Just got B6 s4....a few problems...

[no6thgear]

It is clean, dealer maintained (carfax shows it) 78k miles and really does look to be in very good condition. Interior and exterior are impeccable minus a few light scratchs in the paint that can buff out. when I start it in the mornings, and then after work in the afternoon there is what I initially thought was the common chain tensioner sound. But when I initially start it....it does not make the sound.....2-4 seconds later there is a sound that is similar to it. so the engine turns over quietly, then 2-4 seconds later there is a sound. I read that there is a "heat flap" on the front of the engine? and that if you hold it in the morning and start the car it won't make the sound. I can't find the flap though. anyone have a picture? Thats problem 1. Problem 2: After a high speed run (on closed course :P) I noticed a slight slight vibration at WOT. almost enough to just forget about it and write it off. next day drove it like a saint like I usually do, and it was fine. Later in the day I do a bit of spirited driving and the vibration gets worse, then all of a sudden it gets much worse after going around a corner. I stop, revv it in neutral and the car is shaking bad. Almost like a bad engine mount. After much research, I find the flywheels in these cars go bad. So at that point I was flipping out. Then I am driving home, and it goes away. Has not come back since (knock on wood) its been a few days so far. Is that sound in the morning the flywheel? If so, I need to unload this thing quickly. Any help is appreciated.

[eightyhorsepower]

1. What does the sound sound like ? Is it a ticking or whining ?


2. What makes you think a bad motor mount ? Could you isolate the vibration to the engine bay ? or from further back the driveline (tranny/differential/axle)?

3. If you're unsure, have a professional Audi mechanic check it out. It doesn't sound like they're causing driveability problems . . .