2003 Toyota Sienna Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Toyota Sienna

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Models with electric sliding doors can develop problems with the door mechanism. The cable in the door becomes frayed, which will damage the electric motor.

Multiple cracks may develop on the upper surface of the dashboard. At this time, the only suggested repair is to replace the dashboard.

One or more oxygen sensors may fail resulting in illumination of the Check Engine Light.

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Toyota is recalling 1998–2010 Sienna models manufactured or registered in twenty-two Eastern and Midwestern states because of problems with the spare tire carrier and assembly cable due to road salt corrosion. This may cause the spare tire assembly cable to break and the spare tire to separate from the vehicle, increasing the risk of a crash. Toyota will notify owners via letter with instructions on how to remedy the problem. For a list of the affected states, call Toyota at 1-800-331-4331.

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I bought it new. It is now at 108K. Nothing has gone wrong except one thermostat and word out brakes. Chaged timing belt and water pump at 100K. This is a completely reliable great car. I plan to give it to my son and expect that it will go another 100K miles.

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