Isuzu Cars and Trucks 1981-1991

Flywheel and Ring Gear

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REMOVAL AND INSTALLATION

The ring gear is an integral part of the automatic flywheel and is not replaceable. The manual transmission ring gear is removable. The ring has to be heated with a torch and stretched onto the flywheel. This procedure should be performed by a qualified machine shop.

  1. Remove the transmission as outlined in .
  2.  
  3. Remove the six or eight 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.
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  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 found in the beginning of this Section. Tighten bolts in crisscross pattern.
  8.  



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Fig. Flywheel torque sequence

 
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