I have an '05 TL M/T. I recently noticed a noise like a rock hitting undercarriage during shifting on 1st and 2nd gear. This happens when pressing on the clutch during 1st and 2nd gear. Anybody had this experience? The car is still under warranty but i thought i'd ask. Or maybe its normal and that i should ignore. Any input would be helpful. , thanks.

 

I have one like yours but warranty is gone. I haven't noticed anything like that on mine but now you got me worried. I'll pay more attention to see If I'm experiencing the same thing tonight when I get off from work.

 

Just got home and didn't notice the problem you're having.