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.



More AMSOIL Products Available in the Award-Winning Easy-Pack

Sometimes an idea so great comes along it makes some wonder, “Why didn’t anyone think of this sooner?” Case in point: AMSOIL easy-packs.



How Often Should I Change Front or Rear Differential Fluid?

Chevrolet silverado 1500 Towing Camper

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



Should I Change Fluid in a Filled-for-Life Transmission?

Automatic transmission

Casual motorists generally take no interest in crawling under their vehicles on a Saturday afternoon. And, when was the last time you heard someone express excitement over dropping their car off at the dealership for maintenance?



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.



8 Overlooked Maintenance Services that Can Help Extend Vehicle Life

old vw beetle maintenance

Despite the hassle and cost of unplanned maintenance, too many of us neglect our vehicles until something fails. These eight often overlooked services can not only help avoid expensive repairs, they can boost vehicle performance, too. Change Transmission Fluid Changing motor oil is the poster child for good vehicle maintenance, and for good reason. But

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