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#56841 02/21/2006 2:20 PM | Joined: Sep 2003 Posts: 343 Member | | Member Joined: Sep 2003 Posts: 343 | As you all can tell from my rercent posts that I am rebuilding my 3/4-ton drive shaft setup. My question is there any rule about the indexing of the three u-joints relative to each other?
Jim
1954 GMC 1/2-ton Longbed
1971 Pontiac LeMans Sport
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#56842 02/21/2006 5:34 PM | Joined: Dec 2003 Posts: 2,733 Shop Shark | | Shop Shark Joined: Dec 2003 Posts: 2,733 | Absolutly. Drivelines must be in "phase" with one another. This means that the yokes on each end have to be inline with each other and in the case of a 2-3 pc. driveline place the slip yoke on the reat shaft so that it's putting the yoke on the opposite end exactly in the same line as the u-joint yoke ahead of it. Hope this makes some sense. I will re-write it after having a chance to think about it more and see if I can say it more clearly. The main thing is that all joint yokes must be in the same position relative to each other. Failure to do otherwise will ruin the shafts and cause tremendous vibration while it lasts.
If you still have questions check your local Spicer dealer and see if they can fax you a drawing or sketch. | | |
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