Low or dirty fluid is the #1 cause of erratic shifting. He topped it off with the specific synthetic blend his rig required, which helped lubricate the internal clutches and smoothed out the hydraulic pressure. Step 2: The "Ghost in the Machine"
Here is a story about a driver named Elias, whose quick thinking saved his truck and his schedule. The Shudder on the Grade jerking trannie
He pulled the dipstick and saw the fluid wasn't the bright cherry-red it should be; it was dark and smelled slightly burnt. Low or dirty fluid is the #1 cause of erratic shifting
Elias crawled under the chassis to check the on the driveshaft. Sometimes, what feels like a transmission jerk is actually a worn-out joint vibrating under a load. jerking trannie