Love the visual example with the water bottle. You explain everything very well and make it easy to understand. Great video. Many thanks! 👍🏻

amazing video -- I have not been able to find anyone to explain how the reservoir gets filled or sucked -- you showed it's between the little space of the radiator cap AND you showed that there's a STRAW that goes to the BOTTOM of the reservoir and sucks it back in -- I was so confused how it can suck it up from the top when there's air in between -- AND you explained that the extra nozzle is for excess -- AMAZING -- thank you so much

Best video I've seen. Simple explanation and I even didn't have to Google how the coolant flows whether from the top or bottom hose. 👏

Well said 👌... You're a good teacher 👏👏making automotive world very interesting..

Simple, direct and straightforward and easily explained..thanks alot.

This was a very well explained video! And at 7:18 a adorable kitty popped up. Magnificent!!!

Sir thank you for sharing this. I have been babying my radiator for so long. This helped me stop constant refilling of coolant.

Clearly spoken, good English and very informative:) Thank you very much.

The best explanation ever.. keep up the good work

THANK YOU I LOVED THIS. THE EXAMPLE WAS PERFECT and even relaxing :-)

very good explanation.. i have searched many time in google to clear my doubt but u are the one u cleared my all doubt in a video.... tnkuuuu

Very Informative and well explained. Thank you

Ty very useful video. Appreciate they way you broke down and gave demonstrations. This sounds like the fix I need.

Thank you for the simple explanation.

Top tutorial, the best I ever seen, thank you sir for the tips, it was very useful for me.

You are very clear on the issues

Very well explained, thank you

From you explanation، I need an radiator. Thanks

Very Smart! Your a Genius Man:)

Wowww Thank you. This Awesome 😎 I will replace the cap. 👍🏼👍🏼👍🏼

Very informative. Keep up the awesome content sir!

Great tips about the radiator cap! showing the water bottle expansion and contraction was helpful/ You explained it all so well. thank you. so if my coolant reservoir is empty, should I fill that in my cold engine if my radiator is full? Thanks! I love how clean your engine is. :)

Thanx..tried it snd ready for weekend longtrips

Very helpful for me. Thanks a lot.

That cat at 7:15 creeped me out at first lol

good job, very informative

Thanks tito great video

Great video thanks What if my problem is not the radiator cap or a broken hose

Very vert informative... dami ko na pinanood na video about this topic ...ngaun ko lang talag naintindihan kung paano hinihigop ng radiator ung sa reservior... very nice sir... prof. Ka po ba sa school ng automotive? Napaka liwanag mo po mag explain sir...

Great explanation 🥰🥰🥰🥰

Wow, i never know why spare tank always half full until watch your video. Very good explanation on the boiling water !

Great video bit my question is where can I get that stove

@MrDIYer how long do these caps last? example like honda city ? 21000km 2.5 years old ? hot humid weather, especially now with El Nino La Nina almost everywhere? I assume the cap should be good still right ? Would i be wasting money buying a new one ?

What a great video.

very well explained .

I love you bro thanks a lot

May pusa sa makina hehehe😅😂🤣✌️✌️, tnx sir for well explained, very informative mga tuturials nyo, keep it up..

WOW! very well broken down! thanks

What if you have no expansion tank do you still use two seals? Using two seals would prevent the bottom from sealing as you are lifting it up more?

Excellent

Thank you sir

Ganda ng L2 nyu idol ah :)

Very Interesting

Well explained. Tnx

I disagree with need for double seal because the purpose of larger seal is ONLY to direct discharge water into the expansion tank. Expansion tank is OPEN to atmosphere, so there will be only slight pressure in the small rubber hose from radiator to OVERFLOW tank. You do need the single seal to overcome vacuum when radiator cools and pulls coolant from overflow tank back to radiator.

Wow that was awesome.. Thanks I’ve been noticing my reservoir is low every 2/3 months I just top it off.. a few days ago when I got home I got out of the car and I could smell coolant, looked under my car and there is drips like it’s sprayed all over half the bottom of the engine. My question to you my friend, is that a symptom of a radiator cap? It’s a 09 Subaru legacy with the original radiator cap.

hi sir do you have a video about a turbo leaking oil,, thank you

Exellent

Did the coolant in the radiator become less or just in the expansion tank?

sir, what to do when the water on the radiator is dirty or brownish same vehicle as yours mitsubishi L200 thank yo so much

Thank you for the nice informative video! My car's engine keeps losing coolant, but I see no leak from the radiator, hoses, water pump or expansion tank whatsoever. I don't see any coolant stains on my parking spot either. I thought maybe it would be from the head gasket but I if it was the case then there would be oil mixing with coolant or vice versa, and no smoke coming from the exhaust, oil level check pipe or oil addition cap. What might be the problem?

What about the overflow compartment?

Excellent Video very easy to follow thank you

Thanx for the vid. Sir, whats the difference between the 4d56 aamd 4m40 engine?

I had an overheating issue and i replaced my thermostat and then everything ok till now. My coolant is running low iam missing 300 ml in 200 km. Could it be a bad radiator cap or a bad head gasket? Also i placed my hand on the exhaust pipe and there was steam. Is it normal?

