Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks
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Center bolt shown in u-joint assembly - what is its function? Torque requirement? What size washer and thickness? Is not mentioned in detailed u-joint assembly instructions from Filling Station, yet shown in their illustration. Appears to limit back and forth sliding of u-joint on transmission spline.
P.S. Thanks to all who advised on speedometer gear replacement. Turns out it was damaged because this bolt came loose!
That bolt secures the u-joint to the transmission mainshaft. As you have learned, fore and aft movement of the joint is bad. A thick flat washer is used with the bolt. I have never torqued one them. I just tighten until it squeaks and ad 1/8 turn.
Mike
Many Miles of Happy Motoring
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