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 ...

A differential plays an essential role in pushing or pulling a car in a straight line and efficiently and comfortably moving it through a corner. Basically, it’s a device that allows two sides of an ...

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 ...