Remove, install brake booster hydraulic unit - AR42.10-P-0302MB
MODELS 220.175 /178 with CODE (Z07) maximum protection
| Remove/install | |||
| Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid | Pour brake fluid only into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. | AS42.50-Z-0001-01A | |
| Notes on handling brake fluid | All models | AH42.50-P-0001-01A | |
| Notes on repairs to brake system | All models | AH42.00-P-0003-01A | |
| 1 | Switch off ignition | ||
| 2 | Reduce pressure in pressure reservoir | ||
| 3 | Remove mechanical stop lamp switch (S9/1) | AR42.10-P-0040I | |
| 4 | Remove cover (3) | ||
| 5 | Pull out retainer (6) and bolt (5) | ||
| 6 | Remove wiper system | AR82.30-P-6100M | |
| 7 | Draw off brake fluid from the reservoir (10) | ||
| 8 | Remove bracket (15) | ||
| 9 | Unplug connection (11) | ||
| 10 | Detach hoses (9) and cable (8) from reservoir (10) | ||
| 11 | Unscrew bolts (12) | ||
| 12 | Pull reservoir (10) out of brake booster hydraulic unit (A7/6) | ||
| 13 | Detach brake lines (14) | *BA42.50-P-1003-01B | |
| 14 | Detach cable (8) from charge plunger unit (7) | *BA42.50-P-1005-01B | |
| 15 | Release brake line (13) | *BA42.50-P-1003-01B | |
| 16 | Unscrew screws (2) | *BA42.50-P-1004-01B | |
| 17 | Detach brake line (13) | ||
| 18 | Remove brake booster hydraulic unit (A7/6) upward | ||
| 19 | Install in the reverse order | ||
| 20 | Bleed brake system | AR42.10-P-0010MB |
| Number | Designation | Model 220 with code Z07 | |
|---|---|---|---|
| BA42.50-P-1003-01B | Brake line to brake booster hydraulic unit | Nm | 16 |
| BA42.50-P-1004-01B | Bolt, brake booster hydraulic unit to firewall | Nm | 17 |
| BA42.50-P-1005-01B | Brake line to charge piston unit | Nm | 16 |