Install automatic transmission

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NOTE: RISK OF DAMAGE
Damage to the transmission.
Damage to the transmission due to unapproved transmission oil.

Use only the approved transmission oil.
Check the transmission oil level after completing the repair.

Checking installation position of torque converter

NOTE: RISK OF DAMAGE
Damage to the automatic transmission/impeller.
When disconnecting the engine and transmission, the torque converter can become loose! Failure to observe the correct installation positions of the torque converter may lead to damage to the impeller driver.

Make sure that the torque converter is in the correct installation position before installing the automatic transmission.

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Check the installation dimension between the contact surfaces (1) and the outer edge (2) of the threaded hole of the torque converter with the special tool 0 490 189 (00 2 550) .
See repair instructions
- REMOVING AND INSTALLING/REPLACING TORQUE CONVERTER (X4 XDRIVE30I) , or REMOVING AND INSTALLING/REPLACING TORQUE CONVERTER (X4 M40I 2019-2021)

Checking lining sleeves

Check the fitting sleeves (1) for correct seating and damage and replace if necessary.

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Flange-mount transmission

Position the prop shaft to the front when flange-mounting the transmission.
Replace the bolts (arrows).
Parts: Screws

TIGHTENING TORQUES SPECIFICATION

Prop shaft before the front axle differential
Replace screws. Joining torque and angle of rotation must be observed without fail.	Tightening torque	25 Nm
	Angle of rotation	45°

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Tighten screws (arrows).
Flange-mount the transmission on the transfer box (VTG).
Turn the torque converter until the bore of the torque converter is aligned with the bore of the drive plate.
Position the transmission bolts (arrows) and tighten, hand-tight.

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Lock the connector with the sealing sleeve

Remove the special tool 0 494 213 (24 2 390) in arrow direction from the sealing sleeve.

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NOTE: TECHNICAL INFORMATION
Notes on mechatronics are a fundamental requirement for these repair instructions and must be complied with at all times.

Slide the connector (1) on and turn it to lock.

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Notes on mechatronics

CAUTION: Materials harmful to health.
Contact with fluids harmful to health!

Note and follow safety instructions on containers.
Conduct all work in appropriate personal protective equipment only.

NOTE: RISK OF DAMAGE
Damage to the automatic transmission after removal of the mechatronics.
Serious damage to the automatic transmission due to non-compliance with the following tasks:

Load specific data status with the diagnostic system.
Use only approved transmission oil.
After completion of repair work, check the transmission oil level.

NOTE: RISK OF DAMAGE
Electrostatic discharge.
Damage to or destruction of electrical components.

Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
Read and comply with user information on using the associated special tool 12 7 060.
Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
For additional information see: NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

Remove the special tool from the torque converter

Release screw (1) and screw (2).
Remove the special tool 0 494 451 (24 4 160) .

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Install the sealing cap (1).

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Tighten converter bolt

Replace screws (1).
Parts: Screws
Turn the engine in the direction of rotation using special tool 0 493 380 (11 6 480) on the vibration damper to tighten all 6 screws (1).
Tighten all 6 screws (1) of the torque converter using special tool 0 491 667 (24 1 110) .

TIGHTENING TORQUES SPECIFICATION

Torque converter to flywheel
M10 Replace screws.	tightening torque	56 Nm

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Install acoustic cover

Install the acoustic cover (2).
Install the expanding rivet (1).

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Connecting the connector with the VTG control unit

Connect the connector (1) to the VTG control unit for the longitudinal torque distribution (2).

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Install the ground strap

Install the ground strap (2).
Tighten down screw (1).

TIGHTENING TORQUES SPECIFICATION

Ground strap on transmission/body
M8	Tightening torque	19 Nm

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Tighten transmission screws

Tighten the transmission bolts in sequence (1) to (9).

TIGHTENING TORQUES SPECIFICATION

Transmission to engine
M8	Tightening torque	19 Nm
M12	Tightening torque	66 Nm

Fig 1: Transfer Box Screws Tightening Sequence

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If installed: Screwing down transmission support bracket

Tighten the screws (1) on the transmission bearing support (2).

TIGHTENING TORQUES SPECIFICATION

Transmission bearing support to body
M8	Tightening torque	19 Nm

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Installing transmission cross member.

Install transmission cross-member.
Tighten down screw (1).

TIGHTENING TORQUES SPECIFICATION

Transmission cross member to rubber mounts
M12	tightening torque	68 Nm

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Tighten down screws (2).

TIGHTENING TORQUES SPECIFICATION

Transmission cross member to body
M8	tightening torque	19 Nm

Remove the transmission jack.

Remove the transmission jack

Release the luggage strap (1) from the transmission.
Remove the special tools 0 495 498 (23 4 050) and 2 219 012 from the transmission.

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Follow-up work

Refer to FASTENING THE PROP SHAFT (PARTIALLY REMOVED) .
Refer to INSTALLING THE RETAINING PLATES .
Refer to INSTALLING THE HEAT SHIELDS .
Refer to INSTALLING STARTER MOTOR .
Refer to INSTALLING EXHAUST SYSTEM .
Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
Refer to INSTALLING TANK COVER ON LEFT AND RIGHT .
Refer to ACTIVATING ELECTRICAL SYSTEM .
Refer to CHECKING/TOPPING UP THE OIL LEVEL IN THE AUTOMATIC TRANSMISSION .
Refer to IF INSTALLED: INSTALLING THE UNDERBODY PLANKING OF THE TRANSMISSION ON THE SIDE .
Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
Refer to INSTALLING THE FRONT UNDERBODY PROTECTION .
Refer to INSTALLING RESONATOR .