A question for you guys as I am new here. I have a 04 TL AT and I recently got an oil change at the dealer. About a few days later I noticed that I hear a rattling noise from the front end of the car noticeably on the passenger side when I drive off from cold start. You especially hear it more when accelerating. After about a few minutes it goes away. I went to the dealer to have them check it out, but they couldn't hear it since the car was already warmed up i guess. Any suggestions or thoughts as to what it might be?

 

I don't know, but if it's under warranty, explain the situation where it happens again to the dealer, and ask them for a loaner so they can keep it overnight to duplicate the scenario. Otherwise, they will never know right? Can't hurt, but make sure that you argue it's a warranty item or that it only happened after they worked on your car.

If they still don't want to help, then just take it to another dealer (if it's still under warranty) and ask them to diagnose it (but leave the part out about taking it to the dealer previously for an oil change).