BMW 7 Series: Replacing Pressure Line For Power Steering (From Steering Box To Junction)
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 collecting vessel.
Necessary preliminary work
- Draw off and dispose of hydraulic fluid from oil reservoir
- Release hydraulic steering gear
- Lower front axle support (F04 and all-wheel drive vehicles)
Release screw (1) and remove pressure line (2) from steering box.
Tightening torque 32 41 5AZ.
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Fig. 166: Identifying Steering Box Pressure Line With Screw
Remove return hose (1) from holder (2).
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Fig. 167: Identifying Steering Box Return Hose With Holder
Release screw (1).
Tightening torque 32 41 15AZ.
Release nut (2) on holder.
Tightening torque 32 41 7AZ.
Disconnect pressure line (3).
Installation note: Replace all sealing rings.
Make sure hydraulic line is laid without tension and with sufficient distance to adjoining components.
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Fig. 168: Identifying Pressure Line With Screw And Nut On Holder
After installation
- Fill and bleed HYDRAULIC SYSTEM
- Check line connections for leak tightness
REPLACING RADIATOR RETURN HOSE FOR HYDRAULIC STEERING (FROM COOLER TO OLBEHALTER_N63)
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 left intake port.
Release hose clamp (1) and detach radiator return hose (2) from oil reservoir.
Installation note: Replace hose clamp.
Make sure hydraulic line is laid without tension and with sufficient distance to adjoining components.
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Fig. 169: Identifying Radiator Return Hose With Clamp
Release QUICK-RELEASE COUPLING and seal power steering cooler connection with a suitable plug.
Installation note: Make sure hydraulic line is laid without tension and with sufficient distance to adjoining components.
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Fig. 170: Locating Quick-Release Coupling
After installation
- Fill and bleed hydraulic system.
- Check line connections for leak tightness
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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
Replacing Suction Line For Power Steering (From Connecting Piece To Vane
Pump)
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
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 d
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Service Information
Control Unit Replacement
Teaching in the Luggage Compartment Lid End Stops
If the luggage compartment lid lift control unit has been replaced, a new
teach-in procedure will be necessary
for the upper end stop. To do this, the luggage compartment lid has to be moved
until obstructed by the upper
st
Butt Connector For Repairing A Plug Connection
Notes
IMPORTANT:
1. Identify cause of damage (e.g. sharp-edged body parts, faulty
electrical
loads, jammed mechanisms, corrosion caused by ingress of water, etc.).
2. Read out fault memory.
3. Eliminate cause of damage.
4. Disconnect battery negative terminal.
5. Make sure that no safety-related
