BMW 7 Series: Transmission Case, Oil Sump
REMOVING AND INSTALLING/SEALING OR REPLACING TRANSMISSION SUMP (GA6HP26Z)
IMPORTANT: Remove transmission sump only after it has cooled down.
After completion of work, check TRANSMISSION OIL LEVEL.
Use only the approved TRANSMISSION FLUID.
Failure to comply with this requirement will result in serious damage to the automatic transmission!
Necessary preliminary tasks
- Remove rear UNDERBODY PROTECTION with side guides
Remove oil drain plug (1).
Tightening torque 24 11 2AZ.
Drain automatic transmission fluid.
Installation
Replace oil drain plug.
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Fig. 29: Identifying Oil Drain Plug
Recycling
Catch and dispose of escaping transmission fluid.
Observe country-specific waste-disposal regulations.
Unscrew all bolts.
Remove transmission sump (1).
Installation: Insert screws (2) until screw heads make contact.
Insert all further screws in diagonal sequence from inside to outside until screw heads make contact.
Tightening torque 24 11 1AZ.
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Fig. 30: Locating Transmission Oil Sump And Screw Head Screw
Remove gasket (1) from transmission sump.
Clean transmission oil sump to remove residual oil.
Clean sealing faces and groove with a cloth.
Insert new gasket in transmission sump groove.
IMPORTANT: Do not degrease transmission sump with cleaning agent.
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Fig. 31: Identifying Gasket Of Transmission Sump
Replace sealing ring (1) on oil filter tube.
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Fig. 32: Identifying Sealing Ring On Oil Filter Tube
Installation
The gasket is correctly installed when it is engaged in the locating opening of the transmission sump.
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Fig. 33: Identifying Gasket Of Transmission Sump
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Torque Converter Bearing, Seal
REPLACING TORQUE CONVERTER SHAFT SEAL (GA6HP26Z)
Necessary preliminary tasks
Remove AUTOMATIC TRANSMISSION
IMPORTANT: After completion of work, check TRANSMISSION OIL LEVEL.
Use only approved TRAN
Extension Housing, Bearings, Seal
REPLACING OUTPUT FLANGE SHAFT SEAL (GA6HP26Z/GA6HP32)
Notes
IMPORTANT: After completion of work, check TRANSMISSION OIL LEVEL.
Use only the approved TRANSMISSION FLUID.
Failure to comply with this r
Mechanical Attachments
REPLACING SELECTOR SHAFT SEAL (GA6HP26Z)
Notes
IMPORTANT: After completion of work, check TRANSMISSION OIL LEVEL.
Use only the approved TRANSMISSION FLUID.
Failure to comply with this requirement wi
SEE MORE:
Conducting Leak Test On Fuel Tank And Tank Venting System
IMPORTANT: On vehicles with tank leak diagnosis modules (DMTL), do not
work with
external pressurization as the tank ventilation system will leak under this
condition.
On account of emerging fuel vapors, carry out all work in well ventilated rooms.
Or use a suitable extractor system.
Observe cou
Checking Cooling System For Watertightness (N54, N63)
Notes
WARNING: Risk of scalding!
Only perform this repair work after engine has cooled down.
Protective measures/rules of conduct
Wear safety goggles
Wear protective gloves
Observe national/country-specific regulations
IMPORTANT: Risk of skidding due to coolant on the floor.
Danger of injury!
