Engine Lubrication: Service and Repair
Lubrication System Components Overview
1 Cylinder block
2 Oil pump drive chain
• Beginning with Model Year (MY) 2008 the roller chain has been changed to a tooth chain.
3 Bolt, 20 Nm + 90° (1/4 turn) additional turn
• Always replace.
4 Bolt, 25 Nm
5 Oil filter bracket with attachments
• Assembly overview, refer to --> [ Oil Filter Bracket with Attachments Overview ] Service and Repair.
6 Oil pump sprocket
• Removing and installing, refer to one of the following:
• Engine codes BGP, BGQ and BTK, refer to --> [ Oil Pump, Engine Codes BGP, BGQ and BTK ] .
• Engine codes CBTA and CBUA, refer to --> [ Oil Pump, Engine Codes CBTA and CBUA ] Oil Pump, Engine Codes CBTA and CBUA.
• Lettering points outward.
• With anti-twist mechanism.
7 Oil pump
• Removing and installing, refer to one of the following:
• Engine codes BGP, BGQ and BTK, refer to --> [ Oil Pump, Engine Codes BGP, BGQ and BTK ] .
• Engine codes CBTA and CBUA, refer to --> [ Oil Pump, Engine Codes CBTA and CBUA ] Oil Pump, Engine Codes CBTA and CBUA.
8 Bolt, 25 Nm
9 Oil dipstick
• Oil level must not be above the max. mark!
10 Retaining ring
• Clipped in on the intake manifold.
11 Oil dipstick guide tube
12 Intake manifold support
• For engines with Secondary Air Injection (AIR) system only.
13 Bolt, 25 Nm
14 O-ring
• Always replace.
15 Seal
• Always replace.
16 Bracket
17 Bolt, 10 Nm
18 Lower oil pan
• Removing and installing, refer to --> [ Lower Oil Pan ] Lower Oil Pan.
19 Bolt, 10 Nm
20 Oil pan drain plug, 30 Nm
• Always replace.
21 Oil intake pipe bracket bolt, 10 Nm
22 Oil intake pipe
23 Bolt, 25 Nm
24 Upper oil pan
• Removing and installing, refer to --> [ Upper Oil Pan ] Upper Oil Pan.