Well done but I think you forgot to mention that much smaller valve at the Centre of the radiator cap that opens from the suction (negative pressure) to allow coolant to be sucked back from the reservoir/tank

Well explained but why would the expert make the seal inefficient so that a new cap needs an old seal? If I bought a new car,the radiator cap needs an old seal? I've heard your explanation but not getting it. Respect.

Good explanation good teacher

nice video but my question is how about if you always adding a coolant and there is to leaking what is the problem?

Sir another thing, we must be aware of pressure bar rating. higher pressure bar rating can also lead to coolant loss. the more pressure can hold by the radiator cap, more coolant will evaporate inside the system.

Absolutely well explain. The other day I drove my car for more than a week, when stop at shopping centre RED Temperature light appeared on my Dashboard I checked the Reservoir completely empty also the radiator took about a litre & half of water. I did not drive again until yesterday and Red light appeared Radiator took over 2 litres of water. Got the Road Side Assistant out he said he does not think its the head casket as the car starts with no problem, he could not see any leaks under neath the motor / on the ground. How do I put the Coolant in the Radiator, if there is still some water inside and do I have to mix the coolant. I have a 4 litre of Distilled water. Please help no $$$ I'm a 74 year old Pensioner. John

the water in my coolant reservoir boils and shows too much pressure by the lid of the tank. Coolant then escapes through the lid. what could be wrong?

one question sir.. newly overhauled radiator and just replace a new radiator cap how come the radiator still loss a little amount of coolant and it is going to the coolant reservoir.. what seems to be the problem? could it be the thermostat? hope you'll answer my question sir.. thanks..

So basically you used the very top seal out of the two old seals from the old cap and put the old top seal from the old one onto the new caps seal that had one seal, making it double sealed? Is that correct?

I think you have the water going the wrong direction. The top hose is an inlet, not outlet.

My 2010 FX35 is very weird as that i'm not losing coolant at all, but all my coolant ends up in the reservoir and is not sucked back into the engine. I replaced thermostat and radiator cap but still at a loss. cars not over heating but i need at least once a week siphone the reservoid and place back into the radiator. I just installed a new new cap last night, lets see if that helps.

Great video 6:20

Thats a 4d56 💪

My coolant reservoir is empty. Is it bc engine is hot ? My temp is in the middle.

Amazing, I though my car damage already, may coolant go out

How many people seen the cat in the video? it was learning too

Mk3 mitsubishi l200 have rough idle and plenty black and white smoke

I’m guessing this is my issue too? I also think I got air where the coolant is My bmw Used to overheat every 2 months and the coolant would be empty. Now it’s losing it every week or 2, the coolant goes empty but no leak. I’ll see if it’s the cap for it

Im now using 1.1 kg/cm cap. And my car always losing the coolant. Should i use 0.9 as ur car also?

So the Toyota dealer put in a new radiator on my car, but now my reservoir fluid is disappearing! Help!!!

Make alot of sense my car was dumping coolant from the bottle then after adding more coolant then it started leaking from the radiator cap I guess it was it's time to change so I went ahead and change it

Yong sa transformer minivan ko pinalitan ko rin ng radiator cap ng 0.9 din kasi yong luma na cap niya na 0.9 din ang bilis mapuno ng coolant resever....ng mag biyahi kami almost 10hrs owk naman dinaman nag overhet at sa uphill pa kami domaan

Very nice exlanation sir. Tanong lng sir may thermostat ba ung pajero mo sir? Marami kasi ang nagtatanggal ng thermostat kasi hindi na daw kailangan dito sa pinas kasi mainit daw klima natin sir?

Matanong ko lang boss, ano pa kaya ibang possible reason bat naguubos lagi yung coolant sa reservoir after 2 days na gamitan lang. sa gauge normal naman temperature naman hindi nagooverheat. Dinala ko na sa mekaniko pero Wala naman nakita leaks at chineck din sa ilalim at sa mga hose pero wala din. Kakapalit ko lang ng radcap yung before ay mejo loose pero same issue. Radiator na kaya may tama? If yes, ipa overhaul ko ba or palit na mismo? Never pa siya napalitan although tanso na yung taas hindi na plastic gaya nung stock. Driving a 2009 honda civic.

Galing ng explanation sir, tanong lang po naabot ba talaga yung 0.9bar na pressure ng radiator?

sir tanong ko lang hirap na hirap nako sa makina ko bagong overhaul lahat bago napa leak test ko sa machine shop wala naman crack top at block lahat bago na may pressure pa din ganun ba talaga cooling system ng makina? hindi naman nag ooverheat

My coolant is coming out from the bottom of the radiator at my drain plug

How to flush your radioator kzfaq.info/get/bejne/bt-AaJibr8CxqYE.html

Not sure doubling up the seals makes them more effective. As an analogy, if you used a double gasket on an oil filter, you greatly increase the chances of getting an oil leak.

7:20 was there a cat in ur engine 😂

Nga pala d ako nag add ng robber sa cap nh radiator pero owk naman

not sure of the purpose of reusing the large seal.............

Are you filipino sir?

i filled my water overflow up without running the car i lose coolant overnite with no signs of leak why?

Your cat is going near the battery don't let it do so

BLACK CAT IN THE ENGINE AT 6:55

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ar yu pilipino

very easy to take out... struggles for 5min...

Sorry. I couldnt follow the explanation.