A8L V8-4.2L (BFM) (2004)
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Remove bolt - 4 -.
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Remove Torx bolts - 3 - (Qty. 2) using screwdriver T8 (T40056 A).
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Separate top trim - 2 - for steering column switch module from bottom trim - 1 - and remove both parts.
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Disconnect electrical connector - 1 -.
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Release catch - arrows - carefully and pull return spring with slip ring from steering column switch module.
Installing
Installation is reverse of removal. Observe the following when doing so:
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Make sure that all 3 catches of steering column switch module as well as the harness connector are engaged cleanly.
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Engage top trim into hooks of bottom trim, push both pieces together and bolt them.
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On vehicles with steering angle sensor in return spring with slip ring, steering angle sensor must be calibrated.