I have had my 04 S m6 for about a week now. I have noticed that when I crank the steering way over to the left or right and then proced to put the car in motion I get a low frequency shudder and sound that I can feel and hear. It lasts only about a second and if I keep turning in the same circle it goes away. Stock tires and wheels so far so nothing is rubbing. The dealer put it up on a lift and couldnt see anything wrong. He felt it do its thing, bud didn't know what it was. The car has a brand new clutch put in by the Audi dealer about 1000 miles ago before I purchased the car. I only have about 5000 miles left on my factory warrantee and don't want any surprizes tha can be eliminated now. Is this brief shudder a normal quirk of this car or do I have some impending problem?
Thanks for any enlightment here.

 

Steering pump maybe? But if you're not hearing a slight wine when you turn your wheel or have it cranked then its probably not a sign of a failing pump.

 

Im almost positive its normal

 

Thanks. I went and checked the steering , is full. Noise and shake isn't just when I crank the wheel all the way, its as I start to move forward with them cranked over like in a tight parking space. It doesn't happen when I let up the clutch going straight. Could it be the all wheel drive grabbing for a second due to the extreme differences between the front and rear turning radius when the wheels are cranked way over. Does anyone else experience this. It just happens for a second or so after the clutch is engaged in a tight circle. I fel the shudder in the steering wheel and the clutch pedal but the noise source is hard to pinpoint.

 

It's normal. I took mine to the dealer and they said it's something to do with the quattro/ESP system. It gets more pronounced when you upgrade the handling because the tires are gripping better. However, you're calling it a "shudder" which implies the steering wheel is moving around. Mine doesn't do that - it's just the sound and a slight vibration.

 

Yess4 we are probably talking about the same thing. Maybe shudder wasn't the right word. Thanks for your input.

 

completely normal, as yesss4 stated its just the quattro doing its thing.

 

Thanks. Now I'll sleep better.

 

I get the U-turn vibration as well in my 00 B5 S4. All quattro related and normal right?