In a rear-wheel, or four-wheel drive vehicle, the differential oil change is probably one of the most overlooked routine maintenance items there is. Luckily, changing this thick, rich-smelling oil is ...

Q: The owner's manual of my 2004 Honda Pilot recommends regular changing of the "VTM-4" rear differential fluid, which costs more than $100 each time. Is frequent replacement really necessary since I ...

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 ...