One problem related to tire valve 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.
4 tires purchased from army air force exchange service, (aafes) on 20 Nov 2006 for a 2003 Toyota Sienna van. I have had to take it back to get the valve stems replaced. First incident was 10 oct 2008, the second occurrence just happened and will be replaced on the 11th.
| Tire Tread/belt problems | |
| Tire problems | |
| Spare Tire problems | |
| Tire Valve problems |