Hey Im new here and looking for help. I got a 96 GMC suburban 1500 that is not only my work truck but the family travel truck. Now she has 246k on the dash the original motor and tranny but 2nd rear end. Dont have the money for another used 1 plus labor. This 1 pinion bearing are threw. The shaft is loose at the rear and leaking. Anything you can tell me like how to replace it, the steps, a how to would be greatly appreciated..