Have you been under the vehicle to check for movement in parts like suspension pieces or the drive shaft and U-joints? If you push and pull on the top of each of your tires do they sit solid or is there any sign of movement? Do you feel the shake in the steering wheel or is it a body shake best you can tell? Does the shake diminish when the vehicle is turning? TBCHey guys ! I hope someone can help me. I have a 06 6mt with 142 000miles on it and I have shaking problem when I drive it about at 30 mph and over. On 2wd, the car is always shaking, but in 4x4 HI, the car doesn't shake when I floor it, he only shakes when I release de gas. Someone has already had this problem ?