2004 Audi A4 Quattro Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Audi A4 Quattro
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2004 Audi A4 Quattro ProblemsFluid Leak From Transmission Output Shaft Seal
A fluid leak may develop from the propeller shaft seal on the rear of the transmission. Our technicians tell us that replacing the seal will commonly correct this concern.
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.
Fuel quality must be maintained to avoid engine misfire problems; the misfires may cause the Check Engine Light to illuminate.
2004 Audi A4 Quattro QuestionsWhat makes my front wheels squeak while driving? (1 answer)
Wheels vibrate when driving at a high rate of speed. But the steering wheel doesn't vibrate.
I have a 2006 Audi A4 2.0 t and for some reason the turbo does not work. It also has a sudden lag while driving and does not go past 80 mph. Any ideas what's wrong with it?