Engine Lubrication: Service and Repair
Oil Pan, Oil Pump and Oil Cooler Component Overview
• If large quantities of metal shavings or abraded material are found in the engine oil while servicing the engine, the oil passages must be carefully cleaned to prevent resulting damage and the oil cooler must be replaced.
• The oil level must not be above the max. mark - danger of damage to catalytic converter!
• Oil injector jet for piston cooling => [ Oil spray jet for piston cooling ]
1 9 Nm
• Depending on the version, bolt or nut
• Insert with locking compound; Locking compound.
2 Oil Level Thermal Sensor (G266)
3 Oil drain plug - 30 Nm
4 9 Nm
5 Lower oil baffle
6 16 Nm
• Fasten in diagonal sequence in steps
7 Oil pan (upper section)
• Removing and installing, refer to => [ Oil Pan Upper Section ] Oil Pan Upper Section
8 O-ring
• Replace
9 9 Nm
• Insert with locking compound; Locking compound.
10 Upper oil baffle
11 Gasket
• Replace
12 Gasket
• Replace
13 9 Nm
14 Oil cooler
• Removing and installing, refer to => [ Oil Cooler ] Oil Cooler
• With oil cooler by-pass valve
15 9 Nm
16 Drive shaft for oil pump
17 Spring
18 Bracket
19 9 Nm
20 Chain sprocket for oil pump
• Can only be placed onto drive shaft in one position
21 30 Nm plus an additional 90° (1/4 turn)
• Replace
• To loosen, counterhold on sprocket with Spanner Wrench (3212)
22 O-ring
• Replace
23 O-rings
• Replace
24 20 Nm
25 Oil pump
• Do not disassemble
• With cold pressure relief valve 11 bar and pressure regulator valve 4.3 bar
• Removing and installing, refer to => [ Oil Pump ] Oil Pump
26 Bolt
Aluminum oil pan lower part:
• 9 Nm
• Fasten in diagonal sequence in steps
Metal oil pan lower part:
• Replace
• 5 Nm plus an additional 90° (1/4 turn)
• Fasten in diagonal sequence in steps
27 Oil pan (lower section)
• Different versions
• Removing and installing, refer to => [ Oil Pan Lower Section ] Oil Pan Lower Section
28 Seal
• Replace
Oil spray jet for piston cooling
1. Install the bolt - 9 Nm - using a locking compound.
2. Oil spray nozzle with spray nozzle valve (opening pressure 2 to 2.4 bar)