I just got new monroe sensitrac shocks, and an alignment came with their install. The vibration was there before this as well. I've also noticed some hard shifting and a little squeak if I take off quickly. Again, the local yota dealer said they couldn't find any problems with the tranny, drive...
My '01 with 87K miles has started vibrating while engine braking going downhill with cruise control on. This vibration is felt in my gas pedal and seat and can be heard throughout the cab. The steering wheel, tires, and brakes do not vibrate. It's most noticeable from 60 to 70 mph, and more...