A4 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 |
