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Username Post: powerglide yoke binding on splines
56driver
"2nd Year" Gold Supporting Member
Posts 340
56driver
08-04-19 02:23 PM - Post#2772406    

Strange problem with a stock 56 Powerglide. The original (I think) 16-spline slip yoke bound on the splines, had to be hammered on.

I bought a used one from Eckler's, same problem. Definitely binding on the splines, not the yoke OD, won't go on more than 1".

Pretty sure the binding is between the major diameter of the yoke splines and the OD of the tail shaft splines.

The yoke spline major diameter is about 1.172" measured with cheap dial calipers, which matches about nominal advertised for a new yoke.

As best I can tell the tail shaft splines are around 1.175" - 1.178". I can't see any obvious spline twist, bend, or corrosion.

So I either have two undersized yokes or an oversized tail shaft?
Jonathan Hines
Charlotte, NC
56 BA 4DR sedan undergoing rebuild

56driver
"2nd Year" Gold Supporting Member
Posts 340
56driver
09-14-19 06:06 PM - Post#2775524    

Resolved, by filing the grooves deeper in the slip yoke and sanding the o.d. of the tailshaft with 40 grit sandpaper. Driveshaft slipped right on, no hammering.
Jonathan Hines
Charlotte, NC
56 BA 4DR sedan undergoing rebuild

Mel Foye
*VIP* Original Founding Member Group
Posts 4955
Mel Foye
09-15-19 10:05 AM - Post#2775568    

Glad you came up with the answer. Mel
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