37 20 001 Removing And Installing/Replacing DYNAMIC DRIVE Valve Block
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW 760i, 2006 BMW 760Li, 2005 BMW 760i, 2005 BMW 760Li, and 2004 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system. Seal off pipe connections with plugs.
NOTE:
In a warranty case you must always provide a fault memory printout, even where there is no fault memory entry, with the defective part.
Necessary Preliminary Tasks:
- Draw off and dispose off hydraulic fluid from fluid reservoir.
- Remove bottom right wheel arch trim. Refer to 51 71... REMOVING AND INSTALLING/REPLACING FRONT BOTTOM RIGHT WHEEL ARCH TRIM .
- Partially remove right underbody panelling. Refer to 51 47... REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT UNDERBODY PANELING .
Release nuts (1, 2) (pressure lines to rear axle oscillating motor).
Tightening torque, (35 N.m.).
Release nut (3) (return line).
Tightening torque, (40 N.m.).
Release nut (4) (pressure line).
Tightening torque, (35 N.m.).
Release nuts (5, 6) (pressure lines to front axle oscillating motor).
Tightening torque, (35 N.m.).
Installation:
Make sure hydraulic lines are laid without tension and with sufficient spacing to adjoining components.
Disconnect plug connections (1, 2).
Remove grounding strap (3) from valve block.
Release screws (4).
Tightening torque, ( 8 N.m.).
Raise valve block and remove towards front.
Disconnect all plug connections (1) on valve block.
Unclip wiring set from valve block.
After Installation:
- Fill and bleed hydraulic system. Refer to 32 13 006 BLEEDING POWER STEERING UNIT .
- Check pipe connections for leaks.
- If necessary, carry out initial Dynamic Drive operation. Refer to 37 10 001 INITIAL OPERATION WITH TEST RUN OF DYNAMIC DRIVE .