Oil Pump: Service and Repair

Oil pump, removing
Removing





^ Remove noise insulation.
^ Remove dipstick.
^ Drain engine oil.





^ Disconnect connector -1- from oil level sensor.





^ Remove oil pan lower part -arrow-.





^ Remove oil grid -arrows-.
^ Loosen bolt for oil pump pulley.
^ Secure chain tensioner with spring pin -arrow-.
^ Remove oil pump pulley.





^ Remove oil pump and take out downward.

Installing
Install oil pump in reverse order of removal but note the following:
Sealing surface must be free of oil or sealing compound.





^ Clean sealing surfaces with electric drill and plastic brush insert.

CAUTION! Wear eye protection.

Note: Oil pan must be installed within 5 minutes of applying silicone sealer D 176 404 A2.





^ Cut off nozzle of tube at front marking (nozzle diameter approximately 3 mm or 5/16 inch).
Thickness of sealant bead: 2 to 3 mm (approximately 1/8 inch)

CAUTION! Part numbers are listed for reference only. Always check with your Parts department for the latest information.

Note: The bead of sealant must not be thicker than 3 mm (approximately 118 inch), as otherwise excess sea/ant will enter the oil pan and obstruct the strainer in the oil intake pipe.

^ Install oil pan immediately and tighten all bolts to initially 5 Nm (44 inch lbs.).
^ Tighten bolts in crosswise sequence - final torque: 15 Nm (11 ft. lbs.).
^ Replace seal on oil drain plug and tighten to 30 Nm (22 ft. lbs.).

Note: After installing the oil pan, wait for about 30 minutes for the sealant to cure before filling with engine oil.

^ Fill with engine oil.

Tightening torques
Chain Sprocket For Oil Pump 34 Nm (25 ft. lbs.)
Grid Section 9 Nm (80 inch lbs.)
Oil Pump 30 Nm (22 ft. lbs.)
Oil Pan 9 Nm (80 inch lbs.)
Oil Drain Plug 50 Nm (37 ft. lbs.)

^ Install lower oil pan.