06 Silverado 2500HD w/t, what kind of transmission fluid does this take?
2 Answers
Mine takes DEXTRON 3... It should say on the dip stick..
1 people found this helpful.
Best Answer
Mark helpful
My 06 2500HD Diesel w/ Allison 6 spd came from the factory with Dexron VI synthetic tranny fluid, and that's what GM says to use. I do, and no problems.
2 people found this helpful.