Remove/install oil pump - AR18.10-P-6020GZA (ML350, ML550, GL450, GL550)
WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2012 Mercedes-Benz GL550, 2012 Mercedes-Benz GL450, 2011 Mercedes-Benz ML63, 2011 Mercedes-Benz ML550, and 2011 Mercedes-Benz ML350. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE 272, 273 in MODEL 164, 251
| Remove/install | |||
|---|---|---|---|
| 1 | Separate connector (3) | ||
| 2 | Remove oil pan bottom section | AR01.45-P-7555GZA | |
| 3 | Detach oil suction pipe (1) with bracket (2) and oil sensor (B40) from crankcase; to do so, remove bolts (4) | ||
| *BA18.10-P-1005-01B | |||
| Fig 3 | |||
| 4 | Remove oil pump (5) from crankcase by unscrewing bolts (6) | *BA18.10-P-1008-01B | |
| Fig 2 | |||
| 5 | Push back chain tensioner (7) and take oil pump chain (8) off oil pump gear (9) | ||
| 6 | Remove oil pump (5) with oil suction pipe (1) | ||
| 7 | Install in the reverse order |
OIL PUMP
| Number | Designation | Engine 272 | Engine 273 | ||
|---|---|---|---|---|---|
| BA18.10-P-1005-01B | Oil suction pipe to crankcase | Nm | 9 | 9 | |
| BA18.10-P-1008-01B | Bolt, oil pump to crankcase | Stage 1 | Nm | 5 | 5 |
| Stage 2 | Nm | 20 | 20 | ||