GM Full-Size Trucks 1980-1987 Repair Guide

Flywheel and Ring Gear

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REMOVAL & INSTALLATION



The ring gear is an integral part of the flywheel and is not replaceable.

  1. Remove the transmission.
  2.  
  3. Remove the six bolts attaching the flywheel to the crankshaft flange. Remove the flywheel.
  4.  
  5. Inspect the flywheel for cracks, and inspect the ring gear for burrs or worn teeth. Replace the flywheel if any damage is apparent. Remove burrs with a mill file.
  6.  
  7. Install the flywheel. The flywheel will only attach to the crankshaft in one position, as the bolt holes are unevenly spaced. Install the bolts and torque to specification.
  8.  

 
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