a343f transfer case

zimm

Expedition Leader
is the case from a 97 80 a direct bolt to an 01 100? i know you can swap the backhalf of the case, but im wondering if there are any other differences. (electronics, shaft spline, who knows, etc)

both years use an a343f automatic.

reason is, mine has a clunk and id like to add the reduction gears, and the viscous coupling from the 80, but if an 80 case is a direct swap, i'll just rebuild an 80 case. why bother with the downtime.
 

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