In the automotive world, especially when it comes to off-road trucks and SUVs, differentials come up all the time. Is your differential locking, limited slip or open? Do you have a transfer case? One ...

It has been a while since we visited our Project TraiLex on these pages, but the vehicle and the project have not been idle. We've racked up almost 8,000 miles on our Lexus GX470 since receiving it in ...

GM has issued a customer satisfaction program to fix certain units of the 2015 through 2022 Chevy Colorado pickup trucks that include a mislabeled base front differential carrier. Affected units of ...

The Bridge Formula often drives the front axle configuration (axle forward or axle back) and the rear axle spacings of your vocational truck fleet. Congress enacted the Bridge Formula in 1975 to limit ...

While it’s likely seldom done, some vehicles’ maintenance schedules do include an interval for changing the differential fluid, though perhaps only under “severe service” conditions such as frequent ...

The front diff in my 2012 Nissan Navara D40 king cab let go in a very unlikely situation. Nissan is claiming that it's not covered by the warranty. Please help. It's unusual to have a major failure of ...