Remove/Install Brake Booster - AR43.10-P-0350W
Model 172
MODIFICATION NOTES
| 06.04.2017 | Retaining screw, brake line to master brake cylinder | BA42.10-P-1003-04L | |
| 06.04.2017 | Retaining screw, brake line to hydraulic unit | BA42.10-P-1004-04L |
Shown on engine 276
| Remove/install | |||
| 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 | |
| Notes on externally invisible brake fluid loss | AH42.10-P-9406-02A | ||
| Brake fluid notes | AH42.50-P-0001-01A | ||
| Notes on repairs to brake system | AH42.00-P-0003-01A | ||
| Notes on self-locking nuts and bolts | AH00.00-N-0001-01A | ||
| 1 | Eliminate vacuum in BAS brake booster (A7/7) | ||
| 2 | Remove air/water duct (1) | AR83.25-P-1402V | |
| 3.1 | Remove front engine cover | Engine 276 | |
| 3.2 |
Remove air filter element | Engine 271 | AP09.10-P-0980CWT |
| 4 | Remove oil dipstick | ||
| 5 | Loosen refrigerant line (4) and secure to one side | ||
| 6 | Detach vacuum line from check valve (10) | In vehicles with radiator shutters | |
| 7 | Pull check valve (10) out of BAS brake booster (A7/7) | AR43.10-P-0355W | |
| 8 | Suction off brake fluid from brake fluid expansion reservoir (2) | ||
| 9 | Remove brake line (7) | *BA42.10-P-1003-04L | |
| *BA42.10-P-1004-04L | |||
| 10 | Unscrew brake line (6) from master brake cylinder (8) | *BA42.10-P-1003-04L | |
| 11 | Detach feed hose for clutch master cylinder (arrow) from brake fluid expansion reservoir (2) | Vehicles with manual transmission |
Fig 1 |
| 12 | Disconnect electrical connector from brake fluid level switch (S11) | ||
| 13 | Remove cap from fuse box (11) | ||
| 14 | Remove left cover below dashboard | ||
| 15 | Disconnect electrical connector (12) from brake lamp switch (S9/1) | ||
| 16 | Unscrew safety screw (14) and remove brake pedal from clevis (13) | *BA43.10-P-1002-01J | |
| 17 | Unscrew nuts (15) from BAS brake booster (A7/7) | *BA43.10-P-1001-01J | |
| 18 | Release fuse box (11) and pull out of bulkhead | ENGINE 152, 276 | AR54.15-P-1256-01W |
| 19 | Take out BAS brake booster (A7/7) | Otherwise, the brake line (6) must be replaced. Otherwise the BAS brake booster (A7/7) must be replaced. |
|
| 20 | Remove master brake cylinder (8) | When replacing the BAS brake booster (A7/7) | AR42.10-P-0300CW |
| 21 | Install in the reverse order | ||
| 22 |
Carry out brake test on the test stand | AP42.00-P-4290BA |
BRAKE LINES, BRAKE HOSES
| Number | Designation | Model 172 | ||
|---|---|---|---|---|
| BA42.10-P-1003-04L | Retaining screw, brake line to master brake cylinder | Ø4.75 | Nm | 16 |
| Ø6 | Nm | 16 | ||
| Ø8 | Nm | 16 | ||
BRAKE LINES, BRAKE HOSES
| Number | Designation | Model 172 | ||
|---|---|---|---|---|
| BA42.10-P-1004-04L | Retaining screw, brake line to hydraulic unit | Ø4 75 | Nm | 16 |
| Ø6 | Nm | 16 | ||
| Ø8 | Nm | 16 | ||
PNEUMATIC BRAKE BOOSTER
| Number | Designation | Model 172 | |
|---|---|---|---|
| BA43.10-P-1001-01J | Nut, brake booster carrier to front end | Nm | 22 |
PNEUMATIC BRAKE BOOSTER
| Number | Designation | Model 172 | |
|---|---|---|---|
| BA43.10-P-1002-01J | Brake booster to brake pedal | Nm | 22 |