2003 Audi A6 Quattro Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Audi A6 Quattro

2003 Audi A6 Quattro Problems

Overheating Due to Failing Thermostat

The thermostat may erratically stick open or closed. The can result in illumination of the Check Engine Light and/or engine overheating.

ABS Light Due to ABS Control Module Failure

The anti-lock brake system (ABS) control module may fail causing the ABS light to illuminate. Failed modules should be replaced to restore ABS operation.

Oil 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.

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2003 Audi A6 Quattro Questions

Changed ignition car starts and dies didn't before (1 answer)

Is there a chip in a 2003 Audi didn't look it what alse you have to do when changing a ignition

Front end vibrates and rattles between 60 - 70 mph. (1 answer)

Also is wearing my tyres out prematurely. I think maybe the stearing rac may need rebuilt. I need confirmation from someone who has had experience with Audi's in the past and who may have an idea on cost.

why won't my car start?????? (2 answers)

Car was running amazing. Shut it off in my driveway for a minute. I just got the car so i wanted to start it up again. But when i turned the key a weird noise came from the fuse area and won't even turn over. The battery is charged and radio/headlights, etc all work. I have no idea what the p...

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2003 Audi A6 Quattro Reviews

I love this car
I own an 03 A6 4.2Qtr.Sports Pkg.Great SLEEPER!!!Quality of engineering shows thru & thru what with an interior fit & finish & classic styling that's ageless @92kmiles. Need chunky c/crd for repair costs.Premature suspension & control link bushings wear.Need accurate diagnosis to fix.ABS/VSA lights flash.Have replaced module once $1700.00.Car smells like its burning oil but not based on dip-st...

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