The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Two-piece drive shaft phasing

**WorkinLonghorn** · 04-24-2009, 04:15 PM

I must have been asleep during this lesson.
I have a two-piece DS that vibrates and seems to go through middle u-joints too quickly.
Does anyone have a diagramn or description of how it is supposed to be phased? There is no special "alignment spline" like the haynes manual describes.
Thanks! WLH

04-24-2009, 04:15 PM	#1
WorkinLonghorn Senior Member Join Date: Dec 2006 Location: Studio City, Calif. Posts: 2,887	Two-piece drive shaft phasing I must have been asleep during this lesson. I have a two-piece DS that vibrates and seems to go through middle u-joints too quickly. Does anyone have a diagramn or description of how it is supposed to be phased? There is no special "alignment spline" like the haynes manual describes. Thanks! WLH __________________ '69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, stereo speakers, 2nd owner, Work-Truck supreme.