pinon nut

[robert j vailancourt]

hey folks. I have a 1978 Chevy k10 that I plow with about 10 to 15 years ago I replacer crush sleeve seal and pinion nut . this weekend while changing front u joint was bad thought job was done . backed truck out on to road and herd a real bad clunking sound .brought back into garage and jacked rear of truck of ground . rocked rear wheel back and forth and could see rear drive shaft going in and out great broke the rear end after taking down drive shaft found pinion nut came loose bought new pinion nut seal and differential cover gasket and gear oil should I just put back together truck will never see the road speeds just back and forth plowing thanks bob