How engine cooling system works | Cooling system Explained

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A car engine produces a lot of heat when it is running, and must be cooled continuously to avoid engine damage.
Generally this is done by circulating coolant liquid usually water mixed with an antifreeze solution through special cooling passages. Some engines are cooled by air flowing over finned cylinder casings.
A water-cooled engine block and cylinder head have interconnected coolant channels running through them. At the top of the cylinder head all the channels converge to a single outlet.
A pump, driven by a pulley and belt from the crankshaft, drives hot coolant out of the engine to the radiator, which is a form of heat exchanger.
Unwanted heat is passed from the radiator into the air stream, and the cooled liquid then returns to an inlet at the bottom of the block and flows back into the channels again.
Usually the pump sends coolant up through the engine and down through the radiator, taking advantage of the fact that hot water expands, becomes lighter and rises above cool water when heated. Its natural tendency is to flow upwards, and the pump assists circulation.
The radiator is linked to the engine by rubber hoses, and has a top and bottom tank connected by a core a bank of many fine tubes.
The tubes pass through holes in a stack of thin sheet-metal fins, so that the core has a very large surface area and can lose heat rapidly to the cooler air passing through it.
On older cars the tubes run vertically, but modern, low-fronted cars have crossflow radiators with tubes that run from side to side.
In an engine at its ordinary working temperature, the coolant is only just below normal boiling point.
The risk of boiling is avoided by increasing the pressure in the system, which raises the boiling point.
The extra pressure is limited by the radiator cap, which has a pressure valve in it. Excessive pressure opens the valve, and coolant flows out through an overflow pipe.
In a cooling system of this type there is a continual slight loss of coolant if the engine runs very hot. The system needs topping up from time to time.
Later cars have a sealed system in which any overflow goes into an expansion tank, from which it is sucked back into the engine when the remaining liquid cools
#enginecoolant
#coolingsystems
#coolant

[@AutoMech5]

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[@usmanghani2371]

Sir coolent or water ktna hona chea or coolent maine distel water jo baatery maine use hota ha kia distel water ko b rediator maine use kr saktea haine???

[@randomcontent02881]

@@usmanghani2371 use ethylene glycol for proper cooling.

[@aayu28_07]

Hose pipe ya horse pipe

[@SandeepKumar-jy4sp]

Maximum temperature Generate 2500 degree Celsius

[@j90yjaved21]

Very informative video. Specially the tip at 00:38 - 00:40 that cooling system is not for cooling the engine but is for maintaining the temperature of engine.

[@khandj4612]

Nice video...my Tata ace ht have temperature or heating problem..radiator wash n clean,gasket replace done...but still over heats...plz help

[@sanukokancha4150]

aapka bujhaneka tarika ekdam sahuhai tq because mera confuse chalagaye

[@pankajkumar-mq7pm]

Very good explaining sir . Mai abhi mechanical work seekh raha hu Apka video Accha laga . Keep it bro

[@ashishdubey6599]

Ur explaination is gud bt try to use stuck while ecplaining & animated figures also.....thanxxxx god bless

[@AutoMech5]

+Ashish Dubey thanks .I will keep in mind

[@18Subhash]

Your all videos are the best and very informative and the way you explain is very good.I am very big fan of you now.

[@AutoMech5]

Dhanyabad sir.koshish ki hai samjhane ki

[@scorpian1987]

Hello Sir, Very informative video and you have explained the entire mechanism very clearly. I have a question. What if someone block the coolant circulation pipe. I own a diesel car and I am seeing temperature rising very quickly. How much damage it can cause? Should I have to replace the entire radiator?

[@michaelnimba6421]

Can I English version of this video ? I can't realty endesteind this language

[@manojkushwah8363]

Sr this very good video, & your way of explaining is very nice. Thank u sr

[@dhirendradwivedi9524]

Watched this channel 1st time and subscribed.. well explained..

[@shailendrakumarsingh8669]

Very scientifically explained...thnks sir..

[@f.smalik4843]

Very informative and to the point ...

[@Nature-ru5ir]

Your explanation way is very good sir!

[@A_for_AML]

Thanks I watch just for curiosity! I understand The process very well Thanks

[@ajitkumarnayak6293]

Sir cooling pen not working sir what is problems switch problem video Tata megh xl motar

[@18Subhash]

very nice information Thanks.

