[PQ]

Originally Posted by hotrodhoodrat

I know I've seen another post like this and the guy never found out whats caused it, ether, the guy took it in to his dealer, the dealer had no clue also... I told the guy I had a similar problem a long time ago it was coming from the drive line, replaced the drive line and U-Joints & all good.
I'd take it in to the dealer, they'll check it and it will get fixed or they will have it on file, encase if it gets worse.
Hope that helps, good luck, keep us posted.

It's due for a service, so I'll have them check it.