38 problems related to frame rust have been reported for the 2003 Toyota Tundra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota Tundra based on all problems reported for the 2003 Tundra.
Entire rear end housing rusted away requiring a whole new rear end housing. Frame is rusting out on whole truck.
Rusted vehicle frame. Driver side leaf spring broke due to rust corrosion. Replace leaf spring. Applied rust inhibiter to exposed frame. Vehicle underbody rust free.
I have a 2003 Toyota Tundra that I bought new and have had serviced at the same Toyota dealership since the purchase. In June 2008, I had the 60,000 service done and had front brakes replaced. In August 2008, while pulling out of my driveway, the driver's side lower control arm rusted through and the wheel was no longer connected to steering. After having the truck towed, I had to have both lower control arms replaced. Toyota USA paid for half. Since then, I have tried repeatedly to have Toyota and the dealership step up and accept the responsibility for the rust issue. The dealership says it's not their problem and Toyota USA states they have no program in place to address this issue. Neither of these excuses are acceptable. My truck is spotless except for frame rust. Toyota needs to do something before a serious accident happens and someone is hurt or killed.