1LF) — AUDI

Servicing front brakes (PR 1LB / 1LE / 1LT / 1LF)
Note
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.
1
Splash plate for brake disc
2
Flange bolt, 10 Nm
M6×12
3
Brake hose
Do not disconnect brake hose when changing brake pads
4
Bracket
Bolt to brake caliper housing
5
Hexagon bolt, 10 Nm
6
Spring clip
7
Brake line
Tightening torque for brake line at bracket 15 Nm
Tightening torque for brake line at brake caliper: 15 Nm
Screw into brake caliper housing
Screw into brake hose, counter hold on brake hose hexagon.
Ensure that lugs are properly seated in grooves in bracket.
8
Connector
When renewing pads, remove from bracket
Item
9
Bolt, 190 Nm
Always renew if removed
10
Brake carrier
Bolt to wheel bearing housing
Removing and installing brake caliper with brake carrier
Chapter
11
Brake pads
Note
The inner pad (with spring) has an arrow. The arrow must point in direction of brake disc rotation when moving forwards. May create noises if incorrectly installed.
Before inserting pads, clean guide surfaces and apply a thin coating of
polycarbamide grease
G 052 142 A2
.
There is an adhesive foil on the backplates of the outer brake pads. Remove the protective foil before fitting pads.
Brake pad wear indicator (front left and front right)
Warning lamp lights up in instrument cluster when wear limit is reached
Chapter
.
Always renew on both sides of axle
Removing and installing
Chapter
Checking pad thickness
Maintenance
Booklet
803
Different versions available
the parts catalogue
Note
Clean the brake calipers thoroughly (grease-free) before inserting new brake pads. When doing this, make sure that all adhesive foil residue on the contact surfaces for the outer brake pad is removed.
12
Retaining spring
Before inserting pads, clean guide surfaces and apply a thin coating of
polycarbamide grease
G 052 142 A2
.
Insert in both holes in brake caliper housing
Note
The retaining spring must be pressed under the brake carrier after inserting into both holes. If incorrectly installed, the wear of the outer pad cannot be adjusted, and the pedal travel will be increased as a result.
13
Brake disc
Always renew on both sides of axle
Detach brake caliper prior to removing
Thickness
Chapter
Allocation
Chapter
14
Bolt
Tightening torque: 5 Nm
15
Brake caliper housing
Unscrew from brake carrier to renew brake pads
Servicing brake caliper
Chapter
Removing and installing brake caliper with brake carrier
Chapter
16
Guide pins, 30 Nm
17
Protective cap
Take off