Does Flex Seal Work on Car Engines?

Flex Seal is a liquid rubber sealant that is often used to repair leaks in roofs, gutters, and other surfaces. It is also marketed as a sealant for car engines. But does Flex Seal really work on car engines?

The answer is: yes, Flex Seal can work on car engines. However, it is important to note that Flex Seal is not a permanent solution for engine leaks. It is a temporary solution that can be used to stop a leak until you can get your car to a mechanic.

If you are considering using Flex Seal to repair a leak in your car engine, there are a few things you should keep in mind.

1. Clean the surface

Before applying Flex Seal, it is important to clean the surface of the leak. This will help the Flex Seal to adhere to the surface and create a strong seal.

2. Apply Flex Seal liberally

When applying Flex Seal, it is important to apply it liberally. This will help to create a thick seal that will be more effective at stopping the leak.

3. Allow Flex Seal to dry completely

Once you have applied Flex Seal, it is important to allow it to dry completely before driving your car. This will help the Flex Seal to cure and create a strong seal.

4. Monitor the leak

After you have applied Flex Seal, it is important to monitor the leak. If the leak continues, you may need to apply additional Flex Seal or take your car to a mechanic.

Conclusion

Flex Seal can be an effective temporary solution for stopping leaks in car engines. However, it is important to note that it is not a permanent solution. If you are experiencing a leak in your car engine, it is important to take your car to a mechanic to have the leak repaired.