Removal and installation or replacing the oil pump (M54)
1. Remove the oil pan.
Please note: Left-hand thread.
2. Unscrew the nut.
Tightening torque:
- M6: 10 Nm.
- M10x 1:25 Nm.
- M10: 45 Nm.
3. Remove the chain drive sprocket with the chain installed.
Note: When installing, it is necessary to align the ring gear, sprockets and oil pump shaft relative to each other.
Note: Execution 1.
4. The oil pump is built into the oil level stabilizer.
5. Unscrew the bolts (1) and remove the oil pump together with the oil level stabilizer.
Note:
- Execution 2.
- The oil pump and oil level regulator are two separate parts:
7. Loosen the mounting bolts and remove the oil pump suction pipe.
Note:
- Execution 2.
- The oil pump and oil level regulator are two separate parts:
8. Loosen the mounting bolts and remove the oil pump.
Note: When installing, check the centering bushings (1) for damage and correct installation.
Note: When installing, it is necessary to replace the O-ring on the suction pipe.
9. If necessary, remove the thermostatic piston.
10. Press the bushing down with a suitable rod.
Caution: The thermostatic piston bushing is under spring pressure.
11. Remove the retaining ring.
12. Assemble the engine.