Check low-temperature circuit cooling system for leaks - AR09.41-P-1010LFB
ENGINE 157, 278 in MODEL 217, 222
MODIFICATION NOTES
| 13.8.15 | Equipment, refrigeration | Engine 157 in Model 217 | BF20.00-P-1001-02FA |
| 13.8.15 | Equipment, refrigeration | Engine 157 in Model 222 | BF20.00-P-1001-02FA |
Shown on engine 278
| Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant. | Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| Notes on coolant | AH20.00-N-2080-01A | ||
| Remove | |||
| 1 | Remove upper engine cover | ||
| 2 | Unscrew cap on low-temperature circuit coolant expansion reservoir (1) | ||
| Check | |||
| 3 | Check coolant level and antifreeze content coolant in low-temperature circuit | In a case of the antifreeze content of the coolant being too low ↓ Add antifreeze or replace the coolant |
|
| 4 | Screw tester cap (2) onto low-temperature circuit coolant expansion reservoir (1) | Fig 3 | |
| 5 | Connect pressure pump (3) at tester cap (2) | Fig 2 | |
| 6 | Apply pressure to the low-temperature circuit | ||
| 7 | Perform a visual inspection on the components carrying coolant | ||
| 8 | Actuate pressure relief button (4) on pressure pump (3) and relieve the pressure | Fig 2 | |
| Install | |||
| 9 | Detach pressure pump (3) at tester cap (2) | Fig 2 | |
| 10 | Unscrew tester cap (2) at low-temperature circuit coolant expansion reservoir (1) | Fig 3 | |
| 11 | Check coolant level and antifreeze content coolant | Engine 278 in model 222 cooling system |
*BF20.00-P-1001-02EA |
| Engine 157 in model 217 Engine 157 in model 222 cooling system |
*BF20.00-P-1001-02FA | ||
| 12 | Unscrew cap on low-temperature circuit coolant expansion reservoir (1) | ||
| 13 | Install upper engine cover |
COOLING SYSTEM
| Number | Designation | Engine 278 in model 217 | Engine 278 in model 222 | ||
|---|---|---|---|---|---|
| BF20.00-P-1001-02EA | Cooling system | Workshop replacement quantity | Main circuit Liter | ≈12, 1 | ≈12, 1 |
| Low temperature Liter circuit | ≈3, 6 | ≈3, 6 | |||
| Antifreeze/water | Up to -37°C % | 50/50 | 50/50 | ||
| As of -38 °C % | 55/45 | 55/45 | |||
| Specification | Coolant (Specification 310.1). See https://bevo.mercedes-benz.com/index.php?language_id=1 | Coolant (Specification 310.1). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |||
| Specification | Anticorrosion/antifreeze agents (Specification 325.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | Anticorrosion/antifreeze agents (Specification 325.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |||
| Specification | Premixed coolant (Specification 326.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | Premixed coolant (Specification 326.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |||
COOLING SYSTEM
| Number | Designation | Engine 157 in model 217 | Engine 157 in model 222 | ||
|---|---|---|---|---|---|
| BF20.00-P-1001-02FA | Cooling system | Workshop change quantity | Main circuit Liter | ≈9 | ≈9 |
| Low-temperature Liter circuit | ≈2, 5 | ≈2, 5 | |||
| Antifreeze/water | Up to -37 °C % | 50/50 | 50/50 | ||
| As of -38 °C % | 55/45 | 55/45 | |||
| Specification | Coolant (Specification 310.1). See https://bevo.mercedes-benz.com/index.php?language_id=1 | Coolant (Specification 310.1). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |||
| Specification | Anticorrosion/antifreeze agents (Specification 325.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | Anticorrosion/antifreeze agents (Specification 325.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |||
| Specification | Premixed coolant (Specification 326.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | Premixed coolant (Specification 326.0). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |||