rzarezai

Ok guys,

Sorry if this has been beat to death already but I just upgraded from a 06 TL AT, to an 07 TL-S AT and noticed something weird and wanted to see if anyone had any suggestions.

Now this isn't a consistent problem and may only happen once every 3 days, but at times when driving the car around 25-30 MPH as I'm acceralating I feel as if the car shakes a bit as if the tranny is deciding gears and almost feels as if you are driving over a series of small smooth bumps that are in a row.

Anyone else have this problem or know what could cause it? Again, it only shows up every few days randomly so this may be something normal that I'm not used to.

Turbonut

iTrader: (1)

First, I'd check the motor mounts but unusual for an '07 to have bad mounts but you never know. Have seen cases that a mount is fractured and allows the engine to move slightly and cause a drive train vibration but at other times the engine stays in the proper spot and no vibration.
Vibration on acceleration can also be the inner CV joints, but a bad joint would cause the problem each time and usually not at only the speed listed.

Guess it's a process of elimination and deciding whether a trans problem or something else.