I was traveling on a straight path yesterday during a downpour in a
2000 LE Camry. It was raining heavily (cats and dogs) and while
cruising at about 70mph, the car started to vibrate. If you have a
cell phone and you put it on vibrate in your pocket, that was the
feeling that I got for the whole car.

I left off the accelerator and it went off. A few min later, it came
back on while doing 70 and that happened like 3 times.

Does anybody know what this might incline to?

I did a flush of the transmission just that morning at a Toyota
dealership but I doubt that caused it, unless he did not put enough
transmission fluid. I know my tires needs to be replace within the
next 5000 miles or so. I do not think it was hydroplaning as later on,
the car did hydroplane but it was not vibrating like a cell phone. It
does not have trac control or ABS.

Any thoughts, anybody.. THX.