Airbag unit (standard steering wheel), assembly overview

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Observe safety precautions for working on airbag → Safety precautions when working on airbag .

Fig 1: Airbag Unit (Standard Steering Wheel), Assembly Overview

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Torx bolts T30 (2x)

Tightening torque 7 Nm

2 - Steering wheel

3 - Connector for coil r

4 - Connector for airbag unit

5 - Airbag unit

Removing

Disconnect battery Ground (GND) strap.
Release steering column adjuster.
Pull steering wheel - 2 - outward and upward as far as possible.
Move steering wheel - 2 - to vertical position.

Remove Torx bolt T30 - 1 -.
Turn steering wheel half a turn back and unscrew second Torx bolt T 30 - 1 -.
Disconnect connector for airbag unit - 4 -.
Unplug connector for horn - 6 -.

Put airbag unit down - 5 - with impact cushion facing upward.

Installing

Installation is in reverse order of removal.
Ensure that connector and catch engage fully (i.e. audibly).
Ensure that no cable is on gas generator.
Ensure that airbag cable is not trapped. Lay airbag cable in a loop to the left.

Lay horn cable in a loop to the outside.
Tighten bolts - 1 - (2x) to a torque of 7 Nm.
Switch ignition on.

CAUTION: There must be no one in the vehicle when the battery is being connected.

Connect battery Ground (GND) strap.

6 - Horn connector

7 - Multi-point socket head bolt

Tightening torque 50 Nm

8 - Connector for heated steering wheel

9 - Self-cancelling ring with slip ring

NOTE:

After connecting the battery observe the necessary measures. →
- 27 BATTERY, STARTER, GENERATOR, CRUISE CONTROL
- 27 BATTERY, STARTER, GENERATOR, CRUISE CONTROL for ELECTRICAL EQUIPMENT, CABRIOLET
If Airbag Malfunction Indicator Lamp (MIL) K75 signals a malfunction after assembly, use vehicle diagnostic, testing and information system VAS 5051 A to interrogate, erase and then again interrogate DTC memory.