Test cooling system cap - AR20.30-P-4300SXI
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2016 Mercedes-Benz E63 S AMG, 2016 Mercedes-Benz E400, 2016 Mercedes-Benz E350, 2016 Mercedes-Benz E300, and 2016 Mercedes-Benz E250. However, it is still accessible from the selected car via links, so may be relevant.
ENGINES 642 in MODELS 212, 221, 218
| Checking | |||
| Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by 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 | ||
| 1 | Open cooling system cap (1) | ||
| 2 | Attach tester cap/adapter (2) to pressure pump (3) | Figure | |
| Fig 2 | |||
| 3 | Screw cooling system cap (1) onto test connection/adapter (2) | ||
| 4 | Check cooling system cap (1) | ||
| Cap code number | *BE20.30-P-1001-01A | ||
| Pressure relief valve opens | *BE20.30-P-1002-01A | ||
| Vacuum valve opens (reference value) | *BE20.30-P-1003-01A | ||
| Pressure relief valve opens | *BE20.30-P-1004-01A | ||
| Test pressure for pressure-testing cooling system | *BE20.30-P-1005-01A |
CAP FOR RADIATOR OR EXPANSION RESERVOIR
| Number | Designation | 2-stage cap | ||
|---|---|---|---|---|
| BE20.30-P-1001-01A | Cap code number | 140/200 | ||
| BE20.30-P-1002-01A | Pressure relief valve opens | New | bar gauge | - |
| Used | bar gauge | - | ||
| BE20.30-P-1003-01A | Vacuum valve opens (reference value) | bar vacuum | 0.1 | |
| BE20.30-P-1004-01A | Pressure relief valve opens | Stage 1 | bar gauge | 1.4 (±1) |
| Coolant temp. | ≥130/134 | |||
| Stage 2 | bar gauge | 2.0 (±1) | ||
| Coolant temp. | ≥137/143 | |||
| BE20.30-P-1005-01A | Test pressure for pressure-testing cooling system | bar gauge | 1.4 | |