Clogged drains can allow rainwater to accumulate in the plenum tray (at the base of the windshield). The water may leak into the vehicle's interior, brake booster, or electrical components, which can lead to major problems. Our technicians recommend keeping the tray clear of leaves, pine needles, and other debris.
Various Probelms Caused by Clogged Plenum Tray Drain on Audi S6
Average mileage: 61,000 (61,000–61,000)
8 people reported this problem
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big puddle on the driver floor board dripping from under the dash right by the fuse box
Pine needle clog/heavy rain and car wash, brake and engine failure, billowing exhaust steam. Towed to dealer. Cleaned water out of brakes and engine. Saved the engine by getting towed.