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 Problems

Fluid 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.

Various Probelms Caused by Clogged Plenum Tray Drain

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.

Maintain fuel quality to avoid misfires and CEL illumination

Fuel quality must be maintained to avoid engine misfire problems; the misfires may cause the Check Engine Light to illuminate.

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2004 Audi A4 Quattro Questions

What 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.

Does the condenser need to be replaced when replacing the air compressor? Replaced the compressor.It's blowing cool air and not cold air. Mechanic couldn't find anything else wrong. (1 answer)

why doesn't turbo not work? (2 answers)

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?

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2004 Audi A4 Quattro Reviews

I have been in love with Audi's for a long, but unfortunately maintenance related issues have been burdensome.
I bought the car new I had to bring it back to replace the radiator. Twice I had to have it towed back to the dealer because it would not start. The check engine light went on about three times. I had to bring it back to the dealer to find out why. It was bogging down from the stop on acceleration. All of those problems happened when it was still under warranty. After that I had to replace the ...
I love the Car (A4 Avant 3.0). Just bought it so time will tell. So far it's exactly what I was hoping for in an Audi. Unfortunately I have to get the timing belt service done soon. Very pricey on the 6 cylinder.

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