Audi Workshop Service and Repair Manuals

Renewing sensor wiring   Note This repair is not possible at present. Special tools and workshop equipment required

t  Torque wrench -V.A.G 1331-

Removing –  Remove steering box → Chapter. –  Clean steering box in area of cover. –  Clamp steering box in a vice as shown. 1 -  Bracket VW 540/2 2 -  Press tool 3253/6 (2x) –  Unclip sensor wiring at steering box housing.

–  Remove seal -1- from cover -2-. –  Detach cover -2-. –  Carefully remove seal from steering box housing. Make sure that sealant residue does not enter sensor or housing.

Avoid touching electrical contacts -arrow-. –  Note general repair instructions → Chapter.

–  Cut off connector contact from wiring harness and store in a safe place. It will be required for coding the new sensor wiring. The new sensor wiring is not fitted with a connector.   Note

The sensor wiring in the steering box housing is fitted with a securing element -arrow- for the steering pinion coil spring. Make sure that the coil spring is not twisted when removing the sensor wiring.

–  Now unplug sensor wiring connector at steering pinion. To do this, press the connector contact out of the coil spring housing using a screwdriver (width of blade 3 mm) as shown in illustration. –  Pull securing element out of steering box housing. –  Pull sensor wiring out of steering box housing.

Installing –  Insert sensor wiring into steering box housing. –  Lock coil spring with sensor wiring -arrow- to steering box housing. –  Plug connector into coil spring housing. The connector is coded and can only be fitted in one position.

–  Unplug old connector from control unit. –  To unplug connector, press button -a- in direction of arrow. –  Insert wires of new sensor wiring into new connector. –  Take over designations on old connector for the coding procedure.

–  Clip adapter -2- to connector housing -3-. –  Clip sensor wiring to steering box housing -1-. Note routing of wires. –  Plug connector onto control unit.

–  Apply only a very thin coat of grease -G 052 168 A1- when lubricating the seal -arrow- in the cover. –  Install cover with new seal. Remaining installation steps are carried out in reverse sequence. Tightening torques → Chapter „Exploded view of electromechanical steering box (generation 1)“ –  Check wheel alignment → Chapter Perform a basic setting for the steering angle sender -G85- using vehicle diagnostic, testing and information system -VAS 5051B- after installing.