Originally Posted by BlackZMamba

This was such an easy fix it's not even funny. I couldn't find the stupid recommended grease so I just used Valvoline Moly grease that was less than $6 a large tube at Advanced Auto Parts. The only thing that was somewhat pricey was the nut from Nissan ($14 and some cents per nut), and the caps and washers were somewhere a little over $4 each I believe. I got the cotter pins from them for free. I didn't remove the anxles or anything. I used a super small and thin flat head screwdriver to apply the grease and fit it and push it into the splines since i didn't have anything small and thin enough to apply it. It worked!