Gl4 Vs. Gl5: What Is The Difference?

If you are looking for the difference between Gl4 and Gl5 gear oil, you have come to the right place. Gl4 and Gl5 gear oil is not the same, and there are some important differences that you should know about before making a decision on which one to use.

What Does GL Stand For In Oil?

The most common question we get asked is “what does GL stand for in oil?” and it’s a great question. While the answer may seem obvious at first, there’s a lot more to it than just that. Here’s a quick rundown of what GL stands for and what it means for your car.

GL stands for Gear Lubricant. It’s a type of oil that’s specifically designed for use in gearboxes and differentials. It’s thicker than regular engine oil and has special additives that help protect the gears from wear and tear.

While you can use regular engine oil in a gearbox or differential, it’s not ideal. The thicker viscosity of gear oil helps to keep the gears lubricated and prevents them from grinding against each other. The additives also help to protect the gears from corrosion and excessive wear.

If you’re unsure whether your car requires gear oil or not, check the owner’s manual. Many newer cars don’t require gear oil, but if your car does need it, it’s important to use the correct type. Be sure to check the specifications to ensure you’re using the right oil for your car.

What Is GL5?

In short, GL5 is a gear oil specification that is more stringent than GL4. GL5 gear oils contain additives that provide better protection against wear and corrosion, making them ideal for use in heavy-duty applications or in gearboxes that operate under high loads or in wet conditions.

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Frequently Asked Questions

1. What is the difference between GL4 and GL5?

The main difference between GL4 and GL5 is that GL4 is a lower viscosity oil that is designed for use in manual transmissions, while GL5 is a higher viscosity oil that is designed for use in automatic transmissions. GL4 oil is also sometimes referred to as “synchromesh” oil.

2. What are the benefits of using GL4 oil in my manual transmission?

GL4 oil is designed to provide better shifting performance and protection in manual transmissions. The lower viscosity of GL4 oil means that it can flow more easily and provide better lubrication to the gears in your transmission. This can lead to smoother shifting and reduced wear on your transmission components.

3. What are the benefits of using GL5 oil in my automatic transmission?

GL5 oil is designed to provide better protection for your automatic transmission. The higher viscosity of GL5 oil means that it can provide a thicker layer of protection for the gears and other components in your transmission. This can lead to reduced wear and longer transmission life.

4. Which type of oil should I use in my manual transmission?

GL4 oil is the recommended type of oil for use in manual transmissions. The lower viscosity of GL4 oil can provide better shifting performance and protection for your transmission.

5. Which type of oil should I use in my automatic transmission?

GL5 oil is the recommended type of oil for use in automatic transmissions. The higher viscosity of GL5 oil can provide better protection for your transmission.

Gl4 Vs. Gl5: What Is The Difference?

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Must Read

-Gl4 oils contain additives that help protect against wear and tear, while Gl5 oils do not.
-Gl4 oils have a lower viscosity than Gl5 oils, meaning they are thinner and flow more easily.
-Gl4 oils are typically used in gearboxes, while Gl5 oils are typically used in differentials.
-Gl5 oils may cause gear slippage in gearboxes that are designed for Gl4 oils.
-It is important to check your vehicle’s owner’s manual to see which type of oil is recommended.

Conclusion

Thanks for reading! We hope this article helped clear up any confusion you may have had about GL-4 and GL-5 gear oils. As a recap, GL-4 oils are designed for use in lower gear applications where there is less stress on the gears. GL-5 oils are designed for use in higher gear applications where there is more stress on the gears. Both oils have their own benefits and drawbacks, so it’s important to choose the right oil for your specific application.

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