Originally Posted by JARblue

I heard that the open diff doesn't have to work as hard as the VLSD. But I'm sure you're right to some extent. Maybe just not as often. And considering the diff fluid is recommended at like 60K I think and I find it dirty enough for changing at 15K then, changing the base diff fluid probably isn't a bad idea at 80K+ miles lol



10 years or 135K miles