Remove/install rear-axle brake caliper - AR42.10-P-0080GW
MODEL 463 as of model year 2013 except code ZQ0 (G 500 4x42)
Shown on model 463.272
| 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 | |
| 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 | |
| Brake fluid notes | AH42.50-P-0001-01A | ||
| Notes on repairs to brake system | AH42.00-P-0003-01A | ||
| Remove/install | |||
| 1 | Detach rear complete wheels | ||
| AP40.10-P-4050G | |||
| 2 | Detach retaining spring from brake caliper | If installed. | |
| 3 | Disconnect electrical connection from right rear brake wear sensor (S10/4) | If installed. | |
| 4 | Detach right rear brake wear sensor (S10/4) from brake caliper (5) | If installed and only when replacing brake caliper (5). | |
| *BA42.10-P-1004-17B | |||
| 5 | Detach brake hose (6) from brake caliper (5) | When replacing brake caliper (5). | |
| AR42.10-P-0023GW | |||
| 6 | Collect any escaping brake fluid using a suitable container | ||
| 7 | Seal exposed connections with plugs | Figure | |
| 8 | Pry off and remove dust cap (3) from boots (4) | Model 463 as of model year 2013 up to model year 2016 except code ZQ0 (G 500 4x42) |
|
| 9 | Remove guide pins | *BA42.10-P-1002-17B | |
| 10 | Remove brake caliper (5) | Do not subject brake hoses (6) to tensile loads or kink. To relieve the load on the brake hose (6), fasten the brake caliper (5) to the vehicle free of tension. Otherwise the brake hose (6) will be damaged. |
|
| 11 | Remove brake linings (1) | ||
| 12 | Unscrew screws/bolts securing brake caliper support (7) to rear axle tube and remove brake caliper support (7) | *BA42.10-P-1003-17B | |
| Clean | |||
| 13 | Clean contact surfaces of brake linings (1) in brake caliper (5) | While doing so, do not damage the dust boots on the brake piston. Do not use sharp-edged or pointy tools. Otherwise the brake caliper (5) or brake caliper support (7) will be damaged. |
|
| 14 | Install in the reverse order | ||
| 15 | Bleed brake system | If brake hose (6) was previously removed. | |
| AR42.10-P-0010GW | |||
| 16 | Depress brake pedal several times until brake linings (1) make contact with brake disks (2) and a firm resistance is noticeable | ||
| Check | |||
| 17 | Check brake system for leaks | If brake hose (6) was previously removed. | |
| AR42.10-P-0015GW | |||
| 18 | Carry out brake test on the test stand |
REAR AXLE FLOATING CALIPER
| Number | Designation | Model 461, 463 (except 463.270/271/272/273) | Model 463.270/271/272/273 | |
|---|---|---|---|---|
| BA42.10-P-1002-17B | Bolt, pilot bushing/guide pin to brake caliper support | Nm | 30 | 28 |
REAR AXLE FLOATING CALIPER
| Number | Designation | Model 461, 463 (except 463.270/271/272/273) | Model 463.270/271/272/273 | |
|---|---|---|---|---|
| BA42.10-P-1003-17B | Self-locking bolt, brake caliper support to rear axle tube | Nm | 85 | 116 |
REAR AXLE FLOATING CALIPER
| Number | Designation | Model 461, 463 (except 463.270/271/272/273) | Model 463.270/271/272/273 | |
|---|---|---|---|---|
| BA42.10-P-1004-17B | Self-locking bolt, brake wear contact sensor to floating caliper | Nm | 30 | 8 |