Originally Posted by WyrTwister
Originally Posted by K20FA5
I have the 6 speed in mine and have no complaints. Most of the issues I've heard people complain about are around the 8 speeds. From what I read, and could be way wrong, it sounded like they needed a different fluid than they were originally manufactured with. Not sure if that issue has been corrected with the 2019 trucks or not?
I certainly am no expert and have not driven a GM 8 speed transmission .
But , to my knowledge , GM only used DEXRON 6 in newer vehicles ( gasoline ) ? Do not have any idea about the diesels ?
The 8 and 10 speed new GM transmissions use a different fluid. DEXRON HP or LV or ?????
Originally Posted by K20FA5
I have the 6 speed in mine and have no complaints. Most of the issues I've heard people complain about are around the 8 speeds. From what I read, and could be way wrong, it sounded like they needed a different fluid than they were originally manufactured with. Not sure if that issue has been corrected with the 2019 trucks or not?
I certainly am no expert and have not driven a GM 8 speed transmission .
But , to my knowledge , GM only used DEXRON 6 in newer vehicles ( gasoline ) ? Do not have any idea about the diesels ?
The 8 and 10 speed new GM transmissions use a different fluid. DEXRON HP or LV or ?????