Differential replacements are expensive, often ranging from $2,500 to $6,000. However, both front and rear differentials are typically covered under powertrain warranties. Provided you’ve kept up with ...

Oil in a car is definitely not one-size-fits-all, and using the wrong oil for either the engine, transmission, or ...

For years, automotive enthusiasts have been skeptical of “lifetime” fluid claims. Fluids will degrade over time thanks to heat, oxidation, contamination and other factors. Maybe an advanced fluid can ...

As far as car fluids go, differential oil is one of the most neglected pieces of maintenance. It could be because the effects of not changing differential fluid on time aren't as immediately obvious ...

Let's be honest, the average person has never thought about whether differentials even have fluid. They're not like engines, which require oil changes after about 5,000 to 10,000 miles (or 12,500 if ...

The mad scientists from Garage 54 have moved to making clear covers for more parts of a car. Watch how oil flows in a rear differential through a clear plastic cover. This serves as a reminder that ...

The small case 168 differential on the four-cylinder petrol BMW 1 Series and E90 3 Series ranges is a bit troublesome. There is no obvious reason for this to be so – it is a very well-made unit, ...

For those looking to improve cooling for their pickup truck's rear axle and provide more strength, better performance and/or ease of use with a new differential cover, there are a variety of ...