S4 V8-4.2L (BHF) (2004)
Tire Pressure Monitor Receiver / Transponder: Diagrams
Wheel electronics, assembly overview
1 - Metal valve body
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Use only correct valves as specified in Parts catalog
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Is delivered assembled
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Always replace valve core when changing tire
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Removing and installing
2 - Valve core
3 - Seal
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Removing and installing
4 - Rim
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Removing and installing tire and
5 - Wheel electronics
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Replace as a complete assembly
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Battery service life approximately 7 years
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Remaining service life, temperature and inflation pressure can be read out via diagnosis function with vehicle diagnostic, testing and
information system VAS 5051A
6 - Micro-encapsulated Torx T20 bolt
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Tightening torque: 4 Nm
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Always replace bolt
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Replacement part only available together with wheel electronics
7 - Union nut
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Tightening torque: 4 Nm
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Removing and installing
8 - Chamfered washer