Audi Workshop Service and Repair Manuals

Removing and installing steering column Special tools and workshop equipment required

t  Torque wrench -V.A.G 1331-   WARNING Before removing the steering column, please note the following points: Draw a sketch showing t  the layout of the electrical wiring harnesses t  the attachment of the electrical wiring harnesses t  the fitting locations of the cable ties. This applies particularly to the wiring harness for the electronic steering column lock control unit -J764-. Before installing the steering column, please note the following points: l  Restore the layout of the electrical wiring harnesses exactly as it was prior to removal. l  Restore the attachments of the electrical wiring harnesses exactly as they were prior to removal. l  All cable ties unfastened or cut open when removing the steering column must be re-attached in the same position when refitting it. l  When adjusting the steering column, check that the wiring harness leading to the electronic steering column lock control unit -J764- is not trapped and does not come into contact with any sharp edges. Removing   Note t  The replacement steering column is only supplied as a complete unit. Repair is not possible. t  Only the electronic steering column lock control unit -J764- can be renewed separately. –  Turn wheels to straight ahead position. –  Move steering wheel downwards and rearwards as far as possible, using the full range of the steering column adjuster. –  Remove driver's airbag unit → Rep. gr.69. –  Remove airbag steering wheel → Chapter. –  Remove dash panel trim on driver's side → Rep. gr.68. –  If fitted, remove bracket for right knee bolster (driver side) → Rep. gr.68. –  Remove footwell vent on driver's side → Rep. gr.87. –  Remove steering column trim panels → Rep. gr.68. –  Remove steering column switch module → Rep. gr.94.   WARNING On steering columns for dynamic steering: never slacken or remove the bolts of the dynamic steering unit.

–  Detach wiring guide -1- from steering column -arrows- and place aside. –  On vehicles with dynamic steering, unplug connectors at adjuster and move wiring guide clear at steering column (left-side).

–  Remove bolt -2- and detach intermediate steering shaft -3- from steering column -1-.

–  Remove bolts -1 … 4- for steering column (bottom) from mounting bracket and pedal bracket.

–  Unscrew bolts -1- and -2- for steering column from central tube, supporting steering column by hand from below. –  Pull steering column back slightly, detach from positioning holes on central tube and lower.

–  Unplug electrical connector -2- at electronic steering column lock control unit -J764--1-, detach clip -5-, move wiring harness -3- clear and detach steering column. Installing Installation is carried out in the reverse sequence. Note the following points: Tightening torques → Chapter „Exploded view of steering column“ t  If steering column has been renewed, use bolt fitted in new steering column → Item for electronic steering column lock control unit -J764-.

–  Before fitting new bolt -2-, clean threaded hole with a thread tap or similar.

–  After plugging in connector -2-, make sure wiring harness -3- is secured by clip -5- at the appropriate location. Check that wiring harness -3- leading to electronic steering column lock control unit -J764--1- does not become trapped and does not come into contact with sharp edges when steering column is adjusted.

Note correct installation sequence –  Fit positioning pins -1- on steering column into positioning holes on central tube. –  Screw in all bolts only loosely. –  First tighten bolt -2- to specified torque. –  Then tighten bolt -3- to specified torque. –  Now tighten bolts -4- and -5- to specified torque. –  If fitted, install bracket for right knee bolster (driver side) → Rep. gr.68. –  Then tighten bolts -6- and -7- to specified torque. –  Tighten bolts -8- and -9- to specified torque. –  Renew speed nut -10- if steering column has been renewed.

–  Push intermediate steering shaft -3- onto steering column -1- as far as stop and tighten bolt -2-. –  Install steering column switch module → Rep. gr.94. –  Install steering column trim panels → Rep. gr.68. –  Install footwell vent on driver's side → Rep. gr.87. –  Install dash panel trim on driver's side → Rep. gr.68. –  Install airbag steering wheel → Chapter. –  Install driver's airbag → Rep. gr.69. –  If the electronic steering column lock control unit -J764- is renewed, the control unit must be adapted to the immobilizer.   Note If the same steering column and the same electronic steering column lock control unit -J764- are being re-installed, the electronic steering column lock control unit -J764- does not have to be adapted. –  Connect vehicle diagnosis, testing and information system -VAS 5052- and start Guided Functions for the vehicle in question. –  Select the relevant program in „Guided Functions“. –  Follow the instructions on the screen. –  After installing steering column switch module, calibrate steering angle sender -G85-. –  Connect vehicle diagnosis, testing and information system -VAS 5052- and start Guided Functions for the vehicle in question. –  Follow the instructions on the screen.