32 13 075 Removing and installing electrical steering box active steering
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IMPORTANT:
Connecting line:
In the event of moisture/corrosion inside the two plug connections, check the insulation of the connecting line. If the insulation reveals any noticeable/striking features, partial replacement will be necessary. Otherwise it will be sufficient to replace the contacts or connector housing.
In the event of moisture/corrosion inside the two plug connections, check the insulation of the connecting line. If the insulation reveals any noticeable/striking features, partial replacement will be necessary. Otherwise it will be sufficient to replace the contacts or connector housing.
NOTE:
In a warranty case you must always provide a fault memory printout, even where there is no fault entry, with the defective component.
Necessary preliminary tasks:
- Disconnect BATTERY EARTH LEADNOTE: High-current-carrying wiring laid with permanent positive connection (80 A fuse).
- Remove underbody protection at front and rear. See 51 47 490 REMOVING AND INSTALLING/REPLACING FRONT UNDERBODY PROTECTION or 51 47 491 REMOVING REFITTING/REPLACING REAR ENGINE UNDERCOVER
- Remove COVER FOR STEERING ASSEMBLIES on left and right
- Remove STIFFENING PLATE (F12/F01, F02 N74)
- Remove TRACK ROD END ON BOTH SIDES FROM SWIVEL BEARING
- Remove LOWER SECTION OF STEERING SHAFT FROM STEERING BOX
- Version with Dynamic Drive:
IMPORTANT:
To avoid the need for axle/wheel alignment, mark position of steering box (1) to front axle support (2).
To do so, draw a wide white stripe on the front bolting points (left and right) and apply a thin black marking (3) to this stripe.
To do so, draw a wide white stripe on the front bolting points (left and right) and apply a thin black marking (3) to this stripe.
For greater clarity steering box shown removed.
Unlock plug connections (1) and disconnect.
Unfasten plug connection (1) and disconnect.
Release screws (1).
Lay holder (2) with wiring to one side.
Release screws (1) and tie anti-roll bar (2) to front axle support.
Tightening torque 31 35 1AZ .
Release screws (1).
Tightening torque 32 00 1AZ .
Installation note:
When installing, make sure that the steering box is realigned to the marking applied to the front axle support prior to removal.
Replace screws
IMPORTANT:
Risk of damage!
Plug connection (1) on electrical steering box must not be damaged when removing.
Plug connection (1) on electrical steering box must not be damaged when removing.
Remove steering box with wiring harness downward.
After installation:
- Teach in END STOP SOFTWARE
- Perform ALIGNMENT/START-UP for active steering