Oil Pump, Removing and Installing

Oil pump, removing and installing
Special tools and equipment





^ T10055 extractor





^ T40026 locking pin
^ Drill bit 3 mm diameter
^ Sealants
Refer to Parts Supplier
^ Locking fluid
Refer to Parts Supplier

Removing
^ Remove oil pan (lower part), Refer to Oil Pan, Service and Repair.
^ Turn crankshaft via central bolt of toothed belt gear in direction of engine rotation to TDC Cyl. 3 marking.





^ Notch -1- lines up with marking -2
^ If installed, disconnect electrical harness connector at after-run coolant pump.
^ Unscrew sealing plug of TDC mark at cylinder block.





^ Thread T40026 locking pin into the hole of the removed sealing plug and tighten.

Note: Slightly turn crankshaft back and forth to do so.





^ Unscrew bolts -3- and -6- and remove oil pipes.

Note: Oil escapes from oil tubes when removing.

^ Unscrew bolts -1-, -2-, -4- and -5- and remove front baffle plate.





^ Remove bolt -4- and remove gear -3- for differential gear shaft drive.
^ Remove diamond disc from toothed gear.
^ Remove bolts -1- and -2- and nuts -5- and -6-.





^ Install T10055 extractor into M8 holes alternating (arrows) at oil pan and pull oil pump off of cylinder block.

Installing
Installation is reverse of removal:

Note: Always replace seals and gaskets.





^ Clean threads of studs 3 of remaining locking fluid.
^ Replace O-ring (arrow 1).
^ Coat circumference of hole (arrow 2) with sealant.





^ Replace bolts -1- and -2- and nuts -5- and -6- for oil pump threaded connection.
^ Insert nuts -5- and -6- with locking fluid.
^ Bolt in oil pump uniformly at all mounting points, so that the shear pin does not cant.
^ Tighten threaded connection to final torque.
^ Replace diamond disc on toothed gear -3- for differential gear shaft drive.
^ Insert collar of toothed gear for differential gear shaft drive through the chain sprocket onto the oil pump shaft.
^ Loosely thread in bolt -4-.





Note: To install toothed gear, press piston of chain tensioner back using a screwdriver (arrow).





^ Turn differential shaft 2, until a pin diameter 5 mm -Item 3- (e.g. drill bit) can be slid into the alignment hole.
^ Tighten bolt-1-.
^ Remove pin (drill bit) from alignment hole.
^ Remove T10026 alignment bolt and thread sealing plug of TDC marking with new O-ring into cylinder block.





^ Install front baffle plate -bolts -1-, -2-, -4- and -5-.
^ Install oil tubes -bolts -3- and -6-.
^ Oil pan (lower part), Refer to Oil Pan, Service and Repair.





Tightening torques
1) 120° corresponds to one third-turn
2) Insert nuts with locking fluid; locking fluid - Parts Supplier
3) Replace bolts.
4) 90° corresponds to one quarter-turn