Jeep CJ 1945-1970 Repair Information

Front and Rear Driveshafts

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See Figures 1 through 6

REMOVAL & INSTALLATION



In order to remove the front and rear driveshafts, unscrew the holding nuts from the universal joint's U-bolts, remove the U-bolts and slide the shaft forward or backward toward the slip joint. The shaft can then be removed from the end yokes and removed from under the vehicle.



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Fig. Fig. 1: After matchmarking the driveshaft and yokes, remove the U-bolt nuts ...



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Fig. Fig. 2: ... then remove the U-bolts from the U-joints



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Fig. Fig. 3: Slide the driveshaft toward the slip joint and lower it from the yoke



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Fig. Fig. 4: While supporting the back end of the driveshaft, remove the flange nuts ...



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Fig. Fig. 5: ... then pull the driveshaft off of the parking brake drum flange



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Fig. Fig. 6: Exploded view of the driveshaft and universal joint used in all 1945-70 Jeep models

Each shaft is equipped with a splined slip joint at one end to allow for variations in length caused by vehicle spring action. Some slip joints are marked with arrows at the spline and sleeve yoke. When installing, align the arrows. If the slip joint is not marked with arrows, align the yokes at the front and rear of the shaft in the same horizontal plane. This is necessary in order to avoid vibration in the drive train. Tighten the U-bolt nuts to 15 ft. lbs. (20 Nm).

 
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