Check oil pressure - AR18.00-P-1250MCU
ENGINES 132.910 in MODEL 451.3/4
| Removing | |||
| Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. |
AS00.00-Z-0005-01A | |
| 1 | Remove oil pressure switch (S41/1) | AR18.40-P-4132MCU | |
| Checking | |||
| 2 | Screw adapter into threaded hole for oil pressure switch (S41/1) | Fig 2 | |
| 3 | Attach oil pressure testing device to adapter | Fig 2 | |
| 4 | Lower vehicle with vehicle lift | ||
| 5 | Remove interior flap above engine | AR88.40-P-1100-03MCC | |
| 6 | Check engine oil level, correct if necessary | ||
| Multigrade engine oils (Sheet 229.5) | Sheet 229.5 | Multigrade engine oils (specification 229.5). See https://bevo.mercedes-benz.com/index.php?language_id=1 | |
| 7 | Allow engine to run until operating temperature of about 80°C has been reached and read off the engine oil pressure for idle speed on the oil pressure testing device pressure gauge Oil pressure tester | *BE18.00-P-1002-01E | |
| Fig 2 | |||
| 8 | Increase the engine speed to 3500 rpm and read off the pressure on the gauge of the oil pressure tester with the engine warm. | *BE18.00-P-1003-01E | |
| Fig 2 | |||
| 9 | Turn off engine | ||
| 10 | Raise vehicle with vehicle lift | ||
| 11 | Detach on oil pressure testing device from adapter and remove adapter from threaded hole for oil pressure switch (S41/1) | ||
| Install | |||
| 12 | Install oil pressure switch (S41/1) | AR18.40-P-4132MCU | |
| 13 | Lower vehicle with vehicle lift | ||
| 14 | Install interior flap above engine | AR88.40-P-1100-03MCC |
OIL PRESSURE TEST SPECIFICATIONS
| Number | Designation | Engine 132 | |
|---|---|---|---|
| BE18.00-P-1002-01E | Oil pressure engine at operating temperature and idling | bar | 0.6 to 1.6 |
| BE18.00-P-1003-01E | Oil pressure at engine operating temperature and 3500 rpm | bar | 2.5 to 4.3 |