32 13 572 Replacing electrical steering gear (EPS) (AWD)
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:
Do not turn the steering wheel once the steering shaft has been detached from the steering box/steering column! If the lower section of the steering shaft is separated from the steering box/steering column, the steering column switch cluster may be damaged when the steering wheel is turned.
Necessary preliminary tasks:
- Disconnect BATTERY EARTH LEADNOTE: High-current-carrying wiring laid with permanent positive connection (80 A fuse).
- Secure engine in installation position . See 11 00 670 SECURE ENGINE IN INSTALLATION POSITION or 11 00 670 SECURE ENGINE IN INSTALLATION POSITION
- Remove FRONT WHEEL on the left and right.
- Remove underbody protection . See 51 47 490 REMOVING AND INSTALLING/REPLACING FRONT UNDERBODY PROTECTION or 51 47 490 REMOVING AND INSTALLING/REPLACING FRONT UNDERBODY PROTECTION at front and rear
- Remove REINFORCEMENT PLATE
- Remove top and bottom cover of steering assembly (diesel-engine cars only)
- Release steering spindle on steering gear . See 32 31 070 REMOVING AND INSTALLING/REPLACING LOWER SECTION OF STEERING SHAFT , 32 31 070 REMOVING AND INSTALLING/REPLACING STEERING SHAFT LOWER SECTION (N47 ALL-WHEEL DRIVE VEHICLE) or 32 31 070 REMOVING AND INSTALLING/REPLACING STEERING BOTTOM STEERING SHAFT (N20 ALL-WHEEL DRIVE VEHICLE)
- LOWER FRONT AXLE SUPPORT
- REMOVE ANTI-ROLL BAR
- Release LEFT AND RIGHT TRACK ROD END at swivel bearing
Unlock plug connections (1), disconnect and unclip wiring harness (2) at the front axle support and lay to the side.
Release screws (1) at front axle support.
Tightening torque, 32 00 1AZ .
Installation note:
Replace the screws (1) and nuts.
IMPORTANT:
Risk of damage!
When removing the steering gear, pay attention to connector housing and the gearing on the steering gear input shaft.
When removing the steering gear, pay attention to connector housing and the gearing on the steering gear input shaft.
Pull out track rod to the left over the trailing link.
First pull out steering gear between front axle support and body and then remove the complete steering gear.
Installation note:
Remount TRACK ROD END on left and right.
Or check track rod end and renew, if necessary!
After installation:
- Turn steering wheel in both directions to the limit position. The airbag indicator light must not light up in the process.
- Carry out PROGRAMMING/ENCODING
- Teach in END STOP SOFTWARE
- Perform CHASSIS/WHEEL ALIGNMENT CHECK