A: You are correct that there is no indicator for front differential service since it is part of the transmission (transaxle) ...

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 ...

Q: My 2019 Acura MDX has 41,000 miles, and the maintenance minder is showing a B1 code, which I know is just an oil change and tire rotation service. Last year, I had the rear differential fluid ...