One problem related to transmission fluid leaking has been reported for the 2000 Toyota Tundra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Toyota Tundra based on all problems reported for the 2000 Tundra.
The steel fitting in the radiators to transmission cooler rusted off, dumping antifreeze and transmission fluid on the road, in doing so antifreeze got into the transmission and transmission fluid got into the engine. Cost of repairs $1150. Next the rear axle housing rusted a hole in. Cost of repairs $1900. Next front exhaust pipes with converters are rusted out a leaking exhaust. Toyota has a recall for rust on this truck but doesn't cover these problems that are dangerous.