Engine Lubrication: Service and Repair
Lubrication System, Assembly Overview
1 8 Nm
• Fastened to intake manifold
2 Dipstick
• Oil level must not be above the max. mark!
• Marks --> [ Oil Dipstick Markings ] Description and Operation.
3 Guide tube
• For dipstick
• Secured by a bolt to intake manifold
4 Cylinder block
• Removing and installing sealing flange and dual-mass flywheel/drive plate--> [ Sealing Flange, Assembly Overview ] Service and Repair.
• Removing and installing crankshaft --> [ Crankshaft, Assembly Overview ] Crankshaft, Assembly Overview.
• Piston and connecting rod, disassembling and assembling --> [ Piston and Connecting Rod, Assembly Overview ] Service and Repair.
5 Oil check valve
• Note installation position
• Replace if badly soiled
• Removing and installing --> [ Oil Check Valve ] Service and Repair.
• See note --> [ Lubrication System ] Description and Operation.
6 8 Nm
7 Oil pump drive cover
8 O-ring
• Replace
• Oil before assembling
9 Oil pump drive
10 Intermediate shaft
11 Thrust washer
12 10 Nm
• Insert using locking fluid (D 000 600 A2)
13 Oil spray jet
• For piston cooling
• Built into crankshaft bearing 2 to 7
• Opening pressure 2.0 bar pressure
• Removing and installing --> [ Oil Spray Nozzle ] Service and Repair.
• See note --> [ Lubrication System ] Description and Operation.
14 Input shaft
• For oil pump drive
15 Oil pump
• Disassembling and assembling --> [ Oil Pump, Assembly Overview ] Service and Repair.
16 23 Nm
17 Oil drain plug, 30 Nm
• Replace if leaking
18 Oil pan
• Removing and installing --> [ Oil Pan ] Service and Repair.
19 Oil level thermal sensor (G266)
• Not for all engines
20 12 Nm
21 Baffle plate
22 8 Nm
• Insert using locking fluid (D 000 600 A2)
23 Seal
• Replace
• Oil before assembling
24 Oil filter housing/left engine bracket
• Disassembling and assembling --> [ Oil Filter Housing, Assembly Overview ] Service and Repair.
• Coolant hose connection diagram --> [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
• Removing and installing --> [ Engine Bracket and Mount ] Service and Repair.
25 23 Nm