90XR7Cougar5spd
Registered User
On my truck (90 gmc 4x4) the dame u joint keep on going out, and its always the same one, the very back one on the differential.......... Any ideas as to why they are going out, ive put i dont know how many in it over the past 2 years, although i am getting damn good at changing them, pull the drive shaft and put a new u joint in and put the drive shaft back in all withing atleast 20 min 
Can anyone help me!!!!!!
Can anyone help me!!!!!!