My LX470 has 330k and runs and shifts great. It's a DD. We live on a very steep 7 mile dirt road.
The fluid was flushed about 5 years ago and has since had about 30k miles. The fluid is getting a bit dirty.
I have a few gallons of castrol synthetic ATF and thinking about pulling the drain...
A commonly overlooked issue with most off road builds is preventing leaks. This video will show you how to properly use the FATS system to prevent fluid leaks on your off road vehicle and hopefully prevent fires.