The 2016 GMC Sierra HD lineup is equipped with the Eaton Locker automatic locking rear differential, and it comes in handy during times where getting traction can be difficult. It’s what GMC refers to ...

GKN Driveline has begun production in the United States of a new electronic differential lock for two- and four-wheel-drive vehicles. The new unit is easier for drivers to use, locks faster and ...

Driving with the diff lock engaged on dry pavement isn't just a bad habit. It's a quick way to strain your drivetrain and make the whole car feel off. The tighter the corner, the worse it gets. Your ...

One of the things that Tesla is known for, apart from its loud-mouthed CEO, is its cars’ ability to get better over time thanks to over-the-air software updates. Anything from throttle response and ...

You push a truck hard enough – even a heavy duty model – and something’s going to give. When mechanic Dave Adair cracked the diff locker on his 2007 Chevy 2500 HD, he decided to step up to something ...

It’s the little button marked with an 'X' and an axle, usually positioned near the gear shifter that most suburban drivers will never use in the life of their car - still, we all love to know that we ...

We take our differentials for granted, right? Of course, we expect our vehicles to navigate turns without scrubbing the inside tires or hopping the outside ones. But how does a diff do that? Look for ...

The world of four-wheel-drive vehicles can be overwhelming for many buyers, especially when trying to distinguish between the different capabilities of utes and SUVs. Both styles of vehicles are ...