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

Special tools required: 

• 11 0 020
• 24 2 390

Necessary preliminary tasks:

• Remove ENGINE  together with front axle and gearbox
• Remove FRONT PROPELLER SHAFT
• Remove left and right output shaft: see LEFT OUTPUT SHAFT and RIGHT OUTPUT SHAFT .

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

Fig 1: Identifying Gearbox Retaining Bars And Nuts

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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.

Fig 2: Identifying Thermal Protection Coating And Lock

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Release screws (1).

Tightening torque 17 22 1AZ .

Disconnect hydraulic lines (2) to gearbox oil cooler.

Installation note: 

Replace sealing rings.

Fig 3: Identifying Hydraulic Lines And Screws

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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.

Fig 4: Identifying Plug And Sealing Sleeve

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Release screw (1) and remove crankshaft sensor.

Disengage cable from holder (2).

Detach connector (3) from oil pressure switch.

Fig 5: Identifying Oil Pressure Switch Connector, Holder And Crankshaft Sensor Screw

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Release screws.

Tightening torque 24 00 1AZ .

Fig 6: Locating Gearbox Mounting Screws

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

(Similar picture)

Fig 7: Identifying Rubber Plugs

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Release special tool and pull gearbox out rearwards.

Fig 8: Pulling Gearbox To Rearwards

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

Fig 9: Identifying Left And Right Engine Support Nut

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

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

Fig 10: Removing Engine From Front Axle Using Special Tool (11 0 020)

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Mount engine on assembly stand.

Assemble engine.