One problem related to driveshaft has been reported for the 2006 Toyota 4Runner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Toyota 4Runner based on all problems reported for the 2006 4Runner.
Excessive vehicle vibration. From review of www. Tacomaworld. Com forums this is a fairly common occurence with 2nd generation tacomas (2005 to 2015). It seems to stem from the split driveshaft models (prerunners and 4x4s). In some cases it has resulted in vehicles dropping the driveshafts. In my truck, in one day it went to fine to what felt like the worst wheel imbalance I had ever felt. I immediately had my wheels balance and there was no improvement. That's when I went to the forums. . Read more...