2005 Audi A4 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2005 Audi A4
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2005 Audi A4 ProblemsRainwater May Accumulate in Plenum Tray Due to Clogged Drains
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.
The Cabriolet convertible top mechanism can fail due to hydraulic fluid leaks. The fluid reservoir is a common failure.
2005 Audi A4 QuestionsBrake lights go on overnight. Batt & alt were replaced & brake lt switch. Same P (1 answer)
Intermittent. Always overnight.
2005 Audi A4 RecallsPassenger Frontal Air Bag Inflator Ruptures On Deployment
The passenger frontal air bag inflator may rupture on deployment, causing metal fragments to come through the air bag and injure occupants. Dealers will replace the passenger frontal air bag inflator free of charge to resolve the concern.