ok so i took the cover off today to find out what gear i had in my car because marking the drive shaft and seeing how many times it spins just didnt work.so i ttok it off and found out its a 3.73 but i also seen that a few bolts were broken and that when i spin 1 wheel by hand the other one does not move if anyone knows anything about lockers and gears let me know what the 2 broken bolts might be doing.you can see 1 of the pics the head is broken off the other one its broke deep inside and just hanging.the car was not making any noise at all i just took it off to see what gear ratio i had in the car and this is what i would