[@AutoMech5]

+SUBHASH SONWANE thanks for watching sir

[@SharathKumar-kz5fe]

Good explanation bro but there were small mistakes also like (a)heat in the cylinder is not developed because of friction , it is produced because of combustion of fuel (b) temperature inside the engine cannot be 6000 deg C, at around 700 deg C piston itself will get melted. Anyway I appreciate your knowledge. I didn't fully followed your video but fast forwarding.

[@AutoMech5]

Agree it is 600०c but i said 6000. Thanks. But heat also produced with friction.. 🙏

[@nahid1981]

Piston ring also genarates heat due to friction with cylinder liner but as engine oil is continually flowing, it absorbers a lot of heat...

[@gajenderprajapati1297]

@@nahid1981 yes bro

[@gajenderprajapati1297]

Any moving part create friction

[@pankajgawali6311]

Very practically explained, good

[@actinginreal9512]

Ek dum original information thnx.

[@automobileyash5217]

Really your video is cleanly example able... thanks...🤗

[@jantagarage1233]

Your all video best h sir

[@maheshbandaru9096]

Good efforts bro.... Thank you.....

[@abubakarak9933]

Carry on sir.... Baht ache videos bana rhe hain ap.... 👏👏👏👌👌👌👌👌

[@AutoMech5]

+Abubakar AK thanks ak

[@ImranShaikh-sn8vx]

Apka number milega sir plz kuch poochna he

[@asusg20rog98]

1st KZbinr good explanation

[@everysmileisprecious1929]

Superb sirji..... great explained....tnx a lot....god bless you

[@SatishSharma-vp9cd]

aap bahut achche se samjhate hai sir ,good work

[@AnilKumarYadav-hk8ew]

भाई साहब आपने बहुत अच्छी जानकारी दी इस जानकारी को देने के लिए बहुत-बहुत धन्यवाद आपको

[@abdulrahemanustad9453]

Nice information brother...Thank you 😊

[@mohamedsayeed3165]

VERY NICELY EXPLAINED

[@santoshkarhale0803]

Thanks for the easily explained cooling system

[@meershahid3071]

Sir mujhe ak questoin

[@alirazamemon4478]

MA SHA ALLAH NYSE VIDEO SIR💜💚

[@gouravgourav3763]

Thanks bro I was so confused about that now I know everything very well 😊

[@pervezmasih9833]

Thanks a lot for videos.

[@AutoMech5]

+Pervez Masih sir thanks to you for watching

[@mohammadahmad5108]

Nice effort to explain

[@anilgupta2980]

बहुत अच्छा तरीके से समझाया

[@yogeshtecnician7736]

THANK YOU SIR🙏

[@pranaykohale24]

Gajab ka video tha sir

[@RajaSingh-fc2pj]

Finely understood thank you sir

[@hassanm1367]

Great 👍 super. The way of teaching great

[@AutoMech5]

Thanks hassan..

[@ghousali8197]

Genuine information 👍

[@sunnynegi722]

Good explanation sir

[@bcbcbhavesh]

Hello sir one question can we use transformer oil instead of coolant water because my tractor cylinder get damaged by rusting and the water enters in engine oil. I mentioned transformer oil because it's light as water

[@alifetolive1263]

Very nice description

[@AjayKumar-nt3ds]

Bahut achha knowledge diya aapne! Thank you very very much! Ek like toh banta hai! Aap aise hi achhe achhe videos banaate rahiye maine aapke channel ko subscribe kar diya hai!

[@khaleelpatel2149]

Good explanation.... Thanks

[@SohelME-do3bj]

Nice video... Thanks

[@harishsharma56]

God bless you bhai. Thanks.

[@HarmanSingh-st6kg]

Very good explanation. Thanks

[@gauravpandey9863]

Thx Bhai Esi videos Banate raho

[@himachalichokra22]

Thnku so much bro

[@santoshprajapati8666]

Nice explanation

[@siugarfield7647]

very details video, well done and thank you

[@joydeb1249]

Very good need more videos

[@adnankhawar4340]

Very Nice Dear God bless uuuu

[@AutoMech5]

+Adnan Khawar sir thanks for your blessings..BADA Dil hai aapka

[@sktarifali470]

Very good explanation sir.

