When it comes to periodic maintenance we tend to think tire pressure and air filters. However there is much more to consider when you own a rear wheel drive or four wheel drive. Unlike the front wheel drive vehicles, a vehicle equipped with a rear differential will need to be serviced from time to time. The video below shows the step by step instructions for the DIY guys and gals. Most rear differentials are similar so the information can be applied to just about all makes and models with rear differentials.
Labor Time Rear Differential Fluid Change – 2006 Chevy Silverado
Differential Fluid Capacity
Technical Service Bulletin – 2505329 Eaton Locking Differential Chatter Shudder Noise
A locking differential will lock both axles making them work together to provide maximum torque to the wheel with traction.