24 00 034 Removing and installing automatic transmission (GA8HP70Z) N63 (X6 xDrive 50i)
Special tools required:
- 00 2 030
- 11 6 480
- 11 8 910
- 23 4 050
- 24 2 390
- 24 4 160
- 24 4 161
- 24 4 164
- 24 1 380
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.
- Do not let skin come in contact with transmission oil and do not inhale transmission oil vapors.
- Wear protective gloves.
- Ensure adequate ventilation.
Use only the approved transmission oil, refer to "Fluid Capacities" tab for the selected vehicle.
Failure to comply with this requirement will result in serious damage to the automatic transmission!
Necessary preliminary tasks:
- Clamp off battery. Refer to NOTES ON AGM BATTERY REP-ALG-RAF0161-6120AGM - V.20 (X6 XDRIVE 35I, X6 SDRIVE 35I, X6 XDRIVE 50I) .
- Remove FAN COWL .
- Remove rear UNDERBODY PROTECTION .
- Remove complete EXHAUST SYSTEM .
- Remove CROSS MEMBER .
- Remove heat shields.
- Remove front PROPELLER SHAFT .
- Disconnect PROPELLER SHAFT at transfer box, release center mount.
- Tie up the propeller shaft to the vehicle underbody.
- Bending the propeller shaft by an excessive angle can cause premature damage to the joint/propeller shaft!
- Support engine with lifter when removing transmission.
- Unlock connector (1) by turning and disconnect
- Release cable from brackets
- Insert special tool 24 2 390 in sealing cup.
These tasks are described in NOTES ON MECHATRONICS .
(Important: Observe important note)
Release screw (1).
Disconnect hydraulic lines (2) to transmission oil cooler.
Installation note:
Replace sealing rings.
Crank engine at vibration damper in direction of rotation until screw (1) is visible in recess.
Undo all 6 bolts on torque converter.
Installation note:
Replace screws for torque converter. Remove any remaining adhesive residue from the thread.
Tightening torque 24 40 1AZ .
Press special tool 24 1 380 together and insert into recess in transmission housing.
Supporting transmission:
Support transmission with special tools 23 4 050 , 00 2 030 .
Secure transmission to mounting with tensioning strap (1).
Repair work is described in GEARBOX HOLDER .
After completion of work, check transmission fluid level.
Disconnect connector (3) from transfer box control unit (longitudinal torque module).
Release screw (2).
Remove earth strap (1).
Release bolts and remove transmission.
Tightening torque 24 00 1AZ .
Installation note:
Screws have different lengths.
Note installation position.
Installation note:
Bore hole (1) of driving plate must be accessible from recess on engine oil sump.
Check that fitting sleeves (2) are correctly fitted.
Replace damaged fitting sleeves.
Installation note:
Rotate torque converter until bore hole in torque converter is flush with bore hole in drive plate.
Flange automatic transmission to engine.