Blown Head Gasket Test - Any Make/Model

▼Parts and Tools Listed Below▼
The blown head gasket test kit will work on any make or model, is cheap and easy to use, and is reliable. The head gasket typically seals the engine block to the cylinder heads, but with a leak, the exhaust gasses created in the cylinders can leak into the cooling channels.
Typical symptoms of this are:
Loss of coolant over time with no notable leaks
White Exhaust
Seeing bubbles in the cooling system
Milky substance in engine oil
Overheating
Engine misfiring
Usually the head gasket will be damaged in the event the engine over heats, this may cause the engine block to warp and no longer seat perfectly with the cylinder heads.
There are many ways to test for a blown head gasket, but the block tester method is sensitive, reproducible, and cheap. If the blue tester fluid runs out, you can always run the test using plain water and just look for bubbles being created, this is less sensitive but will work for significant leaks.
▼Parts▼
Block Tester: amzn.to/3zxGQYJ
Works with any make or model of car, even works on people.
#rangeroversport #LR3 #rangerover #landrover
Disclaimer: Due to factors beyond my control, I cannot guarantee against improper use or unauthorized modifications of this information. I (Hazy) assume no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. I (Hazy) recommend safe practices when working on vehicles and/or with tools seen or implied in this video. Due to factors beyond my control, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not Hazy.
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[@WalkingRedFlagStudio]

Thank you so much. After testing my own oxygen i did in fact confirm, that i am indeed dead inside.

[@HazyJay]

It happens to the best of us 😅

[@mattlawson3750]

Thank you brother. You've helped me so much and you literally make the best how to's on KZbin hands down

[@bernelnery2191]

Wow. Another great video, this time science is applied. I learn a lot today after watching several videos. Just a week ago, my thermostat, water pump and a couple of hoses replaced in the cooling system. I got really worried but hopefully that did not cause any blown gasket. I would have heard from my Land Rover Specialist. But with this test, I can test my other vehicles. I have LR3 HSE 2006

[@erno9248]

Thanks for the lessons...

[@GRPE696]

Great video. Thanks.

[@hambone8528]

Grate video!

[@rrshse6704]

Brilliant. Thanks ! :)

[@droboyjr]

I did a co2 test on a 06 Lexus gx470 today. Coolant was getting really hot 237F before I shut it off. So I checked to see if coolant was low. What I found was diluted coolant and it bubbling out of the radiator when I started it back up with rad cap off. Thing is, it didn’t fail the co2 test. Is it possible for a leak coming from intake side/compression stroke and entering the coolant cause it not to fail co2 test but still be technically a blown head gasket?

[@Robolaralobarar]

What if the bubbles are caused by something else? Mine seem to be coming in from the top thin hose into the expansion tank.

[@viral-spiral2889]

dang never knew such a thing existed

[@allfalse16]

What will happen if the testing fluid leaks into the coolant? Is it safe to be in there?

[@sgbabyflex]

Hello. I did this on my 09 lexus ls460 and it never changed color. I have a light white smoke coming from my exhaust. Could I still have a blown gasket even if it passed the test? It's very faint and I have to really try to see it. Also it smells like gas . I don't smell antifreeze . Thank you Sir. I just subbed

[@HazyJay]

White smoke is usually just water vapor (depending on the temp/humidity of where you are), you can tell this is what it is if you drive around and everyone has the same smoke coming out. Coolant burning usually produces a black smoke. I think if your test kit didn't change color you should be good 👍👍

[@sgbabyflex]

@@HazyJay this is so assuring. Everyone kept telling me I had a blown head gasket and when I did this test I felt so much better and then felt like I did it wrong since it didn't change color . It also had no bubbles so i should be good. Thanks again for the reassurance and helping us noobs out!!

[@stalekristiansen2942]

Hi, my 2011 Subaru STi got oil in the coolant, and i took the test but it went more green like the video you showing, what can be the issue?

[@johnsteenland1292]

That sir is a blown headgasket, which unfortunately Subaru is notorious for

[@dhangejr]

So if it does not change can I just put the fluid in a new bottle and save it for next time ?

[@HazyJay]

Yes!

[@christinagoodwin3754]

If my thermostat is bad will it turn it only if it's a bad head

[@HazyJay]

A bad thermostat wouldn't cause the color to change

[@semihyilmaz4699]

Do you know if this method works to detect head gasket problem when there is oil in the coolant?

[@HazyJay]

It should work, as oil in the coolant usually implies that gasses are getting into the coolant as well. Oil in the coolant is usually a sign of a severe head-gasket issue.

[@semihyilmaz4699]

@@HazyJay Thank you very much.

[@HazyJay]

Remember that oil floats on water, so you should physically see oil on top of the coolant as well if it's mixing into the coolant.@@semihyilmaz4699

[@Adosewithrick]

Whats it mean if it turned baby blue

[@HazyJay]

You might have sucked in some coolant. As long as it's not yellow you should be good.

[@dalton111111111]

Wilp this work if car won't start

[@HazyJay]

No unfortunately