37 20 001 Removing and installing/replacing DYNAMIC DRIVE valve block
Seal off pipe connections with plugs.
Necessary preliminary tasks:
- Draw off and dispose off hydraulic fluid from fluid reservoir
- Remove bottom right wheel arch trim . See 51 71 ... REMOVING AND INSTALLING/REPLACING FRONT (BOTTOM) RIGHT WHEEL ARCH TRIM .
- Partially remove right underbody paneling . See 51 47 ... REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT UNDERBODY PANELING .
Release nuts (1, 2) (pressure lines to rear axle oscillating motor).
Tightening torque 37 14 12AZ. See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES -- 650I .
Release nut (3) (return line)
Tightening torque 37 14 19AZ. See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES -- 650I .
Release nut (4) (pressure line)
Tightening torque 37 14 16AZ. See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES -- 650I .
Release nuts (5, 6) (pressure lines to front axle oscillating motor).
Tightening torque 37 14 15AZ. See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES -- 650I .
Installation:
Make sure hydraulic lines are laid without tension and with sufficient spacing to adjoining components.
Partially detach front right wheel arch trim. . See 51 71 040 REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT WHEEL ARCH COVER .
Disconnect plug connections (1, 2).
Remove grounding strap from valve block.
Release screws (3).
Tightening torque 37 14 17AZ. See INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES -- 650I .
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 . See 37 10 001 Initial Operation With Test Run Of Dynamic Drive .
- Check pipe connections for leaks
- If necessary, carry out initial Dynamic Drive operation . See 37 10 001 Initial Operation With Test Run Of Dynamic Drive .