2003 Audi A4 Quattro Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Audi A4 Quattro
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2003 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.
2003 Audi A4 Quattro QuestionsI have a check engine light prompted by a P0501 (1 answer)
My speedometer is not working (weeks ago, it was on and off but now it's just off all the time. I replaced the Vehicle Speed Sensor with no luck, as well as F/L ABS Sensor. Any suggestions on what the next move should be?