BMW 7 Series: Removing And Installing Hydraulic Steering Gear
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.
Close off line connections with seal plugs.
Necessary preliminary work
- Draw off and dispose of hydraulic fluid from oil reservoir
- Remove FRONT UNDERBODY PROTECTION
- Remove COVER FOR STEERING ASSEMBLIES on left and right
- Remove front anti-roll bar
- Remove TRACK ROD END ON BOTH SIDES FROM SWIVEL BEARING
- Remove TRACK ROD END AT BOTH ENDS OF TRACK ROD
Release screw (1) from engine compartment.
Tightening torque 32 31 2AZ.
Installation note: Replace screw Detach steering shaft lower section.
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Fig. 51: Identifying Engine Compartment Screw
Release screw (1).
Tightening torque 32 41 5AZ.
Remove lines (2) from hydraulic steering gear.
Disconnect plug connection (3) and release cable strap.
Installation note: Replace sealing rings.
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Fig. 52: Identifying Hydraulic Steering Gear Screw, Plug Connection And Fluid
Lines
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Fig. 53: Identifying Marks On Steering Gear Box And Front Bolting Points
IMPORTANT: To avoid the need for axle/wheel alignment, mark position of steering box (1) to front axle support (2).
To do so, draw a wide white stripe on the front bolting points (left and right) and apply a thin black marking (3) to this stripe.
Release screws (1) and lay lines to one side.
Tightening torque 32 41 7AZ.
Unfasten screws (2).
Installation note: Replace bolts.
Tightening torque 32 00 1AZ.
Remove hydraulic steering gear in downward direction.
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Fig. 54: Identifying Hydraulic Steering Gear Screws
After Installation note
- Fill and bleed hydraulic system
- Check line connections for leak tightness
- If necessary, carry out INITIAL OPERATION FOR DYNAMIC DRIVE
REMOVING AND INSTALLING/REPLACING EH CONVERTER FOR SERVOTRONIC
IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Necessary preliminary tasks
- Remove REAR UNDERBODY PROTECTION
Disconnect plug connection (1).
Unfasten screws (2).
Remove EH converter.
Installation: Clean side return orifice with compressed air.
Align EH converter to opening in power steering gear, press by hand into power steering gear up to stop, insert screws (2) and tighten down.
Tightening torque 32 00 2AZ.
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Fig. 55: Identifying EH Converter Plug Connection And Screws
After installation
- Fill and bleed hydraulic system.
READ NEXT:
Replace Electrical Steering Box (EPS)
IMPORTANT: Steering box:
Check connection of steering box for corrosion, clean contacts if
necessary.
The steering box must be replaced if the corrosion is too far advanced.
Connecting line:
In the
Removing And Installing Electrical Steering Box Active Steering
IMPORTANT: Steering box:
Check connection of steering box for corrosion, clean contacts if necessary.
The steering box must be replaced if the corrosion is too far advanced.
Connecting line:
In the
Replacing Active Front Steering Hydraulic Steering Gear
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 d
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ADB Active Even When DSC is Off
The DSC function ADB has been around for a long while on a wide variety of
BMW vehicles and especially in
the form of the ADB-X version on the xDrive models.
If one of the wheels of a driven axle is spinning, it cannot transmit any
driving force (torque) to the roa
Checking Camshaft Timing On Left Side (N63)
Notes
IMPORTANT: The timing can only be checked with special tool 11 9 900.
The timing may be misinterpreted if it is checked without special tool 11 9 900.
Cylinders 5-8:
Necessary preliminary work
Remove left CYLINDER HEAD COVER
Remove FAN COWL with electric fan
Remove BELT PULLEY for air con
