32 31 090 Removing and installing/replacing steering column
- 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.
Necessary preliminary tasks:
- Disconnect battery negative terminal
- Remove footwell heating duct
- Remove upper and lower steering column shrouds
- Remove steering column trims
- 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 Replacing steering spindle sleeve .
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: see 1AZ in 32 31 STEERING COLUMN .
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: see 2AZ in 32 31 STEERING COLUMN .
Secure steering column against falling out.
Unfasten screws (2).
Tightening torque: see 2AZ in 32 31 STEERING COLUMN .
Remove steering column towards rear.
Installation:
When inserting the steering column into the sleeve, make sure the sleeve is not pressed out of the bulkhead. Check installation position of sleeve, correct if necessary.
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.