What to do if you put oil in transmission?
What to do if you put oil in transmission? The solution is to immediately remove the transmission oil pan, let everything thoroughly drain out, replace the filter, re-install the pan and refill with new (preferably synthetic) transmission fluid. Run the car for a day and then repeat that operation just to be sure that no traces of engine oil remain. How do you change transmission fluid in a Chevy Silverado? Find the transmission oil dipstick which has a red cap and insert a funnel into where the dipstick is. Now, you can pour in the fluid. Put in 5 quarts...