One problem related to axle assembly has been reported for the 2003 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota Sienna based on all problems reported for the 2003 Sienna.
Consumer was informed that the loud/squeaking grinding noise in the rear axle was normal and that it's a harmonic distortion on the rear axle.
| Automatic Transmission problems | |
| Automatic Transmission Column Shift problems | |
| Axle Assembly problems | |
| Power Train problems |