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Channel: Oil Archives - UnderhoodService
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Why OEM Approvals Matter: Choosing the Right Engine Oil

In today’s competitive automotive service landscape, choosing the right engine oil isn’t just about viscosity or price — it’s about trust, performance, and compliance. That’s where OEM approvals come...

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Meyle offers electric transmission oil change kit for Tesla

Meyle is now offering a transmission oil kit for Tesla electric cars. The Meyle oil change kit works for Tesla Models 3, S, X and Y. According to Meyle, the kit comes with all the necessary parts,...

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GF-7 Oil FAQ

The upcoming ILSAC GF-7 engine oil specification represents a significant advancement in meeting modern engine performance demands and stringent EPA fuel economy and emissions standards. This Q&A...

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Determining The Life Of The Oil: How Do OEMs Calculate Oil Life Percentages?

Maintenance reminders for oil changes have been around since the early 1980s. Early systems from German and Japanese manufacturers looked at mileage and maybe revolutions of the engine. Today, it is...

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GM Oil Life

Since 2010, all GM vehicles have been equipped with the oil life monitor (OLM) system. The monitor calculates the percent of oil life remaining, based on 4 pathways. The OLM starts its calculation for...

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Dealing with Deposits to Boost Engine Life

Theory can take you only so far when formulating engine oil. Complex modeling is an important step, but it can’t duplicate the magic that happens inside the cylinder. Operating conditions, duty...

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Compressor Oil for R1234yf

The benefit of R-1234yf is simple: the new refrigerant lasts only 11 days in the atmosphere, compared to 13 years for R-134a. This is why the EPA required R-1234yf to be installed in all new systems...

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Oil and Carbon Deposits

In many late-model cars and SUVs, the base 1.4L engine is able to make 20% more power with 20% less displacement than bigger engines from a decade ago. Gains in power and fuel economy have been...

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Domestic Gasoline Engine Oil Specifications

I recently got talking to a lawyer about warranties for domestic vehicles and why the word “recommends” appears in the service information when it comes to oil changes. He answered that, legally, the...

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Belt-In-Oil Timing Systems

Since the adoption of timing belts by auto manufacturers began in the early 1970s, it has been pretty well beaten into our heads that oil and timing belts do not play well together. Oil contamination...

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New Oil Specifications

You may have noticed that some Toyota and Honda four-cylinder vehicles require SAE viscosity 0W16 oil. You may also have noticed it in the catalog pages or on the shelves of your oil supplier. The oil...

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Improving Turbocharger Longevity

25 years ago, owners of turbocharged vehicles had some interesting ways to improve the longevity of a turbocharger. Some owners opened the hood halfway when they parked. Other owners would let the...

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Hyundai & Kia Hybrid Drivetrain

It can be said that Hyundai was late to the hybrid game. Toyota and Honda both released hybrid models in 2000, and other OEMs had hybrids in their lineups by 2004. Hyundai’s first hybrid was...

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Severe Drivers – Yes, Your Client Probably Counts As One

You may think your customers have nothing in common with drag racer and rotary engine expert Rob Dahm, but in fact, they might be more similar than you think. Sure, the drag racer, YouTuber and rotary...

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Gasoline Cleans Engines But What Happens When It Can’t?

Everyone understands that when they’re filling their car’s gas tank they’re providing the fuel that powers their engine. But what many don’t understand are the cleaning properties that gasoline...

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Trusted for R&D and factory fill for decades

ENEOS is the largest oil company in Japan, as the “original JDM oil” they’ve been working in partnership with Asian automakers for decades. As part of this partnership, ENEOS has in-house testing...

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Pick The Right Oil Filter For Your Customers (VIDEO)

CC: You may be shortchanging your customers and damaging your shop’s reputation without even knowing it. The reason is understandable but don’t worry – the solution is simple. Oil technology has...

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Turbocharger Topics

Smaller engines, greater diagnostic opportunities. Turbochargers are not a new technology. In the 1980s and 1990s, many automakers used turbochargers on gasoline engines for performance on limited...

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Correctly Installing Cartridge Oil Filters (Video)

The subject of cartridge oil filters is anything but new, but we still must be careful to prevent mistakes during service. Some cartridge filters are identical both top and bottom, and as long as...

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Oil and Carbon Deposits

In many late-model cars and SUVs, the base 1.4L engine is able to make 20% more power with 20% less displacement than bigger engines from a decade ago. Gains in power and fuel economy have been...

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