BMW 7 Series: Removing And Installing/Renewing Pressure Line For VA1 Swivel Motor
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 expansion tank.
Necessary preliminary work
- LOWER FRONT AXLE SUPPORT
IMPORTANT: Pressure line and connections must be closed off with suitable seal plugs 32 1 270 immediately after removal!
Release banjo bolt (1).
Tightening torque 37 13 5AZ.
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Fig. 65: Identifying Banjo Bolts
Release screws (1) from line clip on front axle support on left.
Tightening torque 37 13 7AZ.
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Fig. 66: Identifying Pressure Line Clips Mounting Screws
Unlock holder (1) on front axle support at front and detach hydraulic line.
Installation note:
Replace damaged holders.
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Fig. 67: Identifying Front Axle Support Holder
If necessary, release holders (1) and (2) of transmission fluid cooler lines in wheel arch on left.
Tightening torque 17 22 3AZ.
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Fig. 68: Identifying Transmission Fluid Cooler Lines Holder
Release screw (1).
Remove pressure line.
Tightening torque 37 13 4AZ.
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Fig. 69: Identifying Pressure Line Mounting Screws
IMPORTANT: When assembling, make sure that in succession only the seal 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 tightness
- Carry out INITIAL DYNAMIC DRIVE OPERATION
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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
Removing And Installing/Replacing Pressure Line For Valve Block
VA1
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/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
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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 dirt to
enter the hydraulic
system.
Close off line connections with seal plugs.
Recycling
Catch and
