Oil Pump: Service and Repair

Oil Pump/Oil Pan Overview






1 Bolt

• 15 Nm

2 Sealing Flange

• With the seal.

• Must be located on the alignment sleeves.

• Removing and installing, refer to => [ Sealing Flange, Belt Pulley Side ] Service and Repair.

• Install using silicone sealant (D 176 404 A2).

• Do not lubricate or grease the sealing lip on the seal.

• Wipe off any oil on the crankshaft journal with a clean cloth before installing.

3 Chain Tensioner with Tensioning Rail

• 15 Nm

• When installing, pretension the spring and hook in.

4 Oil Dipstick

• The oil level must not be above the Max. mark!

• Marks, refer to => [ Engine Oil Level, Checking ] Testing and Inspection.

5 Guide Tube, Upper

6 Guide Tube, Lower

7 Alignment Sleeve

8 O-ring

• Always replace.

9 Bolt

• 15 Nm

10 Suction Pipe

• Clean the screen if it is dirty.

11 Windage Tray

12 Bolt

• 15 Nm

13 Bolt

• 15 Nm

14 Oil Pan

• Removing and installing, refer to => [ Oil Pan ] Oil Pan.

• Clean the sealing surface before installing.

• Install using silicone sealant (D 176 404 A2).

15 Oil Drain Plug

• 30 Nm

• Always replace.

16 Bolt

• 10 Nm

17 Oil Level Thermal Sensor (G266)

• Black, 3 pin connector.

• Checking, refer to the vehicle diagnostic tester.

18 Seal

• Always replace.

19 Oil Pump

• With a pressure relief valve: 12 bar.

• Before installing, check to be sure both alignment sleeves are present (for the centering oil pump/cylinder block)

• Replace if running the surfaces and gears are scored.

20 Oil Pump Chain Sprocket

21 Bracket

• For the wiring harness for the oil level thermal sensor.

22 Bolt

• 20 Nm + an additional 90° (1/4) turn.

23 Chain

24 Bolt

• 25 Nm

• Install without sealant

25 Oil Spray Jet

• For piston cooling.