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Removing and installing brake pads - front brakes > < Servicing front brakes FS III

A3 Mk2

Exploded view - front brakes FS III
Exploded view - front brakes FS III
  Note
t  Install all parts supplied in repair kit.
t  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.
t  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.
General notes → Chapter
   
1 - Bolt, 10 Nm
2 - Brake disc
q   Allocation, dimensions and wear limit → Chapter
q   To remove, unbolt brake caliper
q   Do not force brake discs off wheel hub; if necessary, use rust remover, otherwise brake discs could be damaged.
q   Always renew on both sides of axle
3 - Cross-head bolt, 4 Nm
4 - Brake pads
q   Pad thickness, wear limit → Chapter
q   Different versions → Parts catalogue
q   Checking pad thickness → Booklet808
q   Removing and installing → Chapter
q   Note installation position → Fig.
q   Always renew on both sides of axle
5 - Electrical connector
q   When renewing pads, remove from bracket → Item
6 - Brake caliper
q   Piston diameter → Chapter
q   Removing and installing → Chapter
q   Servicing → Chapter
q   Brake caliper with vibration damper → Chapter
7 - Guide pin, 28 Nm
8 - Protective cap
9 - Brake hose with banjo union and banjo bolt, 35 Nm
q   Locating pin → Fig.
10 - Guide pin, 30 Nm
11 - Protective cap
12 - Self-tapping screw
13 - Bracket
14 - Wheel bearing housing
15 - Speed sensor
q   Removing and installing → Chapter
q   Before inserting sensor, clean inner surface of fitting hole and coat with high-temperature paste -G 052 112 A3-
16 - Hexagon socket head bolt
q   Tightening torque → Item
17 - Wheel bearing unit with integrated rotor
q   Removing and installing → Rep. gr.40
18 - Splash plate

   
Installation position of brake pads
t  Pad with large three-prong clip -1- facing piston
t  Pad with small three-prong clip -2- (black) facing outside of brake caliper
  A46-0231
Brake hose connection with locating pin
–  Make sure groove in banjo union of brake hose is inserted on locating pin -arrow-.
  A46-0230

Removing and installing brake pads - front brakes > < Servicing front brakes FS III