Drain/Fill Low-Temperature Circuit Coolant - AR09.41-P-6834SVZ
Engine 279 in model 223
| 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 | |
| Notice | Notes on coolant | AH20.00-P-2080-01KOA | |
| Notes on coolant level | AH20.00-P-1142-01CW | ||
| Remove | |||
| 1 | Remove engine cover. | AR01.10-P-2405SVZ | |
| 2 | Carefully open cap (2) of low-temperature circuit expansion reservoir (1), release overpressure, and remove cap (2). | ||
| 3 | Remove front engine compartment lining and right side front engine compartment lining. | AR61.20-P-1105S | |
| Drain off | |||
| 4 | Remove coolant hose (5) from low-temperature circuit cooler and collect escaping coolant in a suitable container. | AR20.20-P-7441-01RQ | |
| 5 | Install coolant hose (5) on low-temperature circuit cooler. | AR20.20-P-7441-01RQ | |
| Pour in | |||
| 6 | Connect diagnostic system, switch on ignition, and start fill mode of low-temperature circuit. | ||
| AD00.00-P-2000-06FR | |||
| 7 | Fill and vent low-temperature circuit. | Do not fill low-temperature circuit without activating fill mode. Proper distribution of the coolant is otherwise not ensured. |
AR09.41-P-6834-01SVZ |
| *BF20.00-P-1001-02GA | |||
| Test pressure for pressure-testing the engine cooling system | *BE20.30-P-1005-01A | ||
| Fig 2 | |||
| Fig 5 | |||
| Fig 1 | |||
| Fig 4 | |||
| Fig 3 | |||
| 8 | End fill mode of low-temperature circuit. | ||
| 9 | Start bleeding routine of low-temperature circuit with diagnostic system. | If the bleeding routine was not completed successfully: ↓ Repeat bleeding routine of low-temperature circuit. |
|
| 10 | Disconnect diagnostic system and switch off ignition. | ||
| AD00.00-P-2000-06FR | |||
| Check | |||
| 11 | Check coolant level and correct if necessary. | *BF20.00-P-1001-02GA | |
| Install | |||
| 12 | Seal low-temperature circuit expansion reservoir (1) with cap (2). | ||
| 13 | Install engine cover. | AR01.10-P-2405SVZ | |
| 14 | Install front engine compartment lining and right side front engine compartment lining. | AR61.20-P-1105S |
RADIATOR OR EXPANSION RESERVOIR CAP
| Number | Designation | 1-stage cover latch | 2-stage latch cover | ||
|---|---|---|---|---|---|
| BE20.30-P-1005-01A | Test pressure for pressure-testing the engine cooling system | Overpressure | bar | 1, 4 | 1, 4 |
COOLING SYSTEM
| Number | Designation | Engine 279 in model 223 | |||
|---|---|---|---|---|---|
| BF20.00-P-1001-02GA | Cooling system | Workshop replacement amount | Main circuit | Liter | ≈16, 0 |
| Low-temperature circuit | Liter | ≈5, 0 | |||
| Antifreeze/water | Down to -37°C | % | 50/50 | ||
| -38°C and below | % | 55/45 | |||
| Specifications | BB00.40-P-0310-01A | ||||
| Specifications | BB00.40-P-0325-06A | ||||
| Specifications | BB00.40-P-0326-06A | ||||