Remove/Install Front Axle Brake Caliper - AR42.10-S-0070E
Model 447, 448
| Risk of accident when commissioning the vehicle due to a lack of braking effect when the service brake is operated for the first time after repair work. | Before starting the engine, actuate brake pedal several times until pressure is built up and maintained in the brake system. | AS42.50-Z-0002-01A | |
| Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid | Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. | AS42.50-Z-0001-01A | |
| Notice | Notes on repairs to brake system | AH42.00-P-0003-01A | |
| Notice | Brake fluid notes | AH42.50-P-0001-01A | |
| Remove | |||
| 1 | Remove each front wheel | AR40.10-S-1100E | |
| 2 | Remove each brake hose | AR42.10-S-0024E | |
| 3 | Release and disconnect electrical connection (4) | When removing left brake caliper (2) | |
| 4 | Remove electrical connector (4) from brake caliper (2) | When removing left brake caliper (2) | |
| 5 | Remove screws/bolts (1) and remove brake caliper (2) from brake caliper support (3) | ||
| 6 | Remove brake linings from brake caliper (2) | ||
| 7 | Clean brake caliper (2), brake linings and any areas contaminated by escaping brake fluid | Assembly cleaner | *BR00.45-Z-1028-04A |
| Fig 1 | |||
| 8 | Check the condition of the piston, cap, and brake hose of the brake caliper (2) | If damage is present ↓ replace brake caliper (2) or brake hose. When replacing the brake caliper (2) ↓ replace brake caliper support (3). |
*BA42.10-Z-1002-03KOB |
| Install | |||
| 9 | Install brake linings in brake caliper (2) | Do not apply any brake paste or assembly grease. This can otherwise cause the brake system to malfunction. |
|
| 10 | Fasten brake caliper (2) on brake caliper support (3) using screws/bolts (1) | *BA42.10-Z-1003-03KOB | |
| 11 | Fasten electrical connector (4) at brake caliper (2) | *BA42.10-Z-1004-03KOB | |
| 12 | Connect electrical connection (4) | ||
| 13 | Install respective brake hose | AR42.10-S-0024E | |
| 14 | Mount relevant front wheel | AR40.10-S-1100E | |
| 15 | Bleed brake system | AR42.10-S-0010E | |
| 16 | Carry out brake test on the test stand | ||
| AP42.00-S-4290E |
FRONT AXLE FLOATING CALIPER
| Number | Designation | Model 447, 448 | |
|---|---|---|---|
| BA42.10-Z-1002-03KOB | Screw/bolt, front floating caliper carrier to steering knuckle | Nm | 172 |
FRONT AXLE FLOATING CALIPER
| Number | Designation | Model 447, 448 | |
|---|---|---|---|
| BA42.10-Z-1003-03KOB | Screw/bolt, floating brake caliper to floating caliper carrier | Nm | 34 |
FRONT AXLE FLOATING CALIPER
| Number | Designation | Model 447, 448 | |
|---|---|---|---|
| BA42.10-Z-1004-03KOB | Screw/bolt, brake wear indicator to floating brake caliper | Nm | 9 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1028-04A | Assembly cleaner | A 000 986 56 01 |