A4 Mk2
| Servicing brake caliper (ceramic brakes) |
| 1 - | Bolts for brake caliper |
Note| These bolts do not have to be slackened in order to remove the brake caliper or change the brake pads. |
| q | Tightening torque: 190 Nm. |
| 2 - | Retaining spring for brake pads |
| 3 - | Guide pin |
| 4 - | Brake caliper housing |
| q | If assembly work is required, do not leave caliper hanging from brake hose but secure it to bodywork with binding wire |
| q | With the exception of “Removing and installing brake pads”, “Removing and installing brake caliper” and “Removing and installing brake pistons”, no repairs may be performed on the brake caliper |
| q | Do not twist hose when installing |
| q |
| 5 - | Brake pads |
| q |
Note| A wire for the wear indicator is fitted to the inner pad. |
| q | There is an adhesive foil on the backplates of the outer brake pads. Remove the protective foil before fitting pads. |
| q | Before fitting pads, clean guide surfaces and apply a thin coating of polycarbamide grease → Parts catalogue |
| q | Different versions available ⇒ Parts catalogue |
| q | Always renew on both sides of axle |
| q | Removing and installing |
| q | Checking pad thickness: → Booklet4E |
| 10 - | Ribbed bolt |
| q | Tightening torque: 190 Nm |
| q | Clean ribs if using again |
| 11 - | Brake carrier |
| q | Bolt to wheel bearing housing |
| 12 - | Brake pistons |
WARNING
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| 13 - | Bolt for bracket |
| q | Tightening torque: 25 Nm |
| 14 - | Brake line connection to brake hose |
| q | Tightening torque: 12 Nm |
| q | Brake hose must not be twisted. |
| 15 - | Brake line |
| q | Screw into brake caliper housing |
| q | Screw into brake hose, counter hold on brake hose hexagon. |
| q | Do not twist hose when fitting |
| q | Ensure that lugs are properly seated in grooves in bracket. |
| 16 - | Bracket for brake line |
| q | Bolt to brake caliper housing |
| q | Attach brake line |
| 17 - | Brake line connection to brake caliper |
| q | Tightening torque: 19 Nm |
| 18 - | Bolt for guide pin |
| q | Tightening torque: 30 Nm |
