This is a DIY on how to replace broken rear wheel studs on a Infiniti I30
Once you have the car on jack stands safely then you start by removing the rear brake caliper and the bracket then the rotor will slide off .
Once you have the rotor off then with a heavy hammer you can punch out the studs . If one or more broke you might as well replace them all on the one side while you are there .
With a impact or a torque wrench make some kind of buffer so that when you pull in the wheel stud that you have the back flush . If you need a flash light use it and make sure you see no cracks cause when you put the wheel on you want to make sure you have a true tightness . DO NOT USE ANTI SEIZE - You can see I used over sized nuts to fill in the space .
Once you have them secure you might as well clean your brake hardware and grease them if you need rear brakes now is a good time to replace them take advantage of this situation while you have your car apart .
Then put everything back .
Check in a week to make sure lug buts are tighten .