Funny how my 2004 5.4L 3valve has 340,000 miles on the original engine and transmission and it’s never been opened original rear end drive shaft and suspension truck has had no work done accept tires fluid changes and brakes you sir just don’t know how to take care of a machine I’m a mechanic my father is a mechanic his father is a mechanic and my great grandfather was a mechanic sounds to me like operator error
