S4 V8-4.2L (BHF) (2004)
Transmission Position Switch/Sensor: Service and Repair
Tiptronic switch F189, removing and installing, 09L, 6 Spd. A/T AWD
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Comprises 3 Hall sensors actuated by a magnet on the transverse slide of sliding cover
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Also check that magnet is properly secured on transverse slide of sliding cover, replace sliding cover with guide if necessary.
Removing
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Remove selector mechanism cover.
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Press 4 locking hooks -arrows- inward and pull cover -2- off guide -1-.
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Take printed circuit with integrated Tiptronic switch F189 out of cover.
Note:
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If necessary, the sliding cover with the magnet for the Tiptronic switch F189 can be removed as described below. However, as a replacement
part the sliding cover is only available together with the guide.
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Carefully separate two halves of guide by levering them apart -arrows-
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Remove sliding cover with magnet for Tiptronic switch F189.
Installing
Installation is performed in reverse sequence. Note the following:
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Install selector mechanism cover.
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Install selector lever handle.