Remove/install stepped tandem master brake cylinder - AR42.10-P-0310RT
MODEL 251
MODIFICATION NOTES
| 1.9.10 | "Perform brake test on test bench" reference changed | Test sequence augmented/revised |
| Remove/install | |||
| 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. | AS42.50-Z-0001-01A | |
| Brake fluid notes | All models | AH42.50-P-0001-01A | |
| Notes on repairs to brake system | All models | AH42.00-P-0003-01A | |
| Notes on externally invisible brake fluid loss | AH42.10-P-9406-02RT | ||
| 1 | Release vacuum in BAS brake booster | ||
| 2 | Open engine hood and raise to vertical position | AR88.40-P-1000RT | |
| 3 | Remove partition wall between wheel well liners (1) | AR62.30-P-2400RT | |
| 4 | Remove bolts (2) | ||
| 5 | Remove bracket (3) | ||
| 6 | Unclip water drain pipe (4) | ||
| 7 | Remove bolt (5) | ||
| 8 | Remove screw (6) | ||
| 9 | Unscrew nuts (7) | ||
| 10 | Lift up cover (8) | ||
| 11 | Remove bracket (9) | ||
| 12 | Unscrew union nut of pressure circuit brake line (10) and union nut of secondary brake circuit brake line (11) from stepped tandem brake master cylinder (13) | ||
| *BA42.10-P-1003-14A | |||
| Fig 4 | |||
| Figure | |||
| 13 | Unscrew nuts (12) from stepped tandem brake master cylinder (13) | ||
| *BA42.10-P-1001-05I | |||
| 14 | Pull stepped tandem brake master cylinder (13) off threaded studs and turn to the side | ||
| 15 | Separate electrical connector (14) from ESP brake pressure sensor (B34) | ||
| 16 | Remove stepped tandem master brake cylinder (13) | ||
| 17 | Remove screw (15) | *BA42.10-P-1003-05I | |
| 18 | Pull brake fluid reservoir (16) out of the stepped tandem brake master cylinder (13) | ||
| 19 | Remove bolts (17) | *BA42.10-P-1002-05I | |
| 20 | Remove effect reversal plate (18) | ||
| 21 | Remove ESP brake pressure sensor (B34) | *BA42.45-P-1001-01K | |
| 22 | Install in the reverse order | ||
| 23 | Bleed brake system | AR42.10-P-0010RT | |
| Checking | |||
| 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. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. |
AS00.00-Z-0005-01A | |
| 24 | Check brake system for leaks | AR42.10-P-0100-01RT | |
| 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. | AS42.00-Z-0001-01A | |
| 25 | Carry out brake test on the test stand | AP42.00-P-4290BA |
MASTER BRAKE CYLINDER
| Number | Designation | Model 251 | |
|---|---|---|---|
| BA42.10-P-1001-05I | Nut, brake master cylinder to brake booster | Nm | 25 |
| BA42.10-P-1002-05I | Bolt, impact deflector plate to master brake cylinder | Nm | 14 |
| BA42.10-P-1003-05I | Bolt, brake fluid reservoir to master brake cylinder | Nm | 4 |
BRAKE HOSES, BRAKE LINES
| Number | Designation | Model 251 | |
|---|---|---|---|
| BA42.10-P-1003-14A | Brake pipe to master brake cylinder | Nm | 18 |
ELECTRONIC STABILITY PROGRAM (ESP)
| Number | Designation | Model 251 | |
|---|---|---|---|
| BA42.45-P-1001-01K | Brake pressure sensor to master brake cylinder | Nm | 35 |