A3 Mk2
| 1 - | Brake pads |
Note| A wire for the wear indicator is fitted to the inner pad (with spring). |
| q | Always renew on both sides of axle |
| q | Before inserting pads, clean guide surfaces and apply a thin coating of polycarbamide grease -G 052 142 A2-. |
| q | Removing and installing → Chapter |
| q | Checking pad thickness → Booklet808 |
| q | Different versions available → ETKA |
Note| Clean the brake calipers thoroughly (grease-free) before inserting new brake pads. It is particularly important to ensure that contact surfaces for brake pads are clean. |
| 2 - | Brake carrier |
| q | Bolt to wheel bearing housing |
| 3 - | Ribbed bolt, 196 Nm |
| q | Clean ribs if using again |
| q | M14 × 1.5 x 38 |
| 4 - | Bearing bush |
| q | Insert into brake caliper housing |
| 5 - | Guide pins, 30 Nm |
| 6 - | Protective cap |
| q | Take off |
| q | Insert wear indicator wire in protective cap |
| 7 - | Brake disc |
| q | Always renew on both sides of axle |
| q | Detach brake caliper prior to removing |
| q | Lubricate contact surfaces between brake disc and wheel hub with polycarbamide grease -G 052 142 A2-. → Rep. gr.44 |
| q | Allocation, dimensions and wear limit → Chapter |
| q | Checking thickness → Booklet808 |
| 8 - | Wheel bolts |
| q | Fitting wheels → Wheels and tyres; Rep. gr.44 |
| 9 - | Cross-head bolt |
| q | Tightening torque: 5 Nm |
| 10 - | Spring clip |
| 11 - | Brake line connection to brake hose, 12 Nm |
| 12 - | 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. |
| 13 - | Brake line connection to brake caliper, 19 Nm |
| 14 - | Bracket |
| q | Bolt to brake caliper housing |
| q | Attach brake line |
| 15 - | Hexagon bolt M 8 x 16 |
| q | Tightening torque: 25 Nm |
| 16 - | Brake caliper housing |
| q | If assembly work is required, do not leave caliper hanging from brake hose but secure it to body with wire |
| q | With the exception of „Renewing brake pads“ and „Servicing front brake caliper“, no repairs may be performed on the brake caliper. |
| q | Do not twist hose when fitting |
| q | Brake caliper with vibration damper → Chapter |
| 17 - | Retaining spring |
| q | Note correct installation position. |
Note| The retaining spring must be pushed under the brake carrier after engaging onto both studs. If incorrectly installed, the wear of the outer pad cannot be adjusted, and the pedal travel will be increased as a result. |
