481519 Removing and installing steering column centre
WM 481519 Removing and installing steering column centre
Preliminary work
1. Ignition key in position 1. Then ignition key in position 0 = (switch ignition off but do not remove key so that electronic steering wheel locking does not lock). Then disconnect battery.
2. Remove airbag unit for driver -> 695819 Removing and installing driver's airbag unit 69581900 Removing and installing driver's airbag unit
3. Turn steering wheel to a straight-ahead position and remove it -> 481019 Removing and installing steering wheel 481019 Removing and installing steering wheel.
Information
- For better accessibility, move the height adjustment (steering wheel) of the steering column to the appropriate position and close the locking lever.
4. Remove main headlight switch. To do this, press in rotary knob on the light switch (not to the stop) and turn the switch clockwise. Pull out the light switch in this position. Release and remove connector.
5. Remove trim panel (lower part of dashboard) -> 7019 Removing and installing trim panel under dashboard 701919 Removing and Installing Trim Under Dashboard. Unscrew the fastening screws -1- and swivel the cover under the dashboard on the driver's side -2- downwards -Arrow A-.
Removing trim panel (lower part of dashboard)
6. Release plug connections -1, 2, 3- and remove -Arrows A-.
Disconnecting the electrical plug connections
7. Remove clutch pedal on vehicles with manual transmission -> 300519 Removing and installing the clutch pedal Service and Repair.
Removing steering column centre
CAUTION
Increase risk when handling airbag modules.
- Injury and material damage may occur if airbag units are not handled correctly -> 6900AW Safety regulations for handling airbag and belt tensioner units - section on "General warning notes".
-> Observe safety regulations for handling airbag modules.
Information
- The height adjustment (steering wheel) of the steering column must be in the lower stop and the locking lever closed.
- The electronic locking unit (ELV) must be open (ignition key plugged in, then disconnect battery).
As a spare part, the steering column -A- is delivered complete with steering shaft.
Overview, steering column
1. Remove trim panel of steering column switch and remove steering column switch -> 9450 Removing and installing steering column switch Removal and Replacement.
2. Loosen strut on retaining frame (arrow shows mount on steering column). => Strut on steering column
Strut on steering column
3. Remove KESSY/PAS control unit.
4. Loosen lower steering column mount. To do this, loosen the lock nut -1- approx. 3 turns. Then unscrew the pedal bearing axle on the hexagon -2- approx. 2 turns (anti-clockwise).
Steering column mounting
5. Loosen upper steering column mount (loosen lock nut -3- /remove hexagon-head bolt -4- ) and extend the steering column.
6. Remove front underbody panel.
7. Loosen fastening screw -Arrow- and pull off steering shaft (universal joint) on the steering gear.
Steering shaft to steering gear
Installing steering column centre
CAUTION
Increase risk when handling airbag modules.
- Injury and material damage may occur if airbag units are not handled correctly -> 6900AW Safety regulations for handling airbag and belt tensioner units - section on "General warning notes".
-> Observe safety regulations for handling airbag modules.
Information
- Observe the tightening sequence on the mounting bracket.
- Once the battery is disconnected, perform the work required for full restoration of normal driving -> 2706IN Work instructions after disconnecting the battery .
- Calibrate steering-angle sensor -> 456000 Initialising and calibrating steering-angle sensor - section on "Adjusting" Testing and Inspection.
- If the steering column is replaced (new steering column), the electric steering column locking mechanism (ELV) must be taught with the Piwis Tester in the PAS system, menu Learning functions ]] Teach ELV [[. You can get the necessary Teach Enable Code (TEC code) from IPAS or from your importer using the vehicle identification number.
- Always replace the fastening screw for the universal joint of the steering column.
- Replace locking screws and nuts.
- Replace the clamping washer (strut mount to steering column).
- Carry out a visual inspection of all parts.
- Observe correct tightening torques -> 4800TW Tightening torques for steering.
Individual components cannot be disassembled and/or replaced.
1. Before installing the steering column, mount the strut -Arrow- without play on the steering column.
Strut to steering column
2. Put steering gear in centre position. Make sure that the clip for steering gear pinion is present (steering shaft assembly aid). Mount the steering shaft (universal joint) to the steering gear in the correct position using new hexagon-head bolt -Arrow-.
Steering shaft to steering gear
3. Insert the steering column and pay attention to the block teeth of the steering shaft (the steering shaft can only paired be in one position! 2. worker required). Tightening sequence for mounting:
Steering column tightening sequence
4. Install front underbody panel.
5. Install KESSY/PAS control unit.
6. Put steering column in the lowermost adjustment position and close the locking lever again. In this position, fasten the strut to the structure (this allows the adjustment range to move smoothly in all positions).
7. Install the steering-column switch and the trim panel from the steering-column switch -> 9450 Removing and installing steering-column switch Removal and Replacement.
Subsequent work
1. Install clutch pedal on vehicles with manual transmission -> 300519 Removing and installing the clutch pedal Service and Repair.
2. Mount linings under dashboard -> 7019 Removing and installing trim panel under dashboard 701919 Removing and Installing Trim Under Dashboard.
Installing lining
3. Install main headlight switch. To do this, insert the connector until it is felt to engage. Push in the light switch to the stop and turn the rotary switch anti-clockwise.
4. Install steering wheel -> 4810 Removing and installing the steering wheel 481019 Removing and installing steering wheel.
5. Install airbag unit for driver -> 6958 Removing and installing driver's airbag unit 69581900 Removing and installing driver's airbag unit
6. Connect the battery -> 2706IN Work instructions after disconnecting the battery .
Information
If the steering column is replaced (new steering column), the electric steering column locking mechanism (ELV) must be taught with the Piwis Tester in the PAS system, menu Learning functions ]] Teach ELV [[. You can get the necessary Teach Enable Code (TEC code) from IPAS or from your importer using the vehicle identification number.
7. Read out all fault memories and delete them, if necessary.
8. Carry out suspension alignment.
9. After the suspension alignment, with the position of the wheels ]] straight ahead [[ calibrate the steering-angle sensor on the measuring platform.
10. Carry out a test drive and check the operation (continuous easy steering movements, steering column adjustment, electronic steering column lock).