One problem related to tank assembly has been reported for the 2001 Toyota Tundra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Toyota Tundra based on all problems reported for the 2001 Tundra.
Gas tank had to be replaced due to severe corrosion. The tank was leaking fuel prior to replacement. The Toyota dealer stated the entire undercarriage was extremely rusted.