BMW 7 Series: Replacing Suction Line For Power Steering (From Fluid Reservoir To
Connecting Piece)
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.
Recycling
Catch and dispose of hydraulic fluid in a suitable expansion tank.
Necessary preliminary work
- Draw off and dispose of hydraulic fluid from oil reservoir
- Remove OIL RESERVOIR from body
- Remove raw-air supply duct on left.
Unfasten hose clamp (1).
Disconnect intake pipe (2) from oil reservoir.
Installation note:
Marks on oil reservoir and intake pipe must match up.
Replace hose clamp.
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Fig. 178: Identifying Oil Reservoir Intake Pipe With Hose Clamp
Unfasten hose clamp (1).
Remove intake pipe (2).
Installation note:
Replace hose clamp.
Make sure intake pipe is laid without tension and with sufficient distance to
adjoining components.
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Fig. 179: Identifying Intake Pipe With Hose Clamp
After installation
- Fill and bleed hydraulic system.
- Check line connections for leak tightness.
READ NEXT:
ADJUSTMENT/INITIAL OPERATION FOR ACTIVE FRONT STEERING
NOTE: Adjustment/start-up of the active steering must be carried out:
Before adjustment work on the front axle/steering
After work on the stee
SEE MORE:
Necessary preliminary tasks
Check wheel bearings
Lift vehicle.
Check wheel with special tool 36 1 030 (measuring fixture) for lateral runout.
Fig. 1: Checking Wheel Lateral Runout Using Special Tool (36 1 030)
Check wheel with special tool 36 1 030 (measuring fixture) for radial runout.
Fig. 2
WARNING: Risk of injury!
Drain the air spring system before carrying out any work on the air supply
unit, air pipes and air springs! Danger of injury if this instruction is not
complied with!
Risk of damage!
Extreme cleanliness must be ensured in the connection area of the pipes during
removal and