Test Brake System With Pressure Tester For Leaks - AR42.10-P-0015ME
Model 167
| Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| 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 | |
| Notice | Notes on externally invisible brake fluid loss | AH42.10-P-9406-02A | |
| Notice | Notes on repairs to brake system | AH42.00-P-0003-01A | |
| Notice | Brake fluid notes | AH42.50-P-0001-01A | |
| Check | |||
| 1 | Remove cover over brake fluid reservoir (1). | ||
| 2 | Clean area around cap of brake fluid reservoir (1). | Assembly cleaner | *BR00.45-Z-1028-04A |
| 3 | Unscrew cap of brake fluid reservoir (1). | ||
| 4 | Connect filling unit to brake fluid reservoir (1). | ||
| 000 588 01 82 00 Filling unit | WS25.00-P-0016B | ||
| Brake fluids (DOT 4 plus) | BB00.40-P-0331-00A | ||
| General brake fluid | BB00.40-P-0330-01A | ||
| 5 | Raise vehicle. | AR00.60-P-1006A | |
| 6 | Remove vent screw from front left brake caliper (2) and connect test equipment (3). | ||
| 000 588 07 21 00 Test equipment | WS42.00-P-0014B | ||
Do not use test equipment (3) for hydraulic oil systems on systems with brake fluid. Otherwise, the brake fluid will be mixed with mineral oil, which can cause brake failure. |
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| 7 | Bleed test equipment (3). | ||
| 8 | Start engine and run. | ||
| 9 | Depress brake pedal and insert brake pedal jack (4) with adapter between brake pedal and driver's seat. | ||
| Fig 1 | |||
| Fig 2 | |||
| 10 | Read off and note brake pressure on high-pressure manometer of test equipment (3). | ||
| 11 | Read off brake pressure again on high-pressure manometer of test equipment (3) after the specified test period and compare against previously-noted value. | *BE42.10-P-1001-19A | |
| If the brake pressure loss is too high. ↓ Determine cause and replace defective component parts. |
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| 12 | Switch off engine and remove brake pedal jack (4) with adapter. | ||
| 13 | Reduce vacuum in brake booster (5) by depressing brake pedal several times. | ||
| 14 | Depress brake pedal and insert brake pedal jack (4) with adapter between brake pedal and driver's seat. | Fig 1 | |
| Fig 2 | |||
| 15 | Slowly turn back brake pedal jack (4) until the low-pressure manometer of the test equipment (3) displays the specified brake pressure. | *BE42.10-P-1001-19A | |
| Fig 1 | |||
| Fig 2 | |||
| 16 | Read off brake pressure on low-pressure manometer of test equipment (3) after the specified test period. | *BE42.10-P-1001-19A | |
| If a drop in brake pressure is detected, ↓ determine leakage in brake system and replace defective component parts. |
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| 17 | Remove brake pedal jack (4) and adapter. | Fig 1 | |
| Fig 2 | |||
| 18 | Disconnect test equipment (3) from brake caliper (2) and screw vent screw all the way into brake caliper (2). | ||
| 19 | Bleed front left brake caliper (2). | AR42.10-P-0010-02MFA | |
| Notice | Notes on handling, transport and storage of composite brake disks | AH42.10-P-9406-12LF | |
| 000 588 01 82 00 Filling unit | WS25.00-P-0016B | ||
| *BA42.10-P-1001-10L | |||
| 20 | Disconnect filling unit from brake fluid reservoir (1). | ||
| 000 588 01 82 00 Filling unit | WS25.00-P-0016B | ||
| 21 | Correct fluid level in brake fluid reservoir (1). | ||
| AP42.10-P-4210E | |||
| 22 | Seal brake fluid reservoir (1) with cap. | ||
| 23 | Install cover over brake fluid reservoir (1). | ||
| 24 | Lower vehicle. | AR00.60-P-1006A |
HYDRAULIC BRAKE SYSTEM
| Number | Designation | Model 167 | |||
|---|---|---|---|---|---|
| BE42.10-P-1001-19A | Check values for leak test | High-pressure test | Test period | min | 5 |
| Brake pressure loss | % | 5 | |||
| Low-pressure test | Brake pressure | bar | 3 | ||
| Test period | min | 2 | |||
| Brake pressure loss | bar | 0 | |||
FRONT AXLE BRAKE CALIPER
| Number | Designation | Model 167 | |
|---|---|---|---|
| BA42.10-P-1001-10L | Bleed screw at brake caliper | Nm | 18 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1028-04A | Assembly cleaner | A 000 986 56 01 |