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Rebuilding An Nv4500 Second Gear

This is our Second Gear (left) pictured next to our new RSG Second Gear. Jacobson found that the drive ring on the First to Second Gear single-piece synchro was worn into the teeth on Second Gear. Also, where the shift collar engages into the teeth of the gear, the teeth were chipped. This was most likely due to forcing the unit into gear before the synchro had caught up to the gear.
Rebuilding an NV4500 Manual Transmission

 This is our Second Gear (left) pictured next to our new RSG Second Gear. Jacobson found that the drive ring on the First to Second Gear single-piece synchro was worn into the teeth on Second Gear. Also, where the shift collar engages into the teeth of the gear, the teeth were chipped. This was most likely due to forcing the unit into gear before the synchro had caught up to the gear.  View Related Article

 

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