Oil Pump, Oil Pan and Balance Shaft Module
Oil Pump, Oil Pan and Balance Shaft Module
Follow the Safety Precautions. Refer to --> [ If metal shavings or a large quantity of small metal particles are found when repairing an engine, this could indicate that the crankshaft and connecting rod bearings are damaged. To prevent further damage, perform the following steps after the repair: ] Service and Repair.
Oil spray nozzle and pressure relief valve, refer to --> [ Oil Spray Jet and Pressure Relief Valve ]
1 Oil Pan
• Removing and installing, refer to --> [ Oil Pan ] Service and Repair.
2 10 Nm
3 Intake Connection
• Clean strainer if contaminated
4 10 Nm
5 O-Ring
• Replace
6 Oil Pump
• Removing and installing, refer to --> [ Oil Pump ] Service and Repair.
• Before installing, check if both alignment sleeves for centering oil pump on the balance shaft module are present.
7 Driveshaft for Oil Pump
8 Circlip
• Must lie in base of the groove
• Replace damaged or stretched circlips
9 Balance Shaft Spur Gear
10 20 Nm plus an additional 90° (1/4 turn)
• Replace
11 Hub
• For intermediate sprocket
• Replace
12 90 Nm plus an additional 90° (1/4 turn)
• Replace
13 Axial Bearing Disc
• For intermediate sprocket
• Replace
• Note installation position. Refer to --> [ Axial Bearing Disc Installation Position ]
14 Intermediate Sprocket
• Replace
• To achieve the correct backlash, a coating is applied to the intermediate sprocket. The correct play is achieved as the coating wears away.
• With intermediate sprockets that only have a coating on parts of the circumference, a white dot is applied to ensure the correct installation position
• If there is no white dot, the entire circumference of the intermediate sprocket is coated
CAUTION!
When installing the intermediate sprocket, make sure the axial bearing disc is seated correctly --> [ Axial Bearing Disc Installation Position ]
• Installation position: The part number must be visible
• Removing and Installing, refer to --> [ Balance Shaft Module ] Balance Shaft Module.
15 Axial Bearing Disc
• For intermediate sprocket
• Replace
• Note installation position. Refer to --> [ Axial Bearing Disc Installation Position ]
• If necessary, secure on balance shaft housing with grease to install the intermediate sprocket
16 Crankshaft Spur Gear
• Removing and installing, refer to --> [ Spur Gear, Removing from Crankshaft and Installing ] Service and Repair.
17 Balance Shaft Module
• Removing and installing, refer to --> [ Balance Shaft Module ] Balance Shaft Module
• Before installing, check if both alignment sleeves for centering the balance shaft module on the cylinder block are present.
18 Bolt
• Replace
• Observe tightening sequence. Refer to --> [ Balance Shaft Module ] Balance Shaft Module.
Bolt M7:
• 13 Nm plus an additional 90° (1/4 turn)
• Bolt M8:
• 20 Nm plus an additional 90° (1/4 turn)
19 Oil Suction Pipe
20 10 Nm
21 40 Nm
22 45 Nm
23 15 Nm
• Fasten in diagonal sequence in steps
24 Seal
• Replace
25 Oil Drain Plug, 30 Nm
Oil Spray Jet and Pressure Relief Valve
1. Bolt with pressure relief valve, 27 Nm (insert without sealant)
2. Oil spray jet (for piston cooling)
Follow the Safety Precautions. Refer to --> [ If metal shavings or a large quantity of small metal particles are found when repairing an engine, this could indicate that the crankshaft and connecting rod bearings are damaged. To prevent further damage, perform the following steps after the repair: ] Service and Repair.
Axial Bearing Disc Installation Position
CAUTION!
When installing the intermediate sprocket, make sure the axial bearing disc - A - does not slip out of the indentations on the balance shaft housing - arrows - and become stuck. Secure it on the balance shaft housing with grease if necessary.