There is no dipstick you dipstick. Its a manual transmission. There should be a plug on the side of the transmission that you have to take off and stick your finger in. If the fluid level is even with the bottom of the hole, then the fluids are fine. If not... you need to add more fluid. Make sure the truck is not running when you do this... you may lose a finger. And consult your owners manual if you have one, or an auto parts store for what kind of transmission fluid to use.