Posted on 2/25/2016
Tennessee residents may have heard that vehicles don't need their oil changed as often as they used to. That's true. But it's not the whole story.Owing to improved engine technology and higher oil quality, most newer vehicles can go longer between oil changes than their older counterparts.So what is a good time interval for oil changes? How do Tennessee residents know when to change it? And why do we change it in the first place?Oil lubricates a vehicle's engine, which protects it from friction damage. Over time the oil can collect dirt and contaminants that inhibit its performance. But dirty oil isn't the only problem for Tennessee residents. What you really want to avoid is called oil sludge.Oil sludge is caused by moisture in the oil and by hot spots in your engine that burn off oil. This sludge is a gooey gel that can clog engine passageways, which can block lubricants from reaching vital engine parts. The result can be engine wear or even engine failure.Sludge forms rapidly in an ... read more