A4 Cabriolet Mk2
Servicing front brakes |
Special tools and workshop equipment required |
t | Torque wrench -V.A.G 1331- |
t | Torque wrench -V.A.G 1410- |
t | Brake pedal actuator -V.A.G 1869/2- |
Note
t | Install all parts supplied in repair kit. |
t | After replacing 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 on no account be sucked out with the mouth using a hose! |
Caution
|
1 - | Brake disc |
q | Internally ventilated brake disc → Chapter |
q | Disc thickness → Chapter |
q | Wear limit → Chapter |
q | Always renew on both sides of axle |
q | Detach brake caliper prior to removing |
2 - | Brake caliper |
q | Do not disconnect brake hose when renewing brake disc |
q | Removing: |
q | Remove brake pads → Item |
q | Set up brake pedal actuator -V.A.G 1869/2- |
q | Disconnect brake pipe → Item from brake caliper |
q | Unbolt bracket → Item |
q | Removing and installing → Chapter |
q | Installing: |
q | Install brake pads → Item |
q | Secure bracket → Item |
q | Connect brake pipe → Item to caliper |
q | Remove brake pedal actuator -V.A.G 1869/2- |
q | Bleed brake system → Chapter |
3 - | Ribbed bolt, 200 Nm |
q | Clean ribs if using again |
4 - | Bracket |
q | Bolt to brake caliper housing |
5 - | Hexagon bolt, 25 Nm |
6 - | Brake line, 15 Nm |
q | Screw into brake caliper housing |
q | Screw into brake hose, counter hold on brake hose hexagon. |
q | Ensure that lugs are properly seated in grooves in bracket. |
7 - | Spring clip |
8 - | Brake hose |
q | Do not disconnect brake hose when renewing brake disc |
9 - | Hexagon socket head bolt, 110 Nm |
q | Always renew if removed |
10 - | Torx bolt |
q | Tightening torque: 5 Nm |
11 - | Retaining springs |
12 - | Pad retaining pins |
13 - | Brake pads |
q | With wear indicator |
q | Wear limit: 7 mm including backplate |
q | Warning lamp in dash panel insert will light up when wear limit (2 to 3 mm) is reached |
q | Checking thickness → Booklet803 |
q | Always renew on both sides of axle |
q | Removing and installing → Chapter |