BMW 7 Series: Hydr/El Control Components/Elements
REPLACING OIL ACCUMULATOR (GA8HP45Z)
- Do not let skin come in contact with transmission oil and do not inhale fuel vapors.
- Wear protective gloves.
- Ensure adequate ventilation.
IMPORTANT: Applies to vehicles from 08/2011
Remove transmission oil sump only after it has cooled down.
After completion of repair work, check TRANSMISSION OIL LEVEL.
Use only the approved TRANSMISSION OIL.
To set the correct level, it is mandatory that the service function "Transmission control unit: oil adjustment" is performed using the diagnosis system.
Failure to comply with this requirement will result in serious damage to the automatic transmission!
Installation note: The transmission oil sump must be renewed every time it is removed.
Necessary preliminary tasks:
- Remove transmission oil sump.
- Remove retaining plates.
Recycling:
Catch and dispose of escaping transmission oil.
Observe country-specific waste disposal regulations.
Release screws (1) (M6x20).
Release screw (2) (M6x59).
Tightening torque 24 30 5AZ.
Carefully unlock cable connector (3) with screwdriver.
Carefully pull out oil accumulator.
IMPORTANT: Mounting bolts of oil accumulator must be replaced after removal.
.png)
Fig. 47: Identifying Connector And Screws
REPLACING OIL RESERVOIR (GA8HP70Z)
- Do not let skin come in contact with transmission oil and do not inhale fuel vapors.
- Wear protective gloves.
- Ensure adequate ventilation.
IMPORTANT: Applies to vehicles from 08/2011
After completion of repair work, 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!
Necessary preliminary tasks:
- Remove transmission oil sump.
Release screws (1) (M6x20).
Release screw (2) (M6x59).
Tightening torque 24 30 5AZ.
Carefully unlock cable connector (3) with screwdriver.
Carefully pull out oil accumulator.
IMPORTANT: Mounting bolts of oil accumulator must be replaced after removal.
.png)
Fig. 48: Identifying Connector And Screws
READ NEXT:
Oil Pump
REPLACING O-RING ON OIL PUMP (GA6HP19/GA6HP26Z
Notes
IMPORTANT: After completion of work, check TRANSMISSION OIL LEVEL.
Use only approved TRANSMISSION OIL.
Failure to comply with this instruction wi
Controller
MANUAL EMERGENCY RELEASE OF TRANSMISSION LOCK
Manual emergency release of transmission lock from inside vehicle is not
possible with GA6HP/GA8HP gearboxes from
03/2010
From production date 04/2010
SEE MORE:
Service Information
Wiper/washer System Emergency Operating Functions
Emergency Operation in the Event of the Steering Column Switch Cluster
Failing
The wipers can no longer be operated in the event of the steering column
switch cluster failing or a break in the
bus connection.
The junction box electronics switch to
General Information And Definitions
Toe angle difference
a - Toe difference angle
D - Centre point of operating circle
The toe angle difference is the angle adjustment of the inner cornering wheel
relative to the outer cornering
wheel when negotiating a curve. Steering is designed in such a way that angular
position of wheels change
