2004 Audi TT Quattro Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Audi TT Quattro

Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.

Vacuum leaks, oxygen sensor failure, and catalytic converter efficiency faults can cause the Check Engine Light to illuminate.

A creaking type noise may be noted from the front suspension. Replacement of the  front sway bar may be required to correct this issue.

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Tried console button to open fuel tank lid to check for tight gas cap and lid wouldn't open. Manually opened it, tightened gas cap, still have same problem. What's up?

If the rear tire is .2 inches different than the front is that ok on a Quatro?

Some time ago (3 months), my drivers window stopped going down automatically, when I just hit the button (it will go down if I hold the button down). And then, suddenly one day it did, and then a couple of weeks later it stopped again. It has not gone down automatically since. And then one mornin...

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