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:
Replacing Both Timing Chains (N63)
Notes
WARNING: Burning hazard! Wear gloves.
Necessary preliminary work
Remove lower TIMING CASE COVER
To facilitate removal and installation of timing chains, turn engine
over with special tool 00 2 300.
Timing drive, cylinders 1 to 4
Remove guide rail (5) from bearing bolt.
Remove timing cha
Removing And Installing/Renewing Pressure Lines For Valve Block
(Short)
Notes
WARNING: DANGER OF POISONING if oil is ingested/absorbed through the
skin!
RISK OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to
enter the hydraulic
system.
Do not draw off hydraulic fluid (risk of contamination).
