One problem related to power train driveline has been reported for the 2004 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Toyota Sienna based on all problems reported for the 2004 Sienna.
While making a sharp left turn, I can hear clunk, clunk from the steering column. Dealer says the steering column (rack-pinion) joint is bad, need replacement, not under warranty, will cost 500 to 600 $, not an immediate safety threat , can wait until the noise gets too bad. I am not happy that such things break down at 45,000 miles.