One problem related to rear suspension coil springs 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.
Took siena in to Toyota for recall on spare tire assembly. Was told that while up on the racks, noticed both rear coil springs were broken and need to be replaced ASAP.
| Suspension problems | |
| Automatic Stability Control (asc) problems | |
| Front Suspension Control Arm problems | |
| Front Suspension Hub problems | |
| Rear Suspension Coil Springs problems | |
| Front Suspension problems |