Engine Lubrication: Service and Repair
Lubrication System Component Overview
• 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 further damage, perform the following steps after the repair:
• Clean the oil passages carefully.
• Replace the oil spray jets.
• Replace the engine oil cooler.
• Replace the oil filter element.
• The oil level must not exceed the MAX mark - danger of damaging the catalytic converter.
I - => [ Oil Pan ]
II - => [ Oil Pump and Balance Shaft Drive ]
III - => [ Oil Filter Adapter ]
Oil Pan
1 Bolt
• 15 Nm
2 Oil Dipstick
• Marks, refer to => [ Marks on the Oil Dipstick ] Description and Operation.
• The oil level must not be above the MAX. mark!
3 Guide Tube
4 Guide Tube
5 Intermediate Plate
6 Oil Pump with Balance Shaft Drive
• With a pressure relief valve: 12 bar
• Removing and installing, refer to => [ Oil Pump with Balance Shaft Drive ] Service and Repair.
7 Bolt
• 15 Nm + an additional 90° (1/4) turn.
• Always replace.
• Note the differences in the bolt lengths. Refer to => [ Bolt Allocation for the Balance Shaft Drive ] Service and Repair.
8 Bolt
• 15 Nm
• Tightening sequence, refer to => [ Oil Pan ] Service and Repair.
9 Bolt
• 8 Nm
• For the charge air pipe.
10 Oil Pan
• Clean the sealing surface before installing.
• Removing and installing, refer to => [ Oil Pan ] Service and Repair.
11 Bolt
• 15 Nm
12 Oil Drain Plug
• 30 Nm
• Always replace.
• With a permanent seal.
13 Chain Sprocket
14 Bolt
• 10 Nm
15 Shield
16 Oil Level Thermal Sensor (G266)
17 Seal
• Always replace.
• Lubricate before installing.
18 Bolt
• 20 Nm + an additional 90° (1/4) turn
• Always replace.
19 Protective Plate
20 Chain
21 Sealing Flange
• Must be located on the alignment sleeves.
• Removing and installing, refer to => [ Sealing Flange, Belt Pulley Side ] Sealing Flange, Belt Pulley Side.
• To remove and install, remove the oil pan => [ Oil Pan ] Service and Repair.
• Seal replacing. Refer to => [ Crankshaft Seal, Belt Pulley Side ] Service and Repair.
Oil Pump and Balance Shaft Drive
1 Protective Plate
2 Chain
• Mark the direction of travel (installed position) using a colored mark before removing.
3 Alignment Sleeves
4 Intermediate Plate
5 Oil Pump with Balance Shaft Drive
• Before installing, check to be sure both alignment sleeves are present for centering.
• Removing and installing, refer to => [ Oil Pump with Balance Shaft Drive ] Service and Repair.
6 Bolt
• 9 Nm
7 Windage Tray
• Prevents engine oil from foaming up.
8 Bolt
• 40 Nm
9 Bolt
• 8 Nm
10 Oil Intake Pipe
• Clean the screen if it is dirty.
11 O-ring
• Always replace.
12 Bolt
• 15 Nm + an additional 90° (1/4) turn.
• Always replace.
• Note the differences in the bolt lengths. Refer to => [ Bolt Allocation for the Balance Shaft Drive ] Service and Repair.
13 Outer Rotor
• Check contact surfaces for groove build up.
• Mark must be visible.
14 Inner Rotor
• Check the contact surfaces for groove build up.
15 Oil Pump Cover
16 Chain Sprocket
17 Bolt
• 20 Nm + an additional 90° (1/4) turn.
• Always replace.
18 Chain Tensioner with Tensioning Rail
• Preload to install, refer to => [ Chain Tensioner, Pre-tensioning ] Service and Repair.
19 Bolt
• 15 Nm
Oil Filter Adapter
1 Vent Tube
• For crankcase ventilation.
2 Oil Pressure Switch (F1)
• 21 Nm
• 1.4 bar, black
• Checking the 1 pin oil pressure switch. Refer to => [ Oil Pressure and Oil Pressure Switch, Checking, 1 Pin Switch ] Oil Pressure and Oil Pressure Switch, Checking, 1 Pin Switch.
• Checking the 2 pin oil pressure switch. Refer to => [ Oil Pressure and Oil Pressure Switch, Checking, 2 Pin Switch ] Oil Pressure and Oil Pressure Switch, Checking, 2 Pin Switch.
• Removing and installing, refer to => [ Oil Pressure Switch (F1) ] Service and Repair.
• With a ground wire for the oil pressure switch (only for the 1 pin oil pressure switch).
3 Bolt
• 15 Nm
• For the ground wire for the 1 pin oil pressure switch.
4 Bracket
5 Bolt
• 15 Nm
6 Engine Oil Cooler
• See the note in the => [ Lubrication System Component Overview ] Service and Repair.
• Make sure there is enough space to the surrounding components.
• Coolant hose connection diagram. Refer to => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
7 Gasket
• Always replace.
8 Oil Filter Housing
• 25 Nm
• Remove and install using the oil filter wrench (3417).
• Draining, refer to => [ Oil Filter Housing, Draining ] Service and Repair.
9 Cap
10 Seal
• Always replace.
• Install when lubricated.
• Service flag upward.
11 Oil Filter Element
• Drain the oil filter housing before removing. Refer to => [ Oil Filter Housing, Draining ] Service and Repair.
12 Bolt
• 15 Nm + an additional 90° (1/4) turn.
• Always replace.
13 Oil Baffle
• Installed position, refer to => [ Oil Baffle Installed Position ].
14 Gasket
• Always replace.
15 Oil Filter Adapter
• With the pressure relief valve, approximately 4 bar.
• Removing and installing, refer to => [ Oil Filter Adapter ] Service and Repair.
Oil Baffle Installed Position
