Is there a way that you can determine if your auto hubs are locked down? I thought you could spin the front axle but I tried. Maybe I did something wrong. Can someone tell me how I can definately know? 1990 GMC Jimmy 350/TH700R4/NP241/10 bolts, 4" skyjacker lift, 35x12.50R15 BFG All Terrains on 15x10 AR Baja's, Flowmasters.