Operation CHARM: Car repair manuals for everyone.

Oil Pump: Service and Repair






Oil Pump, Assembly Overview





1 Input shaft

For oil pump drive

2 Oil pump housing

3 23 Nm

4 Gears

Checking backlash --> [ Checking Oil Pump Backlash ]

Checking axial play --> [ Checking Oil Pump Axial Clearance ]

5 Oil pump cover with pressure relief valve

Opening pressure 5.3 to 5.7 bar pressure

Clean strainer if soiled

6 8 Nm

Replace

7 Oil pressure line

To remove and install the oil pressure line, the oil pump must be removed

Fasten with new "microencapsulated" bolts.

To install, first tighten all bolts by hand. Tighten the oil pressure pipe at the cylinder block and then at the oil pump --> [ (Item 6) 8 Nm ]. Tighten the oil pump bolts last --> [ (Item 3) 23 Nm ].

8 8 Nm

9 Seal

Replace if damaged

Checking Oil Pump Backlash





Special tools, testers and auxiliary items required

Feeler gauge

Wear limit: 0.20 mm

Checking Oil Pump Axial Clearance





Special tools, testers and auxiliary items required

Straight edge

Feeler gauge

Wear limit: 0.10 mm