Drain/Pour In Coolant - AR20.00-P-1142MSC
Engine 256.9 in model 167
MODIFICATION NOTES
| 03.03.2022 | New operation steps added. | Operation steps 8, 9, 11, 12, 13. |
| Risk of injury due to fan starting unexpectedly | Do not reach into the rotation or hazard area of the fan. Wear closed and close-fitting work clothes. | AS20.40-Z-0001-01A | |
| Risk of injury . Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| Risk of injury
to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant. |
Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the overpressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notice | Notes on coolant | AH20.00-P-2080-01KOA | |
| Notes on coolant level | AH20.00-P-1142-01CW | ||
| Drain off | |||
| 1 | Slowly unscrew cap from expansion reservoir and release overpressure. | ||
| 2 | Remove center and all front bottom engine compartment linings. | AR61.20-P-1105ME | |
| 3 | Remove oil cooler (5) at fan unit and place to one side with connected lines. | Engine 256.9 in model 167 with transmission 725.0 | AR27.55-P-1000MSC |
| 4 | Slide suitable drain hose onto drain fitting (4). | ||
| 5 | Open drain cock (3) and collect escaping coolant in suitable container. | ||
| 6 | Close drain cock (3) and remove drain hose from drain fitting (4). | ||
| Pour in | |||
| 7 | Attach oil cooler (5) to fan unit. | Engine 256.9 in model 167 with transmission 725.0 | AR27.55-P-1000MSC |
| 8 | Connect vehicle diagnosis system and switch on ignition. | ||
| AD00.00-P-2000-06ME | |||
| 9 | Start fill mode of engine cooling system. | ||
| 10 | Pour in coolant and bleed engine cooling system. | AR20.00-P-1142-04OLC | |
Proper distribution of the coolant is otherwise not ensured. |
|||
| Test pressure for pressure-testing the engine cooling system | *BE20.30-P-1005-01A | ||
| *BF20.00-P-1001-06MRT | |||
| Fig 3 | |||
| Fig 2 | |||
| Fig 5 | |||
| Fig 1 | |||
| Fig 4 | |||
| 11 | End fill mode of engine cooling system. | ||
| 12 | Start bleeding routine of engine cooling system. | If the bleeding routine was not completed successfully: ↓ Repeat bleeding routine of engine cooling system. |
|
| 13 | Switch off ignition and disconnect diagnostic system. | ||
| AD00.00-P-2000-06ME | |||
| 14 | Check engine cooling system for leak tightness. | AR20.00-P-1010MSC | |
| 15 | Install center and all front bottom engine compartment linings. | AR61.20-P-1105ME |
RADIATOR OR EXPANSION RESERVOIR CAP
| Number | Designation | 2-stage latch cover | ||
|---|---|---|---|---|
| BE20.30-P-1005-01A | Test pressure for pressure-testing the engine cooling system | Overpressure | bar | 1, 4 |
COOLING SYSTEM
| Number | Designation | Engine 256 in model 167 | |||
|---|---|---|---|---|---|
| BF20.00-P-1001-06MRT | Cooling system | Workshop replacement amount | Main circuit | Liter | ≈18, 9 |
| Low-temperature circuit | Liter | - | |||
| Antifreeze/water | to -37°C | % | 50/50 | ||
| as from -38°C | % | 55/45 | |||
| Specifications for Operating Fluids, sheet | BB00.40-P-0310-01A | ||||
| Specifications for Operating Fluids, sheet | BB00.40-P-0325-06A | ||||
| Specifications for Operating Fluids, sheet | BB00.40-P-0326-06A | ||||