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
READ NEXT:
Replacing Return Line For Hydraulic Steering (From Cooler To
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
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
SEE MORE:
Crimping Micro Power Quadlock Contacts (MPQ)
Notes
To crimp MPQ contacts, use hand pliers 61 4 321 (1) in conjunction with
crimping head 61 4 325 (2) from
crimping set 61 4 320.
NOTE: Hand pliers (1) open automatically as far as they will go when
handles are
pressed together.
Fig. 136: Identifying Hand Pliers With Crimping Head (61 4 325)
O
System Components
DSC Components
DSC Unit
The DSC unit on the F01/F02 essentially uses the same technology as on the
E70/E71.
Versions
The DSC unit comprises the DSC control unit and the hydraulic modulator. The
two are attached to one another
in such a way as to form a waterproof unit.
The repair kits available a
