Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.
Resources for the Repair and Maintenance of your 2005 Audi TT
2005 Audi TT
2005 Audi TT Problems
A creaking type noise may be noted from the front suspension. Replacement of the front sway bar may be required to correct this issue.
Vacuum leaks, oxygen sensor failure, and catalytic converter efficiency faults can cause the Check Engine Light to illuminate.
Engine oil leaks are common from the valve cover gaskets and camshaft chain tensioner gasket.
To avoid sludge accumulation inside the engine, our technicians recommend using the proper synthetic oil with the appropriate oil filter.
2005 Audi TT Questions and Answers
Service at dealer informed me that the "boots" had to be replaced. My car is under extended warranty; however, inspector for warranty company says that "boots" are not covered....
When my TT has been driven and is hot the transmission shifts roughly. This happens in both regular and sport modes and also when using the manual shifting mode. It only happens between 3nd &...