hello i have a 90 4 runner 3.0 v6 it had a automatic in it i took that out and put a 5 speed in it and i put hubs on it last winter the four wheel drive would not work so i messed with the vaccume suff on the left fender and it started working so this year i went and locked the hubs in to go play in the snow and the front end makes a grinding sound than a bang it sounds like the front end is going to fall out of it and it pulls really bad to the left and if i unlock the hubs it is fine any help wood greatly appreciated thanks alot gordy