Removing automatic transmission (all-wheel drive vehicle) (GA8HP75HZ)

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 engine block. 
Serious damage to the engine block and transmission due to damaged and corroded screws. 

• It is imperative that protruding threads of the transmission bolts are checked for corrosion and damage prior to removal.
• It is imperative that all rust is removed from corroded threads and that they are cleaned prior to removal.
• Replace rusted and damaged bolts.

NOTE: RISK OF DAMAGE 
Damage of components in the engine compartment. 
When removing the transmission, the tilting of the engine may cause damage to components in the engine compartment. 

• Before removing the transmission: Support the engine.
• Protect engine from tipping movements.
• Follow the specifications in the repair instructions.

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.

• Loosen screws (1).
• Remove holder (2).
• Loosen screws (3).
• Remove holder (4).

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• Unscrew the bolts (1) on the transmission bearing support (2).

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  WARNING: Potential equalization in high-voltage system.
  Mortal hazard if the potential equalization screw connection is not correct!
  • Observe the safety requirements for the potential equalization screw connection.
  • Clean contact faces and have then checked by a second person.

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  • Tighten the screws/nuts for potential equalization with torque; have a second person check the torque.
  • Correct execution of these tasks must be documented in the vehicle records by both persons.
• Unscrew the bolt (1) and disconnect the ground strap (2).
• Loosen screw (1).
• Guide out and remove holder (2).

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  NOTE: TECHNICAL INFORMATION 
  Observe the additional information for unlocking and disconnecting various plug connections in electrical and hybrid vehicles!
• Loosen screws (1).
• Feed the high-voltage connector (2) out and set it aside.

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• Lock the high-voltage connector (2) with special tool 5 A29 F40  .
• Lock the clamps (1).

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• Loosen screws (1).
• Guide out and remove holder (2).

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• Loosen screw (1).
• Feed out transmission oil lines (2) and put to one side.
• Catch and dispose of escaping transmission oil.

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• Loosen screw (1).
• Feed out transmission oil lines (2) and put to one side.
• Catch and dispose of escaping transmission oil.

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• Disconnect connector (1) from transfer box control unit (longitudinal torque distribution) (2).

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• Remove positive battery cable (2) from clamps (1).
• Put the positive battery cable (2) to one side.

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• Release nuts (1).

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• Loosen screws (1).

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• Detach connectors (1).
• Remove the exhaust bracket (2).

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• Loosen screw (1).
• Remove connector (2).

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• Detach connectors (1).
• Put the cable (2) to one side.

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• Detach connectors (1).

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• Turn the connector (1) in the arrow direction, unlock and remove.
• Be careful not to touch the pins.
• Loosen all cable clips.

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• Insert the special tool 0 494 213 (24 2 390)  into the sealing sleeve (1).

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• Remove remaining bolts (arrows).
• Pull the transmission with transfer box off the front prop shaft.
• Tie the front prop shaft to the underbody.

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