P42.10-2456-09
Front axle brake hose
Shown on vehicle with AIRmatic (air suspension with level adjustment and adaptive damping system ADS), code 489
1 Brake line
2 Brake hose
3 Bracket
4 Floating caliper
5 Steering knuckle bracket
6 Brake hose clip
P42.10-2457-09
Rear axle brake hose
1 Brake line
4 Floating caliper
6 Brake hose clip
2 Brake hose
3 Bracket
Modification notes
| Remove/install | ||
Danger! | Risk of poisoning caused by swallowing brake fluid. Risk of injury caused by brake fluid coming into contact with skin and eyes. | Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and safety glasses when handling brake fluid. | |
Danger! | Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. | |
| Brake fluid notes | All models | |
| Notes on repairs to brake system | All models | |
| Notes on installing brake hoses | ||
1 | Lift/jack up vehicle | ||
2 | Remove wheels | ||
3 | Clean the area around the brake line (1) and brake hose (2) in the area of the separation points | Before opening the brake system the area around the separation point should be cleaned thoroughly. Even the smallest particles of dirt, introduced into the hydraulic components, can lead to malfunctions and a total failure of the SBC system. | |
Cleaner from package | |||
4 | Unscrew brake line (1) from brake hose (2) | Seal brake line immediately with stop plugs. The reservoir must not run empty otherwise air gets into the system. | |
When detaching or tightening the brake line (1) on the brake hose (2), take care not to twist the bracket (3). Therefore counterhold with an open end wrench on the two flats of the brake hose (2). | |||
| |||
Box wrench bit | |||
Set of stop plugs | |||
5 | Unbolt brake hose (2) from floating caliper (4) | | |
Box wrench | |||
6 | Detach brake hose (2) from steering knuckle bracket (5) | When removing from a brake hose (2) on the front axle. | |
Installation: Use new cable ties. | |||
Installation: Observe installation position. | |||
Pliers | |||
7 | Detach brake hose (2) from brake hose clip (6) | ||
8 | Install in the reverse order | First tighten union nuts and bolts on the brake hose by hand. Make sure assembly of brake line (1) and brake hose (2) is free of tension, then tighten union nuts and bolts. | |
9 | Use water to rinse off any escaped brake fluid | ||
10 | Bleed brake system | ||
| Checking | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. | |
11 | Check brake system for leaks | ||
Danger! | Risk of death caused by limbs being caught or crushed by rotating parts when performing tests on the brake test stand | Never leave the vehicle unattended on the rollers except in an emergency. Ensure that no one is under the vehicle or near rotating parts during testing. In case of emergency, use the EMERGENCY STOP switch to shut down test stand. | |
12 | Carry out brake test on the test stand |
Brake hoses, brake lines
Number | Designation | Model 251 | ||
BA42.10-P-1001-14A | Brake line to floating brake caliper | Nm | 22 | |
BA42.10-P-1002-14A | Brake pipe to brake hose | Nm | 16 | |
000 589 76 03 00
Set of stop plugs
Ring wrench
Box wrench bit
Pliers
000 589 75 03 00
129 589 00 91 00
164 589 01 37 00
Repair materials
Number | Designation | Order number |
BR00.45-Z-1028-04A | Cleaner from package | Adolf Würth GmbH & Co. KG |