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Does it matter which way my rear driveshaft goes in?

 
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Old 07-18-2010, 08:30 PM
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Does it matter which way my rear driveshaft goes in?

My first time doing u joints and I forgot which way the axle goes...Thanks
 
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Old 07-18-2010, 08:39 PM
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The slip joint goes closest to the transmission.
 
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Old 07-18-2010, 08:44 PM
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Ya I know that but I took it off the shaft and was wondering if it matters what side it goes on
 
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Old 07-18-2010, 09:52 PM
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That is why you mark the two pieces before you take them apart. They need to be put back together "in phase", meaning the two yokes at opposite ends are parallel to each other. This will balance the shaft while it spins otherwise it may wobble.
 
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Old 07-19-2010, 03:49 AM
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It should go back the way it was when removed. I would have marked it as well.

Look on the driveshaft for stripes. Mine has 4 on the front and 2 on the back.
 
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Old 07-19-2010, 08:43 AM
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Ironic you would ask this question. After reading several replies I went out to my '92 F-350 to take a look see...lo and behold the front drive shaft is clock 90 degrees out of phase. The yokes do not line up with each other. The rear is good, one piece hard to screw up! Looks like someone in the past has committed a mechanical sin.

This photo from Pirate 4X4 is a good example of correct (top) and incorrect (bottom) orientation:


That was clipped from this article: Driveshaft 401
 
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Old 05-07-2019, 03:15 PM
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Slip joints always go to power input side
 
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Old 05-07-2019, 06:38 PM
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+1 on clocking it correctly.
 
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Old 05-08-2019, 09:12 AM
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Probably much less of an issue being out of phase on the front vs. the rear driveshaft, tho.
 
 
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