[@AutoMech5]

Please share video

[@krishkrishna3723]

Good explanation

[@Anurag_Singh_Classes]

Wel explained.

[@farminglover1656]

Very useful video sir .

[@AutoMech5]

+Farming Lover thanks sir

[@narendrababuji3191]

Good guidance

[@erarvindjee7989]

Excellent understanding

[@kanwarpreetdhillon]

i apriciate brother.... thanks.n contimue

[@AutoMech5]

+kanwarpreet singh thanks

[@umeshbhatt6768]

Highly Appreciated

[@jatinkumarnehra3526]

Good explain Bhai

[@Sushantdaz01]

Thank you sir

[@ramkailashyadav1022]

bhut achhi video bhai sahab

[@dukhuramhembram8300]

Nice explanation sir.i am also car mechanic from Jharkhand

[@dipendrakumar8472]

Thanks sir ji love you

[@mayurpadaya6517]

Thanku sir achaa tha video more videoss

[@lmvlogs5437]

Bahot rochak jankari thanks ji

[@wpocpo1919]

Best video for know cooling system

[@mymistake58]

Nice video Sr ji. ... make more..

[@rakeshkhatik3052]

Nice bro ur great

[@rameshkalasua5205]

अच्छी लगी आपकी विडियो धन्यवाद एयर ब्रेक सिस्टम को समझाओ विडियो बनाओ

[@imhulkoppkar]

Bahut hi badhiya tareeke se samjhaya aapne .doosronke videos me pata nahee chala raha tha ke coolant kaha circulate hota hai ..engine oil kaise kaam karta hai WO bhi jananaa chahata hoon.

[@AutoMech5]

Sir video hai .Engine lubrication system

[@vipulmeena3667]

Nice video sir

[@AutoMech5]

+vipul meena thanks Vipul ji

[@RameshKumar-tn3bk]

Very good answer

[@ShahRukhKhan-he4ew]

Can you please tell me any liquid that can be easily accessible for local public that cools to -20 or -40 and long lasting as engine coolant..?

[@pbks8366]

Nice sir, bahut Kam ki chiz

[@AutoMech5]

Share video if you really like it

[@sandeeplangote56]

Sir mai iti mmv ka student hu Aur apki har video mere kam ki hai Aur apki har ek video bahut aachhi aur saral bhasha me video rahati hai... I love your videos sir .......!!!!! Keep it up. .... Aur aise hi banate rahiye Logo ko knowledge dete jaiye........

[@AutoMech5]

+Sandeep Langote thanks for your support

[@ImranShaikh-sn8vx]

Bhai aapka number chahiye plz kuch poochna he

[@yasirumer9624]

Thank you sir. 😊

[@AutoMech5]

Thanks for watching

[@yashwantsingh3150]

thanku sir...for explain the cooling system...i hope u always give these type of video...for better knowledge for me..

[@talalgill6877]

Absolutely good

[@ziaulhassan8171]

thank you so much

[@RaviPatel-te5ug]

Supab video in detail...

[@RanjanKumar-er3pj]

Dhanyvad bhai sahab

[@Munaam1989]

Nice Video Keep it up

[@robysingh2020]

i heared somewhere tht we should mix little amount of cerosin oil inside the coolant box ( bucket) . it help to stop rest inside the rediator. . plz clear the query bro.

[@mdaleemmdaleem4447]

Nice thank you sir

[@viveksingh8596]

Bahut badiya

[@jahidulislam-wx2fi]

sir good job I want more video

[@kamranbk]

V informative

[@gorkhsingh1351]

Veryyyyy nice explain

[@swapnildhadve9813]

Bhai old water cool radiator me coolant dal sakte hai kya pani ki jagha

[@Gajanan7411]

Very nice information sir

[@chhabisagaria967]

Thankyou sir

[@cricketeveryone901]

Sir meri kwid car me colent levl b ok h but engn 2 mint m hi bhu heat ho rha h kya kre plz rply

[@vijaygaikwad8027]

इंजीनियर सरजी इंजन ठंडा होने का टेक्नोलॉजी बढीया तरीके से हमें समझा दी धन्यवाद

[@badrudeen7763]

Very nice Bhai

[@tarunbhati9027]

Good video & Thank u

[@gudduchaudhary4609]

Good lecture 👌👌👌👌👌👌👌

[@baljeetsingh-eg9fq]

Nice video thank you sir