Engine Lubrication: Service and Repair

Oil Pan Upper and Lower Sections, Oil Pump and Oil Cooler Overview

Danger of catalytic converter damage.

• The oil level must not exceed the "MAX" marking.

• If large quantities of metal particles or abraded material are detected during engine repairs, it may mean the crankshaft or rod bearings are damaged. To prevent subsequent damage, the following work must be performed after the repair: Oil channels must be cleaned carefully; replace oil spray jets, engine oil cooler and oil filter.

• Oil capacities, specifications and viscosity classes, refer to the Parts Catalog.

• Oil injector jet for piston cooling, refer to => [ Oil Spray Jet for Piston Cooling ] Pistons and Connecting Rod Overview.






1 Nut

• 9 Nm

2 Oil Level Thermal Sensor (G266)

• Removing and installing, refer to => [ Oil Level Thermal Sensor (G266) ] Service and Repair

3 Seal

• Replace

4 Lower Oil Pan

• Removing and installing, refer to => [ Lower Oil Pan ] Lower Oil Pan

5 Bolt

• Replace

• 3 Nm plus an additional 90° turn

6 Lower Oil Baffle

7 Bolt

• Replace

• Tightening specification and sequence, refer to => [ Upper Oil Pan, Tightening Specifications and Sequence ]

8 Upper Oil Pan

• Removing and installing, refer to => [ Upper Oil Pan ] Upper Oil Pan

9 Alignment Bushing

• Quantity: 2

10 O-ring

• Insert into guide frame

• Replace

11 Bolt

• 9 Nm

• Insert with locking compound; Locking compound, refer to the Parts Catalog.

12 Upper Oil Baffle

13 Gasket

• Insert into guide frame

• Replace

14 Gasket

• Replace

15 Bolt

• 9 Nm

16 Engine Oil Cooler

• See note

• Removing and installing, refer to => [ Engine Oil Cooler ] Service and Repair

• With oil cooler bypass valve

17 Bolt

• 9 Nm

18 Oil Pump Input Shaft

19 Pressure Spring

20 Sleeve

• Quantity: 2

21 Bracket

22 Bolt

• 9 Nm

23 Chain Sprocket for Oil Pump

• Can only be placed onto driveshaft in one position

24 Bolt

• 30 Nm plus an additional 90° turn

• Replace

• For loosening and tightening, counter hold on the chain sprocket with a spanner wrench (3212)

25 O-ring

• Replace

26 Gasket

• Replace

27 O-ring

• Replace

28 Oil Pump

• Do not disassemble

• Removing and installing, refer to => [ Oil Pump ] Service and Repair

29 Bolt

• 20 Nm

30 Bolt

• Replace

• Tightening specification and sequence, refer to => [ Lower Oil Pan, Tightening Specifications and Sequence ]

31 Seal

• Replace

32 Oil Drain Plug

• 30 Nm

Lower Oil Pan, Tightening Specifications and Sequence





• Replace any bolts that were tightened with an additional turn.

- Tighten bolts in 2 stages as follows:






Upper Oil Pan, Tightening Specifications and Sequence





• Replace any bolts that were tightened with an additional turn.

- Tighten bolts in 2 stages as follows: