GM Full-Size Trucks 1970-1979 Repair Guide

Front Driveshaft

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REMOVAL & INSTALLATION



Chevrolet and GMC use U-bolts or straps to secure the driveshaft to the pinion flange. Use the following procedure to remove the driveshaft.

  1. Raise and safely support the vehicle with jackstands.
  2.  
  3. Scribe alignment marks on the driveshaft and the pinion flange to aid in reassembly.
  4.  
  5. Remove the U-bolts or straps at the axle end of the shaft. Compress the shaft slightly and tape the bearings into place to avoid losing them.
  6.  
  7. Remove the U-bolts or straps at the transfer case end of the shaft. Tape the bearings into place.
  8.  
  9. Remove the driveshaft.
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  11. Installation is the reverse of removal.
  12.  
  13. Make certain that the marks made earlier line up correctly to prevent possible imbalances. Be sure that the constant velocity joint is at the transfer case end.
  14.  

 
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