What is a Limited-Slip Differential (and What Type of Gear Lube Should I Use)?

Your differential allows you to corner safely while putting maximum traction to the ground. Here’s how it works, and what kind of gear lube to use.



How Often Should I Change Front or Rear Differential Fluid?

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How often you should change front and rear differential fluid depends on your vehicle, driving conditions and differential fluid quality.



The New SEVERE GEAR Easy-Pack Makes Changing Gear Oil Easy

Changing gear oil in differentials and manual transmissions is critical for smooth operatation and reduced maintenance. But professional mechanics and DIY enthusiasts agree: changing gear oil is a hassle.