1995 Chevrolet S10 Q&A

1995 Chevrolet S10 Question: Does the drive shaft need to be in time?

I replaced tran and diff seals, there was no vibration before the seal replacement. now a noticeable vibration. checked rear u-joint saddle for miss alinement, but is in correct position. Vibration subsides some after 65mph. -
Answer 1
If you replaced the pinion seal, did you torque the 'yoke' retainer nut correctly? -
Comment 1
I torqued it at 140 '# -
Answer 2
if its one piece drive shaft no it doesn't,double ck you work b4 you damage the diff gears -
Comment 1
It's not a 1 piece shaft...has a slip joint and mount mid way back from trans -
Comment 2
Long bed pick up would have been useful info! Bunch of S-10's!!! All u-joints have got to be in line with each other! Did you separate the shafts? -
Comment 3
it's not a long bed, but is extended cab and all joints are in line -
Comment 4
Same difference!! No other way to "time" a u-joint. -
Comment 5
I called a Chev dealership and there service dept said it needs timed...remove rear joint from saddle and turn diff yoke 180 deg -