Inspect Cooling System For Leaks- AR20.00-P-1010XGA
Engine 176, 177 in Model 463 from Model year 2019
Shown on Model 463 from Model year 2019 with Engine 176
| Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant. | Open the cooling system only at coolant temperatures below 90 ° C. Slowly open the lid and release the excess pressure. Do not pour coolant into drinking containers. Wear protective gloves, protective clothing and protective goggles. | AS20.00-Z-0001-01A | |
| Notes coolant | AH20.00-N-2080-01A | ||
| Notes on coolant level | AH20.00-P-1142-01CW | ||
| Remove | |||
| 1 | Switch on ignition. | ||
| 2 | Set the heating to maximum heating output. | ||
| 3 | Remove the upper engine cover. | Engine 176 in Model 463 from Model year 2019 | AR01.10-P-2405XGA |
| Engine 177 in Model 463 from Model year 2019 | AR01.10-P-2405XGC | ||
| 4 | Remove the lower engine compartment panels. | AR61.20-P-1105XG | |
| 5 | Remove the cap (1) from the coolant expansion tank (2). | ||
| Check | |||
| 6 | Check coolant level and antifreeze content of the coolant, correct if necessary. | *BF20.00-P-1001-06A | |
| *BF20.00-P-1001-02LA | |||
| *BF20.00-P-1001-04A | |||
| 7 | Attach the test cap (3) to the coolant expansion tank (2). | Fig 2 | |
| 8 | Connect the pressure pump (4) to the test cap (3). | Fig 3 | |
| 9 | Apply test pressure to the engine cooling system for 2 minutes. | Do not exceed the specified test pressure. Otherwise the engine cooling system will be damaged. |
|
| Test pressure for pressure-testing the cooling system | *BE20.30-P-1002-01D | ||
| 10 | Carry out a visual inspection of coolant-carrying components and connection points for condition and loss of coolant. | If there is a loss of pressure, ↓ Replace the damaged component. |
|
| 11 | Release excess pressure via valve on pressure pump (4). | Fig 3 | |
| 12 | Disconnect the pressure pump (4) from the test cap (3). | Fig 3 | |
| 13 | Remove tester cap (3) on coolant expansion tank (2). | Fig 2 | |
| 14 | Check coolant level and antifreeze content of the coolant, correct if necessary. | *BF20.00-P-1001-06A | |
| *BF20.00-P-1001-02LA | |||
| *BF20.00-P-1001-04A | |||
| Install | |||
| 15 | Place cap (1) on the coolant expansion tank (2). | ||
| 16 | Install the lower engine compartment panels. | AR61.20-P-1105XG | |
| 17 | Install the upper engine cover. | Engine 176 in Model 463 from Model year 2019 | AR01.10-P-2405XGA |
| Engine 177 in Model 463 from Model year 2019 | AR01.10-P-2405XGC | ||
| 18 | Switch off the ignition. |
COOLING SYSTEM CHECK VALUES
| Number | Designation | Engine 176 | Engine 177 | ||
|---|---|---|---|---|---|
| BE20.30-P-1002-01D | Test pressure for pressure testing the cooling system | Overpressure | bar | 1, 4 | 1, 4 |
COOLING SYSTEM
| Number | Designation | Engine 177 in Model 463 from Model year 2019 |
|||
|---|---|---|---|---|---|
| BF20.00-P-1001-02LA | Cooling system | Workshop replacement amount | Main circuit | Liter | ≈ 13, 7 |
| Low-temperature circuit | Liter | ≈ 6, 6 | |||
| Antifreeze / water | Down to -37°C | % | 50/50 | ||
| -38°C and below | % | 55/45 | |||
| Specifications for Operating Fluids | BB00.40-P-0310-01A | ||||
| Specifications for Operating Fluids | BB00.40-P-0325-06A | ||||
| Specifications for Operating Fluids | BB00.40-P-0326-06A | ||||
COOLANT MIXING RATIO
| Number | Designation | Engine all, except Engine 178 in Model 190.381 | |||
|---|---|---|---|---|---|
| BF20.00-P-1001-04A | Coolant mixing ratio | Antifreeze / water | up to -25°C | % | - |
| up to -37°C | % | 50/50 | |||
| As of -38°C | % | 55/45 | |||
| Overview and specifications | BB00.40-P-0310-01A | ||||
| References to specification | BB00.40-P-0310ZZ | ||||
COOLING SYSTEM
| Number | Designation | Engine 176 in Model 463 from Model year 2019 |
|||
|---|---|---|---|---|---|
| BF20.00-P-1001-06A | Cooling system | Workshop replacement amount | Main circuit | Liter | ≈ 13 |
| Low-temperature circuit | Liter | ≈ 4, 6 | |||
| Antifreeze / water | Down to -37°C | % | 50/50 | ||
| -38°C and below | % | 55/45 | |||
| Specifications for Operating Fluids | BB00.40-P-0310-01A | ||||
| Specifications for Operating Fluids | BB00.40-P-0325-06A | ||||
| Specifications for Operating Fluids | BB00.40-P-0326-06A | ||||