BMW 7 Series: Removing And Installing/Renewing Dynamic Drive In The Wheel Arch
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 line connections with seal plug. 32 1 270
Recycling
Catch and dispose of hydraulic fluid in a suitable expansion tank.
Necessary preliminary work
- Remove front right wheel arch cover
- Remove UNDERBODY PROTECTION
- Remove right STEERING ASSEMBLY COVER
- Release front right UNDERBODY PANELLING
IMPORTANT: Pressure lines must be closed off with suitable seal plugs 32 1 270 immediately after removal!
Release screw (1) for return line.
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Fig. 135: Identifying Return Line Screws
Installation note:
IMPORTANT: When tightening the screw connection (1), apply counter support with wrench (3) at the line (2)! Non-compliance will result in damage to the line (2)! Tightening torque 37 13 12AZ.
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Fig. 136: Supporting Return Line Using Wrench
Release line clips (1) and (2) from front axle support.
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Fig. 137: Identifying Clips On Front Axle Support
Release screw (1) in area of lower wishbone.
Tightening torque 37 13 8AZ.
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Fig. 138: Identifying Screw On Lower Wishbone
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 leak tightness
- Perform INITIAL OPERATION OF ARS
READ NEXT:
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
Removing And Installing/Replacing Dynamic Drive Return From Separation Point
To Cooling Loop
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
Removing And Installing/Replacing Belt Pulley On Vane Pump For
Power Steering
NOTE: Carry out preliminary work as described in REPLACING DRIVE BELT.
Slacken screws (1)
Relieve tension on DRIVE BELT and remove from belt pulley (2).
Unscrew bolts (1) and remove belt pulley (2).
SEE MORE:
Open-End Wrench
Minimum set: Mechanical tools Open-end wrench MW
Note: Open-end spanner SW50 with retaining clip For releasing and tightening
down the insert nuts for the
screw connection of the propeller shaft on the rear axle final drive.
Storage Location
A18
SI number
01 21 06 (300)
Fig. 32: Identifying Open-E
Checking Front And Rear Wheel For Lateral And Radial Runout
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
