just bought the truck drove it home and ran great,the next day it had a puddle of fluid under transmission, and it was very noisy,the guy said he put a new seal in the transmission and when i got their the truck was all warmed up but didnt think much of it @ the time,, MY QUSTION IS WHAT IS THE CORRECT FLUID TO PUT IN THE NV3500,IV SEEN 2 DIFFERENT ANSWERS, AND WHAT IS THE BEST FOR THE NOISY TRANSMISSION WITHOUT A COSTLY REBUILD? AND WHERE IS THE FILL AND DRAIN HOLES? DRIVERSIDE?OR?? THANKS MOPARTS COMMUNITY