third spring replacement in the transfer case since new

Had this spring replaced last year back at it again

This truck has been a pos since new. Had transmission reprogrammed twice in the first 10k, Had new exhaust manifold at 27k a new engine at 32k new front hubs/bearings at 45k, 90k 107k have had the transfer case rebuilt by two different shops in 3 years ( not off road ever) same issues the chain spring falls apart Now in the shop for a rebuild on the transfer case, broken spring.