A8L V8-4.2L (BFM) (2004)
Sunroof / Moonroof Drain: Procedures
Cleaning Water Drain Hoses
Cleaning Water Drain Hoses
NOTE: For cleaning, it is recommended that you create your own assisting tool out of a speedometer inner cable, approx. 2300 mm (90.5 in.) long.
1
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Front water drain hose
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Front water drain hoses - 1 - are routed inside and end at outer A-pillar.
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Can be cleaned from sunroof cut - out
2
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Rear water drain hose
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The rear water drain hoses - 2 - are routed in C-pillar and end in the rear wheel housings.
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Cleaning is performed at lower end of hose.
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To do so, rear wheelhousing liner must be removed.