Remove/Install Stepped Tandem Master Brake Cylinder - AR42.10-P-0310GZ
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MODEL 164, 166, 292
Shown on model 164
Shown on model 164
| 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 | |
| Brake fluid notes | AH42.50-P-0001-01A | ||
| Notes on repairs to brake system | AH42.00-P-0003-01A | ||
| Notes on externally invisible brake fluid loss | AH42.10-P-9406-02GZ | ||
| Remove/install | |||
| 1 | Switch off ignition and keep transmitter key at a location beyond transmitter range (at least 2 m) | ||
| 2 | Push down brake pedal several times | ||
| 3 | Open engine hood | Model 164 | AR88.40-P-1000GZ |
| Model 166 | AR88.40-P-1000GQ | ||
| 4 | Detach rubber seal (1) in the left section area of the partition wall (4) | Model 164 | |
| 5 | Unscrew bolt (2) | Model 164 | |
| 6.1 | Detach left section of partition wall (4) from retaining clips (3) | Model 164 | |
| 6.2 | Remove cover over left suspension strut tower | Model 166, 292 | |
| 7 | Release and disconnect the electrical connector (5) from the brake fluid indicator switch | ||
| Clean | |||
| 8 | Clean area surrounding brake line connections on master brake cylinder (10) | 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. |
|
| 9 | Mark brake line (6) relative to the connection on master brake cylinder (10) | Model 164 |
|
| 10 | Detach brake lines (6) from master brake cylinder (10) | *BA42.10-P-1003-04J | |
| Fig 1 | |||
| 11 | Collect escaping brake fluid using rags and seal exposed connections | Seal connections immediately. Otherwise, escaping brake fluid may damage adjacent components. |
Figure |
| 12 | Unscrew nuts (7) | *BA42.10-P-1001-05H | |
| Check | |||
| 13 | Check master brake cylinder (10) for leakage at rear primary piston | If complaint present ↓ Replace master brake cylinder (10) |
|
| 14 | Pull brake master cylinder (10) off threaded studs and turn slightly to the side. | Do not tilt master brake cylinder (10), instead pull it out straight forwards. Otherwise, the push rod can be pushed out of its axial position and broken out of the retaining lugs on the controller. |
|
| 15 | Disconnect electrical connector (8) from ESP®/BAS brake pressure sensor (17) | Model 164 | |
| 16 | Remove master brake cylinder (10) | ||
| 17 | Remove screw/bolt (12) | *BA42.10-P-1003-05H | |
| 18 | Pull brake fluid reservoir (11) out of master brake cylinder (10) | ||
| Check | |||
| 19 | Check condition of seals (15) | If complaint present Replace seals (15) |
|
| 20 | Remove bolts (13) | Model 164 |
*BA42.10-P-1002-05H |
| 21 | Remove impact deflector plate (14) | Model 164 | |
| 22 | Remove ESP®/BAS brake pressure sensor (17) | Model 164 |
*BA42.45-P-1001-01J |
| 23 | Use water to rinse off any escaped brake fluid | ||
| 24 | Install in the reverse order | ||
| 25 | Bleed brake system | Model 164 | AR42.10-P-0010GZ |
| Model 166, 292 | AR42.10-P-0010CW | ||
| Check | |||
| 26 | Check brake system for leaks | AR42.10-P-0100-01GZ | |
| 27 | Carry out brake test on the test stand | ||
| AP42.00-P-4290BA |
MASTER BRAKE CYLINDER
| Number | Designation | Model 164.1/8 | Model 166 | |
|---|---|---|---|---|
| BA42.10-P-1001-05H | Nut, brake master cylinder to brake booster | Nm | 10 | 23 |
MASTER BRAKE CYLINDER
| Number | Designation | Model 292 | |
|---|---|---|---|
| BA42.10-P-1001-05H | Nut, brake master cylinder to brake booster | Nm | 23 |
MASTER BRAKE CYLINDER
| Number | Designation | Model 164.1/8 | |
|---|---|---|---|
| BA42.10-P-1002-05H | Screw/bolt, impact deflector plate to master brake cylinder | Nm | 14 |
BRAKE LINES, BRAKE HOSES
| Number | Designation | Model 164.1/8 | Model 166 | |
|---|---|---|---|---|
| BA42.10-P-1003-04J | Brake pipe to master brake cylinder | Nm | 18 | 18 |
BRAKE LINES, BRAKE HOSES
| Number | Designation | Model 292 | |
|---|---|---|---|
| BA42.10-P-1003-04J | Brake pipe to master brake cylinder | Nm | 16 |
MASTER BRAKE CYLINDER
| Number | Designation | Model 164.1/8 | Model 166 | |
|---|---|---|---|---|
| BA42.10-P-1003-05H | Screw/bolt, brake fluid reservoir to master brake cylinder | Nm | 4 | 4 |
MASTER BRAKE CYLINDER
| Number | Designation | Model 292 | |
|---|---|---|---|
| BA42.10-P-1003-05H | Screw/bolt, brake fluid reservoir to master brake cylinder | Nm | 8 |
ELECTRONIC STABILITY PROGRAM (ESP)
| Number | Designation | Model 164.1/8 | |
|---|---|---|---|
| BA42.45-P-1001-01J | Brake pressure sensor to master brake cylinder | Nm | 35 |