Last updated on December 20th, 2023 at 03:48 am

I haven’t seen anybody that wants to experience a blown head gasket. My reason is that this kind of malfunction can cause a lot of problems which includes engine misfires and oil leaks.

However, you have the option to replace the entire head gasket or better still, utilize a head gasket sealer.

Though this depends on the circumstances, it will be a much cheaper alternative to use a head gasket sealer to correct the problem.

In today’s post, we’ll talk about the pro and cons of head gasket sealers since there are various head gasket sealers in the market so that you can be able to choose the best.

I will also discuss the following question in the course of our discussion: will head gasket sealer ruin an engine, can head gasket sealer damage the engine, how to use bars head gasket sealer and finally best head gasket sealer 2021. So with those in mind let’s get started with this post.

Faster fix

It is known that head gasket sealers have the ability to provide fast fixes to leakages on the blown head gasket and a leak on your car head gasket.

When you are travelling to another state for example, and you couldn’t find any gas stations, and suddenly, your head gasket gets blown, what will you?

Once you’re in a situation like this, what you need is a head gasket sealer.

Once it is applied well, it will stop the leakage and prevent your engine from knocking.

Very affordable

Indeed, most quality head gasket sealers in the market are relatively cheap. This is especially if you compare them to the cost of changing your head gasket.

Note that you can get a permanent solution to your head gasket issues depending on the gasket sealer’s brand you purchase.

It saves you time

Indeed, it doesn’t take time to apply a sealer to a blown head gasket. Within one hour of pouring the sealer inside your car radiator, the problem will be fixed.

Also, you can still use the head gasket sealer to rectify the vehicle’s heater core and freeze plugs too.

Cons of Head Gasket Sealer

It gives issues

Sometimes the head gasket sealers can be problematic. Whenever you pour it into your vehicle, it can react with the heat and leaves powdery deposits that build up over time. Also, once you do not know how to use the products, the head gasket sealer can end up reducing the thermostat’s performance.

Compatibility issues

Sometimes it has compatibility issues since the head gasket sealers work with specific engines. There’re some sealers that are meant for diesel engines only. Note that using such a product means that the effects of the sealer may fade in little or no time.

Best Head Gasket Sealer

It is due to overheating, which is caused by a damaged head gasket that makes drivers want to get sealers. The bars head gasket sealers helps to eliminate this problem. This comes with refractory fibres and aramid that gives the strength to bulletproof vest and heat. Below are some of the best bars head gasket sealers in the market:

K-Seal Coolant Leak Repair you can read more about K-Seal here where you I wrote full detail guide everything you need to know about it with guide on how you can use it.
BlueDevil Head Gasket Sealer you should also more about BlueDevil sealer here where you I wrote full detail guide everything you need to know about it.
Gasgacinch Gasket Sealer and Belt Dressing
Steel Seal Blown Head Gasket Fix Repair Sealer

Will Head Gasket Sealer Ruin An Engine?

The answer to this is no! As long as you make use of the right head gasket sealer and then apply it correctly. This is because the particles of head gasket sealer are very small so they cannot interfere with your engine’s components. However, ensure to use a head gasket sealer from a trusted brand.

Best head gasket sealer 2021

The Steel Seal Blown Head Gasket Fix Repair Sealer

This is easy to use a sealer that works better for both diesel and petrol engines. This product helps in solving issues related to head gasket leaks.

Pros

Very easy to use
It eliminate overheating issues
It improves your vehicle mileage
It minimizes smoke emissions and oil consumption
It performs better for old trucks that cannot hold water

Cons

It can be expensive
The sealer only work better if you flush the engine first

A more detailed review of this product can be found here in this other article.

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K-Seal ST5516 HD

Here is another affordable sealant that solves common issues fast, and it can blend easily with antifreeze. This product has the power to remove tapping or flushing and also rectify other issues such as heater cores, freeze plugs, warped gaskets, and cracked heads.

Pros

It is a permanent solution to coolant leak repairs
It mixes well with all antifreeze
It does not need engine flushing or draining
It fixes multiple problems
Very affordable

Cons

The sealant might not perfectly work well you if your head gasket has extensive damage
It sometimes discolors some brands of antifreeze

This is another head gasket sealer that is very good which has ASTM standards and seals any blown head gasket permanently. It’s easy to use and very safe.

Pros

Its a permanent solution that works better during any weather condition
It prevents coolant leaks
It prevents the loss of radiator fluids
It helps with resolving cold start rough idle

Cons

There might be problems with the thermostat after using this product
It has the ability to block the cylinder tubes and passages

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How To Use Bars Head Gasket Sealer

First, ensure your car engine is cold
Take off the vehicles radiator cap the moment the engine is cold
Make sure to shake the head gasket sealer container
Pour bars head gasket sealer to the radiator
Try to top off the radiator with coolant
Next, start the engine
Now set up the heat to maximum making use of the climate control buttons on your car dashboard
Make sure your engine RPMs is at 1000 for at least 15 minutes.
Now you can turn off your engine and allow it to cool down for at least an hour.

Can Head Gasket Sealer Damage The Engine?

The answer to this is no! As long as you make use of the right head gasket sealer and then apply it appropriately the right way.

And you use K-Seal or BlueDevil Head Gasket Sealer you leak issues as they are my best they are both not a particulate sealing agent, so it will not harm your engine but create a permanent solution to leaks.

Conclusion

Currently, on the market, there are lots of head gasket sealers that claim to be the best solution to your blown head gaskets.

But in this pros and cons of head gasket sealer write-up, you have the chance of deciding on what works best for your engine.

History Of Subaru Head Gasket Problems(Quick Fix, Cuases & Symptoms)

Jeffery Ekweghi

Hi dear, my name is Jeffery Ekweghi, and I am a certified mechanic and autobody parts technician. I created this site to share my expertise and experience with car lovers looking to resolve their car-related issues. I am certified in private cars and heavy-duty commercial vehicles. I have worked as a mechanic since 2015 and have experience in vehicle brands like Subaru, Jeep, Toyota, TATA, BMW, Mazda, Honda, Nissan, Kia, TVs, and Others; however, I primarily specialize in Toyota vehicles.