Ernest Bottomer 
2012 Toyota RAV4 SUV Limited 4dr SUV 4WD (3.5L 6cyl 5A)
So soon ?
 Recently purchased a pre-owned  6cyl.2012  rav4  with 22,000. Noticed a low level droning starting at 40 mph. It would go away with foot off the gas. Took it back to Toyota and they said the Transmission had a bad bearing . Will put in a re-manufactured Trans. Hope that does it.