How to Change Your Rear Differential Fluid - 1973-87 Chevy & GMC

The video covers how to change your rear differential fluid on a 1984 GMC Jimmy / Blazer squarebody truck. I used 80W90 gear oil for this application.

You will need
-Drain Pan
-Standard Socket Set
-RTV Gasket Maker
-Torque Wrench
-Gear Oil