A8 Quattro Sedan V8-4.2L (BGK) (2006)
Sunroof / Moonroof Drain: Procedures
Water Drain Hoses, Cleaning
‹› 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 - Front water drain hose
‹› Front water drain hoses - 1 - are routed inside and end at outer A-pillar.
‹› Can be cleaned from sunroof cut-out
2 - Rear water drain hose
‹› The rear water drain hoses - 2 - are routed in C-pillar and end in the rear wheel housings.
‹› Cleaning is performed at lower end of hose.
‹› To do so, rear wheelhousing liner must be removed.