11 41 000 Removing and Installing/Replacing Oil Pump

11 41 000 Removing and installing/replacing oil pump (N52T)

Special tools required:





Necessary preliminary work:
^ Remove oil sump





Release screws (1).

Tightening torque 11 41 1AZ.

Installation note:
Replace aluminium screws.

Remove intake pipe (2) in direction of arrow.

Installation note:
Replace sealing ring.





Secure oil pump sprocket with 6.0 mm dia. steel pin (3) to oil pump.

Important!
Release central bolt (2) only together with 6.0 mm dia. steel pin (3).
Do not remove sprocket.

Release central bolt (2).

Tightening torque: 11 41 6AZ.





Unfasten screws (2).

Tightening torque: 11 41 5AZ.

Installation note:
Replace aluminium screws.





Remove screw plug (1) from crankcase at front.

Note:
Replace gasket.





Release screw (1) for oil pump triangular drive with special tool 11 8 640.

Note:
It is not necessary to remove the triangular drive.





Release oil pump screws (1).

Tightening torque: 11 41 2AZ.

Important!
Observe different screw lengths.

Installation note:
Replace aluminium screws.





Detach sprocket (1) in direction of arrow.

Note:
Chain tensioner presses timing chain (3) upwards.

Do not remove sprocket (1).

Remove oil pump (2) in direction of arrow.





Installation note:
Check spacers (1) for secure seating and damage; replace if necessary.

Align mounting flats (3) on oil pump (2) to sprocket (4).

Install oil pump (2).





Assemble engine.

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