Remove/Check/Install Rear Axle Brake Pads - AR42.10-S-1710E
Model 447, 448
MODIFICATION NOTES
| 24.04.2024 | Work procedure revised | Whole document |
Shown on vehicle Except Code XM0 (Facelift), Except Code XM7 (Facelift II) and Except Code B25 (Electric parking brake)
Shown on vehicle With Code XM7 (Facelift II) and With Code B25 (Electric parking brake)
| Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. | AS00.00-Z-0010-01A | |
| 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 | General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment | Model 447 with engine 780 | AH00.00-Z-0300-01A |
| Notice | Notes on self-locking nuts and bolts | AH00.00-P-0001-01KOA | |
| Notice | Notes on repairs to brake system | AH42.00-P-0003-01A | |
| Notice | Brake fluid notes | AH42.50-P-0001-01A | |
| Remove/install | |||
| 1 | Unscrew closing cap of brake fluid reservoir. | ||
| 2.1 | Connect diagnostic system and move parking brake into assembly position. | Model 447, 448 with code B25 (Electric parking brake) except code XM7 (MOPF II) |
|
| Connect STAR DIAGNOSIS and read out fault memory | AD00.00-S-2000-04E | ||
| 2.2 | Activate brake lining change mode. | Model 447, 448 with code B25 (Electric parking brake) with code XM7 (MOPF II) |
|
| Notice | Notes on carrying out repair work in the vehicle interior | AH68.00-D-0001-01KOS | |
| AR42.10-S-1710-01E | |||
| 3 | Remove rear wheels. | AR40.10-S-1100E | |
| 4 | Disconnect electrical connector (5). | If installed on affected side of vehicle. | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| 5 | Remove screws (1) and remove brake caliper (2). | *BA42.10-Z-1002-12KOJ | |
| 6 | Remove brake linings (4) from brake caliper support (3). | ||
| Check | |||
| 7 | Check brake linings (4) and brake disks for wear and damage. | ||
| Notice | Notes on evaluating brake disks | If wear and/or damage is present, ↓ replace brake linings (4) or brake disks on both sides of axle. |
AH42.10-D-9406-07KOP |
| Remove/install rear axle brake disk | AR42.10-S-0240E | ||
| 8 | Check brake hoses for wear and damage. | If wear and/or damage is present, ↓ replace appropriate brake hose. Remove/install brake hoses at rear axle |
AR42.10-S-0025E |
| 9 | Push back piston of brake caliper (2). | The dust boot must not protrude here. Otherwise, the dust boot can be damaged. |
Fig 2 |
| If piston is sluggish or dust boot is damaged, ↓ replace appropriate brake caliper (2). Remove/install rear-axle brake caliper Model 447, 448 except code XM7 (MOPF II) Model 447 with code XM7 (MOPF II) except code B25 (Electric parking brake) |
AR42.10-S-0080E | ||
| Remove/install rear-axle brake caliper Model 447, 448 with code B25 (Electric parking brake) with code XM7 (MOPF II) |
AR42.10-S-0080EA | ||
| 10 | Remove brake lining anti-rattle springs of brake linings (4) from brake caliper support (3). | ||
| Clean | |||
| 11 | Clean contact surfaces of brake linings (4) on brake caliper support (3) and on brake caliper (2). | Fig 1 | |
| 12 | Install in the reverse order. | ||
| Check | |||
| 13 | Perform brake test on test stand. | ||
| AP42.00-S-4290E |
REAR AXLE BRAKE CALIPER
| Number | Designation | Model 447, 448 | |
|---|---|---|---|
| BA42.10-Z-1002-12KOJ | Screw, floating brake caliper to floating caliper carrier | Nm | 34 |