Remove/install front axle brake caliper - AR42.10-P-0070VA
MODEL 171.456
MODIFICATION NOTES
| 8.9.04 | Bolt of fixed brake caliper to steering knuckle changed from 55 Nm to 115 |
| Remove/install | |||
|---|---|---|---|
| Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer. | - | |
| 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 eye protection when handling brake fluid. | - | |
| Brake fluid notes | AH42.50-P-0001-01A | ||
| Notes on repairs to brake system | AH42.00-P-0003-01A | ||
| 1 | Open engine hood and raise to vertical position | AR88.40-P-1000V | |
| 2 | Unscrew the cap on the brake fluid expansion reservoir and suction off some brake fluid | ||
| 3 | Hoist vehicle with lifting platform until wheels are free | AR00.60-P-1000V | |
| 4 | Remove the front wheels | ||
| Remove/install wheels, rotate if necessary | AP40.10-P-4050V | ||
| 5 | Remove brake pads from the front axle | AR42.10-P-1600VA | |
| 6 | Unscrew bolt (1) and remove right front brake pad contact sensor (2) from brake caliper (31) | *BA42.10-P-1004-10P | |
| 7 | Remove brake hose (51) | AR42.10-P-0013V | |
| Figure | |||
| 8 | Unscrew bolts (31s) and remove brake caliper (31) | *BA42.10-P-1001-10P | |
| 9 | Install in the reverse order | ||
| 10 | Bleed brake system | AR42.10-P-0010V | |
| 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 engine, actuate brake pedal several times until the pressure is built up and maintained in the brake system. | - | |
| 11 | Operate the brake pedal several times until brake pads make contact with the brake disks (61) | ||
| Checking | |||
| 12 | Check brake system for leaks | - | |
| 13 | Inspect fluid level in expansion reservoir, adjust to correct level if necessary | *BF42.10-P-1001-01A | |
| Brake system - inspect fluid level | AP42.10-P-4210V | ||
| Risk of death caused by body parts being pulled in by rotating vehicle wheels and roller dynamometer rollers | Do not insert your hand into rotating parts. Wear closed and snug-fitting work clothes. Safeguard areas with rotating vehicle parts and dynamometer rollers against unauthorized access. Safeguard roller dynamometer from unauthorized access. |
- | |
| 14 | Carry out brake test on the test stand | ||
| Brake testing on test stand | AP42.00-P-4290V |
FRONT AXLE BRAKE CALIPER
| Number | Designation | Model 171 | |
|---|---|---|---|
| BA42.10-P-1001-10P | Self-locking bolt, caliper support to steering knuckle | Nm | 115 |
| BA42.10-P-1004-10P | Self-locking bolt, brake pad wear sensor to brake caliper | Nm | 7 |
BRAKE FLUID
| Number | Designation | Model 171 | ||
|---|---|---|---|---|
| BF42.10-P-1001-01A | Brake fluid | Filling capacity | Liters | ≈ 0.45 to 0.6 |
| Specifications for Operating Fluids | Sheet | BB00.40-P-0330-01A | ||
| Sheet | BB00.40-P-0331-00A | |||