11 00 598 Removing and installing engine on front axle (N63O1) with GA8HP70Z transmission

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Special tools required:

Necessary preliminary tasks:

Remove front axle with engine and transmission.

Screw fixtures (20) onto table lift at a suitable location.

Move screw adapter (30) with plate (80) up against the transmission oil sump (1).

Fig 1: Identifying Fixtures, Screw Adapters, Plates, And Oil Sump

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With Dynamic Drive only

Release holder (1).

Fig 2: Identifying Holder

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With Dynamic Drive only

Release holder (1) on power steering pump.

Tightening torque 32 41 14AZ .

Fig 3: Identifying Holder On Power Steering Pump

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With Dynamic Drive only

Release screws (3).

Tightening torque 32 41 13AZ .

Release screw (4).

Tightening torque 32 41 10AZ .

Installation note:

Align intake pipe by way of marking to power steering pump.

Make sure hydraulic lines are laid without tension and with sufficient distance to adjoining components.

Fig 4: Identifying Hydraulic Lines Screw

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Release screw (1).

Tightening torque 13 62 4AZ .

Remove crankshaft sensor.

Disengage cable from holder (2).

Fig 5: Identifying Holder And Screw

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Unlock and disconnect connector (1) by turning.
Do not touch pins.
Release cable from brackets.
Insert special tool 24 2 390 in sealing cup.

Operations are described in:

NOTES ON MECHATRONICS

IMPORTANT: Read and comply with important note.

Fig 6: Disconnecting Connector

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Release screw (1).

Undo hydraulic line and holder.

Fig 7: Identifying Hydraulic Line Screw

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Release screw (1).

Tightening torque 17 22 1AZ .

Disconnect hydraulic lines (2) to transmission oil cooler.

Release screw (1).

Loosen the hydraulic lines (2).

Installation note:

Replace sealing rings.

Note installation position.

Fig 8: Identifying Hydraulic Lines And Screw

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Recycling:

Catch and dispose of escaping oil with auxiliary materials.

Crank engine at vibration damper in direction of rotation until screw (1) is visible in recess.

Undo all 6 bolts on torque converter.

Tightening torque 24 40 1AZ .

Fig 9: Identifying Torque Converter Bolt

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Insert special tool 24 4 131 , 24 4 138 into recess in transmission housing.

Lock the torque converter by tightening the special tool.

Fig 10: Locking Torque Converter In Place Using Special Tools

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Release screws.

Tightening torque 24 00 1AZ .

Unflange transmission.

Fig 11: Identifying Transmission Screws

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Slightly raise engine with workshop crane and special tool 11 0 000 .

This simplifies removal and installation of transmission.

Fig 12: Lifting Engine With Workshop Crane And Special Tool (11 0 000)

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Disconnect transmission (2) from engine in the direction of arrow.

Fig 13: Disconnecting Transmission From Engine

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Unscrew nuts (1).

Raise engine.

Installation note:

Replace self-locking nuts.

Tightening torque 22 11 2AZ .

Fig 14: Identifying Nut

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Lift engine (1) with workshop crane (2) and special tool 11 0 020 from front axle.

Mount engine on assembly stand. See 11 00 MOUNTING ENGINE ON ASSEMBLY STAND (N63O1) .

Fig 15: Lifting Engine With Workshop Crane And Special Tool (11 0 020)

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