The importance of Engine Oil: the sweet fluid that keeps your car running smoothly

I work a lot of long hours. I start early and often finish late, and as anyone around me (particularly my wife) knows, I drink a lot of coffee. It’s the sweet black elixir that keeps me going and helps me through the day.

image of engine oil

Speaking of precious elixirs (You were waiting for that, weren’t you?), engine oil—commonly known as motor oil—is the same thing for cars. Your car’s engine is a series of complicated, hot, fast-moving parts, and engine oil is what keeps all those parts lubricated and running smoothly. As the parts heat up, so does the oil, so it’s very important to have the right type of motor oil, in the right amount, and keep it changed regularly.

The bottom line is, pay attention to the specifications in your owner’s manual and you’ll be happier than my wife during a sale at Macy’s. Buy the correct type of engine oil, in the correct weight. Some manufacturers specifically recommend synthetic motor oil, and if you use a different kind, it could void your warranty. Weight has to do with the temperatures in which you run your car (winter or summer) and also how thick the oil becomes when heated. Bear in mind that you don’t want it too thick when it’s cold or too thin when the engine heats up. This is particularly important in new cars, where the tolerances (gaps between moving parts) can be extremely thin, so you want to make sure the oil isn’t thicker than recommended.

If you’re committed to a lot of do-it-yourself jobs, changing your own engine oil is very easy and relatively painless (although it can get really messy) but even if your mechanic changes your engine oil as a part of your regular service, it’s never a bad idea to keep a quart in your car and do a quick check of your oil levels when you fill your tank up…just be careful, as your engine gets VERY hot and its really best to check oil when the engine is cooler. So make gassing up and checking oil your first stop.

Just make sure the motor oil quart has certification on it from whatever your manual recommends: likely the SAE (Society of Automotive Engineers) and preferably the API (American Petroleum Institute). They regulate and make sure the oil is of good quality and thickness.

The bottom line is, your car needs engine oil the way you need water (or I need coffee). It’s very easy to keep an eye on the engine oil and change it regularly for many years of happy, reliable engine life. Happy motoring.

 

Editor’s Note: Advance Auto Parts can assist you in finding the optimal engine oil, plus all of the right tools such as jacks, oil drain pans, gloves and more—to ensure the job goes smoothly. On top of that, Advance Auto Parts also recycles used motor oil.  So after you perform an oil change, bring your used oil back to the store for clean and easy recycling.

 

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