Transmission & Repair
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Engine Oil
Most cars on the road today use multi-grade oil — one that can work efficiently in cold and hot weather. A multi-grade oil is rated by two numbers, such as 5W-30.
About the oil classification system.
Each engine oil comes with a classification indicating its viscosity, which is its friction or resistance to flow. In a multi-grade oil, the first number indicates how the oil will flow when it is cold. The lower the number, the lighter the oil and the better it will perform at lower temperatures. The second number indicates the thickness of that same oil at high temperatures. For example, a 5W-30 oil will flow as a 5-weight oil at zero degrees Fahrenheit and as a 30-weight oil at 210 degrees Fahrenheit
Why viscosity is a concern.
During cold starting, only a small amount of oil is present in the upper parts of engines. To lessen the friction when upper engine parts, such as the valve train, pistons, overhead cam and cam bearings, scrub against each other, a lower viscosity allows the oil to reach the components more quickly.
Why 5W-30 and 5w-20 oils are so popular.
Many vehicles today leave the factory with 5W-30 or 5w-20 engine oil. Vehicle manufacturers recommend them because they are lighter oils that perform well in a range of temperatures and help improve gas mileage.
Synthetic Oils
- Higher viscosity stability over a wider temperature range
- Reduced oil thickening
- Reduced wear and increased load-carrying ability.
An Oil Change Can Really Change Your Mood. And It Will Definitely Change Your Oil.
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One of the simplest, most effective and inexpensive ways to help protect the life of your car, especially its engine, is to change the oil and the oil filter regularly.
Oil is the lifeblood of your engine. It reduces friction, lessens wear, provides lubrication, forms a seal between the pistons, rings and cylinder walls while helping to cool engine parts. Without the cleaning action of new oil, carbon and varnish buildup would be toxic to the engine. And engine oil even dampens the shock and noise of moving parts.
With a Car Repair Service oil change, or any other service, you’ll receive a Touch® Courtesy Check. We’ll look inside, outside, under the hood and underneath the car, then explain the findings and give you a written report.
While you’re there, let us perform a Touch® Courtesy Check, which includes a visual check of the following items:
- Engine air filter
- Brake fluid
- Power steering fluid
- Automatic transmission fluid
- Coolant/antifreeze
- We’ll also walk you through your vehicle manufacturer’s recommendations for replacing these vital fluids and filters.
Oil change near me? The next time you ask this question, just look for your neighborhood Car Repair Service.
