Originally Posted by
redranger1
I suppose i cannot be %100 sure it isnt the slip yoke splines. Ill check into that. How did you figure out thats where it was coming from?
Did some searching on this forum as well as F150online. Other guys were having the same problem and found it to be the slip yolk. Then when I greased it the first time it went away for about a month. Its bad now though, some guys said they ended up having to buy a new driveshaft