24 00 033 Removing and installing automatic transmission (GA8HP45Z)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

IMPORTANT: To prevent heavy damage to the engine block, the protruding thread of the transmission bolts absolutely must be checked for damage and corrosion before removal .
If there are signs of corrosion, the rust must be removed and the threads must be cleaned before removal .
Replace rusted, damaged screws.

Failure to comply with this instruction will result in serious damage to the engine block and transmission.

IMPORTANT:

Do not let skin come in contact with transmission oil and do not inhale fuel vapors.
Wear protective gloves.
Ensure adequate ventilation.

IMPORTANT: After completion of repair work, check TRANSMISSION OIL LEVEL .
Use only the approved transmission oil. See AUTOMATIC TRANSMISSION -- OPERATING FLUIDS or DUAL-CLUTCH TRANSMISSION -- OPERATING FLUIDS .
Failure to comply with this requirement will result in serious damage to the automatic transmission!

IMPORTANT: For vehicles with N54/N55 engine up to production date 09/2012, aluminum bolts for the for the securing of the transmission are also installed.
As of production date 09/2012, only steel bolts are installed for the securing of the transmission.

NOTE: Aluminum screws/bolts must be replaced each time they are released .
Aluminum screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Aluminum screws/bolts are not magnetic .
Jointing torque and angle of rotation must be observed without fail (risk of damage) .
The aluminum bolts can be optionally replaced by steel bolts.

Necessary preliminary tasks:

Disconnect the battery . See 12 00... NOTES FOR DISCONNECTING AND CONNECTING BATTERY or 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD .
If necessary, remove fan cowl. See 17 11 035 REMOVING AND INSTALLING/RENEWING FAN COWL WITH ELECTRIC FAN (N63) , 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (N55) or 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (M57T2) .
Remove UNDERBODY PROTECTION .
Remove REINFORCEMENT PLATE .
Important installation notes are described in this job item
Remove EXHAUST SYSTEM .
Remove heat shields
Remove PROPELLER SHAFT FROM FRONT AXLE DIFFERENTIAL .
Detach PROPELLER SHAFT at transfer box, release center mount.
Note:
Bending the propeller shaft by an excessive angle can cause premature damage to the joint/propeller shaft!
Tie up the propeller shaft to the vehicle underbody.
Support engine with lifter when removing transmission.

Release screw (1).

Disconnect hydraulic lines (2) to transmission oil cooler.

Tightening torque: 17 22 3AZ .

Installation note:

Replace sealing rings.

Fig 1: Identifying Hydraulic Lines And Screw

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Vehicle with adaptive drive.

Remove heat shield (1).

Release screw (2).

Detach bracket (3) from front axle.

Fig 2: Identifying Heat Shield And Bracket

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Release screw (1).

Detach oil line (2) from front axle.

Fig 3: Identifying Oil Line And Screw

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Detach engine oil pipes (1) from holder (2).

Fig 4: Identifying Engine Oil Pipes And Holder

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Disconnect connector (1).

Unfasten screws (2).

Remove retaining plate (3).

Tightening torque: 24 00 1AZ .

Fig 5: Identifying Connector, Screws And Retaining Plate

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Release nuts (1) and (2).

Tightening torque: 18 20 1AZ .

Fig 6: Identifying Nuts

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Release aluminum screw (1) on right next to cable retaining plate with special tool 00 9 010.

Aluminum screws must be replaced.

Tightening torque: 24 00 2AZ

Fig 7: Identifying Aluminum Screw

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Prepare special tool (1) 24 4 161 (A) with shaped element (2) 24 4 166 as pictured.

Fig 8: Identifying Special Tool (24 4 161)

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Insert special tool 24 4 160 into recess of transmission housing and clamp gently with screw (1).

Raise by turning screw (2) and clamp down.

Then tighten down screw (1).

Fig 9: Inserting Special Tool 24 4 160 Into Transmission Housing

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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.

Tasks are described in Gearbox holder.

NOTES ON MECHATRONICS

IMPORTANT: Read and comply with important note.

Fig 10: Disconnecting Connector

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Supporting transmission:

Support transmission with special tools 23 4 050 , 00 2 030 .

Secure transmission to mounting with tensioning strap (1).

Tasks are described in TRANSMISSION BRACKET .

After completion of work, check transmission fluid level.

Fig 11: Securing Transmission To Mounting Tensioning Strap

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Release screw.

Tightening torque: 22 32 4AZ .

Release screw (1).

Tightening torque: 22 32 5AZ .

Remove cross member.

Fig 12: Locating Screw Of Cross Member

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

Release all 6 bolts of torque converter with special tool 24 1 110 .

Installation note:

Replace converter screws. Remove any remaining adhesive residue from the thread.

Tightening torque: 24 40 1AZ .

Fig 13: Identifying Screw Of Vibration Damper

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Release screws.

Installation note:

Observe screw fastening sequence without fail.

Tightening torque, steel screws 24 00 1AZ .

Aluminum screws must be replaced.

Tightening torque and angle of rotation

Aluminum screws 24 00 2AZ (7, 8, 9, 10, 11)

Fig 14: Transmission Housing Bolts Tightening/Loosening Sequence

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Installation note:

Tighten down screws/bolts to specified torque.

Attach special tool 00 9 120 for angle of rotation with magnet 00 9 130

Secure to vehicle underbody and screw down aluminum screws/bolts in accordance with angle of rotation.

Angle of rotation 24 00 2AZ .

Fig 15: Identifying Special Tool 00 9 120

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Installation note:

Bore hole (1) of drive plate must be accessible from recess on engine oil sump.

Check fitting sleeves (2...3) for correct seating.

Replace damaged fitting sleeves.

NOTE: Graphic representation similar.

Fig 16: Identifying Sleeves And Bore Hole

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Installation note:

Rotate torque converter until bore hole in torque converter is flush with bore hole in drive plate.

Flange automatic transmission to engine.