24 00 037 Removing And Installing Automatic Transmission (GA8P70H) N55_Hybrid

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. 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.

WARNING: High-voltage system - danger to life!

WARNING: The following points must be strictly observed prior to starting work:

DE-ENERGIZE THE HIGH-VOLTAGE SYSTEM .
Observe SAFETY INFORMATION for handling with hybrid cars.

IMPORTANT:

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

IMPORTANT: After completing work:
Adjusting the rotor position sensor is required.
Check TRANSMISSION OIL LEVEL .
Use only the approved transmission oil .

Failure to comply with this requirement will result in serious damage to the automatic transmission!

NOTE: Observe notes on UNLOCKING AND DISCONNECTING different types of connectors in hybrid cars.

Necessary preliminary tasks:

Disconnect HIGH-VOLTAGE SYSTEM from power.
Clamp off BATTERY .
Remove FAN COWL .
Detach both charge air hoses on charge air cooler. See 11 61 365 REMOVING AND INSTALLING/REPLACING FRONT LEFT CHARGE AIR DUCT (N55 HYBRID) or 11 61 362 REMOVING AND INSTALLING/REPLACING RIGHT CHARGE-AIR DUCT (N55 HYBRID) .
Remove EXHAUST SYSTEM .
Release MONITORING SENSOR on catalytic converter.
Support engine with jack when removing gearbox.

Release cable (1) from holders.

Fig 1: Engine Cable

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Remove upper part of cable duct (1).

Fig 2: Cable Duct Upper Part

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Release all cables (1) from cable channel.

Fig 3: Engine Cables

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Release cable box (1) from bracket.

Set cable (2) and cable box (1) aside.

Remove INTAKE SILENCER HOUSING .

Fig 4: Intake Silencer Housing Cable Box

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Unclamp both transmission cooling lines (1) with special tool 13 3 010 .

Fig 5: Removing Transmission Cooling Lines

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IMPORTANT: The cooling lines (1) are located on the transmission under the splash board.

Fig 6: Cooling Lines

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Release hose clamp (1) of both cooling hoses.

Disconnect cooling hoses from lines.

Installation note:

Tie cooling hoses up to prevent them from being pinched between engine and transmission when installing the transmission.

Fig 7: Cooling Hoses Hose Clamp

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Release positive battery cable (1) from clamps.

Remove heat shields (2).

Fig 8: Positive Battery Cable And Heat Shields

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Release cover (1) from positive battery cable.

Fig 9: Removing Positive Battery Cable Cover

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Release nut (1) from positive battery cable (2).

Tightening torque 12 36 5AZ .

Release positive battery cable.

Fig 10: Positive Battery Cable And Nut

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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 sleeve.

Operations are described in:

NOTES ON MECHATRONICS .

IMPORTANT: Read and comply with important note.

Fig 11: Disconnecting Automatic Transmission Connector

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Disconnect connector (1).

Release cable (2) from clamp (3).

Fig 12: Automatic Transmission Connector Cable And Clamp

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Release screws (1) from high-voltage connector (2).

Disconnect connector (2).

Tightening torque 12 36 2AZ .

Fig 13: High-Voltage Connector And Screw

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Release clamp (1) from holder.

Unfasten screws (2).

Release guide (3) with high-voltage cable from transmission.

Fig 14: High-Voltage Cable, Guide And Clamp

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Disconnect signal connector (1).

Fig 15: Signal Connector

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Release screw (1).

Release cable (2).

Fig 16: Cable And Screw

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Remove cover (1).

Fig 17: Automatic Transmission Cover

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Unscrew nuts (1).

Tightening torque 18 20 1AZ .

Unfasten screws (2).

Tightening torque, 24 00 1AZ .

Remove exhaust bracket (3).

Fig 18: Exhaust Bracket Nut And Screw

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

Release all 6 nuts of electrical machine.

Tightening torque 24 40 2AZ .

Fig 19: Electrical Machine Nuts

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Release screw (1) on left and right of axle.

Remove cover plate (2).

Remove bolt (3) on left and right of axle.

Tightening torque 31 10 1AZ .

Fig 20: Axle Cover Plate, Screw And Bolt

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Screw on special tool 11 8 910 .

Fig 21: Special Tool (11 8 910)

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Adjust distance (1) between cross bar and facing using nuts (2).

Nuts (2) must be screwed down in opposite direction after distance has been adjusted.

IMPORTANT: Distance:

N55: 38.5 mm.

Fig 22: Cross Bar And Nuts Distance

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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).

Repair work is are described in GEARBOX HOLDER .

After completion of work, check transmission fluid level.

Fig 23: Supporting Transmission Using Special Tools

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Release screws (1).

Tightening torque: 22 32 3AZ .

Fig 24: Automatic Transmission Crossmember Screws

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Slacken nut (1).

Release grounding cable (2) from transmission mounting bracket.

Tightening torque: 24 11 7AZ .

Fig 25: Transmission Grounding Cable And Nut

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Slacken nut (1).

Release grounding cables (2) from body.

Tightening torque: 24 11 7AZ .

Fig 26: Grounding Cables And Nut

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Remove PROPELLER SHAFT .

Release screw (1).

Disconnect hydraulic lines (2) to transmission oil cooler.

Tightening torque: 17 22 1AZ .

Installation note:

Replace sealing rings.

Keep to installation sequence.

Fig 27: Transmission Oil Cooler Hydraulic Lines Screw

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Release screw (1).

Release hydraulic lines from holder (2).

Fig 28: Hydraulic Lines Holder And Screw

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Release screw (1).

Release wiring harness (2) from transmission.

Fig 29: Transmission Wiring Harness And Screw

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Release screws.

Installation note:

Observe screw fastening sequence without fail.

Tightening torque: 24 00 1AZ .

Fig 30: Transmission Housing Bolts Tightening/Loosening Sequence

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Installation note:

Tighten down screws/bolts to specified torque.

Special angle-of-rotation tool 00 9 120 with magnet 00 9 130

Attach to vehicle underbody and screw down in accordance with angle of rotation.

Tightening torque: 24 00 1AZ .

Fig 31: Attaching 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.

Fig 32: Driving Plate Bore Hole And Sleeves

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Installation note:

Rotate electrical machine until bore hole in electrical machine is flush with bore hole in drive plate.

Flange automatic transmission to engine.

After finishing work:

Bleed cooling circuit.

Connect BMW diagnosis system:

Service functions.
Power train.
Hybrid car.
Electrical machine electronics.
Motor position sensor adjustment.