S8 Quattro Sedan V10-5.2L (BSM) (2009)
Evaporator Drain Tube: Service and Repair
Refrigerant Circuit
Condensate Drain Hose
Removing
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Remove storage compartment on driver's side, glove compartment and center console.
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Carefully fold back floor mat far enough that condensate drain - A - is visible.
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Disengage clamp - B -
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Cover area beneath condensate drain - C - with absorbent paper so that any water present does not flow under carpet.
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Remove foam pipe - D -.
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Remove condensate drain - C -.
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Check the gap between the lower floor panel - F - and the insulation mat - G - installed in the center tunnel. There must be enough space for
condensation to exit from the condensation drain - C -.
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Check condensation water drain of A/C unit - A - for soiling using a piece of wire.