32 13 070 Removing And Installing (Replacing) Electric Steering Box (EPS)
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 part.
IMPORTANT:
If the lower section of the steering shaft is separated from the steering gear/steering column, the steering column switch cluster may be damaged when the steering wheel/steering shaft is twisted!
Necessary preliminary tasks
- Disconnect BATTERY NEGATIVE LEADNOTE: High-current-carrying line laid with permanent positive connection (80 A fuse).
- Remove FRONT UNDERBODY PROTECTION
- E88, E93: Remove V-strut on left and right
- Remove LOWER SECTION OF STEERING SHAFT FROM STEERING BOX
- Remove both TRACK ROD ENDS FROM SWIVEL BEARING
- Replacement: Remove both TRACK ROD ENDS FROM STEERING GEAR
Cut open cable strap (1).
Disconnect plug connections (2).
Installation note:
Check plug connections for moisture and corrosion. To do so, read and follow notes/information.
Plug connections must audibly snap into place.
Make sure connecting lead is correctly laid.
Release nuts and remove screws (1) towards bottom.
Remove steering gear (2) forward.
Installation note:
Replace screws and nuts.
Tightening torque 32 00 1AZ .
After installation:
- Turn steering wheel in both directions to the limit position. The airbag indicator lamp must not light up in the process.
- Replacement: Carry out PROGRAMMING/ENCODING
- Teach in END STOP SOFTWARE
- Perform chassis/wheel alignment check . See 32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION or 32 00 155 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD
- Carry out STEERING ANGLE SENSOR ADJUSTMENT