32 31 090 Removing and Installing/Replacing Steering Column

32 31 090 Removing and installing/replacing steering column







WARNING:
Observe the following instructions to avoid any risk of injury by the airbag unit.
- Comply with safety regulations for handling components with gas generators.
- Do not exert any force on the airbag unit.
- Use only specified tools for releasing the airbag unit.

NOTE: Incorrect handling may result in triggering of the airbag unit and thereby cause serious injury.







NOTE: Vehicles manufactured up to 12/2004 have a steering column with a three-pin plug connection for the electrical steering column locking. Vehicles manufactured after this have a four-pin plug connection. Spare parts are offered for both versions.







Necessary preliminary tasks:
- Disconnect battery negative terminal
- Remove footwell heating duct
- Remove steering column shrouds
- Disconnect all plug connections at mounting for switch of steering column
- Disconnect plug connection on electric steering column lock
- Remove wiring harnesses on steering column
- Slide sleeve for steering shaft on steering column upwards. This work is described under 3231102

Installation note:
Slide sleeve into bulkhead and check installation position; correct if necessary.







Undo clamping bolt (1) on steering column (2).

Installation note:
Tightening torque 32 31 1AZ.

Clean thread to remove all remnants of screw locking adhesive.
Replace clamping bolt
Clamping bolt must rest in groove of steering column.
No subsequent retorquing permitted.







Release screws (1).
Tightening torque 32 31 2AZ.
Secure steering column against falling out.
Unfasten screws (2).
Tightening torque 32 31 2AZ.
Remove steering column rearwards.

Installation note:
Prior to installing, slide sleeve onto steering column.







Replacement:
- Modify airbag unit
- Modify steering wheel
- Modify fixture for steering column switch







After installation:
- Replacement: Lock and unlock electric steering column lock and clear fault memory in Car Access System (CAS).
- Replacement: Turn steering wheel in both directions to the limit position. The airbag indicator lamp must not light up in the process.