Removing and Installing Engine

11 00 050 Removing and installing engine on front axle support (N63 hybrid)

Special tools required:





Necessary preliminary work:
^ Remove engine together with front axle and gearbox
^ Remove front propeller shaft
^ Remove left and right output shaft:





Release nuts (1) and place retaining bars (2, 3) on gearbox.





Open thermal protection coating (1).

Push lock (2) up to stop.

Disconnect connector and release high-voltage cable from holder.

Installation note:
Lock (2) must snap audibly into place.

Perform pull-off test to check whether plug connection is locked.





Release screws (1).

Tightening torque 17 22 1AZ.

Disconnect hydraulic lines (2) to gearbox oil cooler.

Installation note:
Replace sealing rings.

Disconnect plug (1).

Insert special tool 24 2 390 in sealing sleeve (1).





Disconnect plug (2).

Seal sealing sleeve (2) with suitable means (e.g. adhesive tape) to prevent dirt contamination.

Release cable from holders.





Release screw (1) and remove crankshaft sensor.

Disengage cable from holder (2).

Detach connector (3) from oil pressure switch.





Release screws.

Tightening torque 24 00 1AZ.





When unflanging the gearbox, pay attention to installation position of rubber plugs (1).

(Similar picture)





Release special tool and pull gearbox out rearwards.





Release screws (1) on engine mount on left and right. Tightening torque 22 11 2AZ.





Important!
Before lifting the engine, the lifting lugs must be checked for damage (cracks) and to ensure they are seated securely.





Suspend special tool from lifting eyes (1) at front and rear.

Lever engine out from front axle with special tool 11 0 020.

Mount engine on assembly stand.





Assemble engine.

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