BMW 7 Series: Removing And Installing/Replacing Return Line For Power Steering With ARS (N63)
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).
Seal off line connections with plugs 32 1 270.
Recycling
Catch and dispose of hydraulic fluid in a suitable container.
Necessary preliminary tasks
- Lower FRONT AXLE SUPPORT
IMPORTANT: Pressure line and connection on valve block must be fitted with suitable sealing plugs 32 1 270 immediately after removal!
Release screw (1).
Tightening torque 37 13 8AZ.
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Fig. 89: Identifying Power Steering With ARS Return Line Mounting Screws
Release holder (1).
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Fig. 90: Identifying Power Steering With ARS Return Line Holder
Release screws (1) for hydraulic line on steering gear.
Tightening torque 32 41 5AZ.
Remove hydraulic line.
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Fig. 91: Identifying Hydraulic Line Mounting Screws
Unlock return line on cooling loop and disconnect.
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Fig. 92: Identifying Return Line On Cooling Loop
IMPORTANT: When assembling, make sure that in succession only the sealing plugs of the line to be fitted are removed.
When fitting lines, do not tilt connectors (sealing rings!) and connect fully before screwing.
Do not replace sealing rings on hydraulic lines.
Replace affected line if sealing ring is damaged.
After installation
- Fill and bleed HYDRAULIC SYSTEM
- Check line connections for leaks
- Carry out INITIAL DYNAMIC DRIVE OPERATION
REMOVING AND INSTALLING/REPLACING UNDERFLOOR PRESSURE LINES FOR OSCILLATING MOTOR (HA1/HA2)
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).
Close off pipe connections with plugs. 32 1 270
Recycling
Catch and dispose of hydraulic fluid in a suitable container.
Necessary preliminary tasks
- Remove RIGHT UNDERBODY PANELLING
IMPORTANT: Pressure lines and connections on valve block must be fitted with suitable sealing plugs immediately after removal! 32 1 270
Release screws (1) for hydraulic lines on valve block.
Tightening torque 37 13 3AZ.
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Fig. 93: Identifying Valve Block Hydraulic Line Mounting Screws
IMPORTANT: Note installation position of spacers (1) and (2).
Failure to do so may result in noises/rattling!
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Fig. 94: Identifying Valve Block Hydraulic Line Spacer
Open holder (1) and remove pressure lines.
Installation: If necessary, replace damaged holders.
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Fig. 95: Identifying Oscillator Motor Underfloor Pressure Line Holder
Up to build date 08/09: Release banjo bolts (1).
Tightening torque 37 13 5AZ.
Hydraulic lines must be provided with suitable sealing plugs 32 1 270 immediately after removal!
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Fig. 96: Identifying Oscillator Motor Underfloor Hydraulic Line Banjo Bolts
Build date from 08/09:
Release screw connections (1) and (2).
Tightening torque 37 13 12AZ.
Hydraulic lines must be provided with suitable sealing plugs 32 1 270 immediately after removal!
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Fig. 97: Identifying Oscillator Motor Underfloor Pressure Line Screw
Connections
IMPORTANT: When assembling, make sure that in succession only the sealing plugs of the line to be fitted are removed.
When fitting lines, do not tilt connectors (sealing rings!) and connect fully before screwing.
Do not replace sealing rings on hydraulic lines.
Replace affected line if sealing ring is damaged.
After installation
- Fill and bleed HYDRAULIC SYSTEM
- Check line connections for leaks
- Carry out INITIAL DYNAMIC DRIVE OPERATION
READ NEXT:
Removing And Refitting/Replacing Pressure Line On Swivel Motor
VA2
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
Replacing Expansion Hose Part 1 (With ARS) (From Vane Pump) N63
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
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
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Light in the exterior mirror
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The dimmed light in the exterior mirror indicates
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Acute warning
When the turn signal is switched on while a vehicle
is in the critical zone, the steering wheel vibrates
briefly and the lig
Stripping Operations - Replacing Front Left Wheel Arch
NOTE: Owing to the different engine variants and equipment specifications,
not all the
components are taken into consideration.
The following list basically represents the removal sequence.
Disconnect battery earth lead (job number: 61 20 900)
Remove bumper trim (job number: 51 11 156
Remove bu
