Hyundai's New Theta Engine with GDI (Gasoline Direct Injection) Technology

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Check out how Hyundai's all-new Theta engine with GDI (Gasoline Direct Injection) technology works! This new engine is being used in all of Hyundai's new car models, including the 2011 Sonata and the 2010 Tucson.
www.worldhyundaimatteson.com
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World Hyundai Matteson is Chicago's leading dealer of new and used Hyundais. World Hyundai has continued to exceed Hyundai USA's expectations in new vehicle sales. Our personnel are trained tirelessly in our philosophy as well as the Hyundai product itself. World Hyundai Matteson serves customers from all across Illinois and Indiana, including Chicago, Joliet, Tinley Park, Orland Park, Calumet City, Schaumburg, Countryside, Aurora, Naperville, Bourbonnais, Kankakee, Merrillville IN, and Highland IN.
World Hyundai Matteson
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(866) 583-9211
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21 фев 2010

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Комментарии : 375

@CaseyWalt 3 года назад

I would love to know the percentage of these that are still actually on the road 10 years later. And not on their second or third engine.

@LorisEntertain 3 года назад

Mine does

@kingkong7882 3 года назад

Mine does also after 12 years..

@eleventy-seven 2 года назад

Well there are few people that changed their oil early and often so the metal shavings were flushed. Then miracles do exist for DI where carbon buildup just doesn't matter. Man if you have 100k on one of these, call yourself lucky but don't make the same mistake. Statistics still matter.

@basoncivicsi 2 года назад

As a Hyundai Technician I replace 2 to 3 of these a week in a not so big market. A great deal of these replacements end up being due to neglect, but even if it were just the well maintained ones I would still end up doing 100 to 120 a year. These end up with extreme carbon build up.

@MEGA.YACHT.CAPITAL Год назад

Mine is still running perfectly 11 years - royal purple oil is the key

@5zwoodworks 2 года назад

And the valves get covered in carbon and then the real fun begins! Yea GDI!

@basoncivicsi 2 года назад

You got that right. HEAVY CARBON!

@CaptainNero 2 года назад

And now I have an unlimited warranty on the lower end of my 2.4, thank-you Hyundai

@eleventy-seven 2 года назад

You'll need it. Dont park in your garage. In Hyundais as recent as 2019 the ABS system can ignite fires that catch the brake fluid on fire followed by the fuel lines then BOOM, what car are going to put your unlimited mile warrantied lower end in? Sell now before you get really screwed by the most reckless company of our generation.

@chasebh89 6 лет назад

1:01 inject magic into the cylinder lmao

@jessstuart7495 7 лет назад

1:00 Those direct injectors sound like sparkelie magic! 1:15 And the spark plugs sound like laser beams!

@MrTonyshit80 10 лет назад

WoW...very nice video..thanks a lot

@memadmax69 12 лет назад

So, they took a diesel cylinder head, slapped some spark plugs in it instead of glow plugs, and stuck it on top of a gasoline engine block.... Brilliant.

@user-zx7zz1hl8i 6 лет назад

قمه الروعه والابداع والطريقيه التعليميه والشرح واضح جدا ..بأدق التفاصيل

@ravenheart369 4 года назад

RU-vid recommendation after 9 years

@amiramiri796 4 года назад

Arvin Ghannad yes me to

@herulchaerulanam4110 2 года назад

@@amiramiri796 uu

@richardkey4289 5 лет назад

Awesome video, this will let me explain to people what gasoline does to power an engine

@runbou3019 2 года назад

Thanksអគុណបង

@kylepitman8776 3 года назад

As a mechanic this engine has made my shop alot of money including my moms funny how kia is recalled but hyundai not

@speedracer9640 7 лет назад

Amazing!

@phanueljaoko4494 3 года назад

Thanks a lot mr

@clausandrup 6 лет назад

My 2017 Tucson Limited AWD 1.6 Turbo has 2000km and has been in the shop 3 times in a week. The repair staff are baffled by the fact that engine is shuddering and almost cutting out. New spark plugs, replace injectors. Nothing has worked.Extremely unsatisfied. I have a $44,000 vehicle - I would have been better of taking the cash to the casino.

@famontechs9294 4 года назад

Good video about engine.. 👍

@fromthebackofmymind 2 года назад

12 years and 346 comments. I will read them to find one or two where their Theta gdi has carbon and sludge buildup on the back of the intake valves. Since I now have a 2022 SmartStream 2.5L. Stated horsepower is around 195. But I think Hyundai is conservative on the actual output. The 2.5L growls for being just a non boosted inline four! Had the 2.0L Turbo. 100,000 miles and horrible egr/pcv system consuming 1.5 quarts of oil every 5,000 miles.

@kimutaingetich5702 5 лет назад

Amazingly, am a mechanic and it has help me

@kalidabdulselam6719 4 года назад

Good video

@eg8081 5 лет назад

Кто от K-Power? Мы то знаем, что с ним не так ;)

@sajahanfarsana3078 5 лет назад

@user-pc3ip1hs2u 5 лет назад

Я от туда же)))

@user-cd4ce8cg5t 5 лет назад

@Ruslan646 4 года назад

@user-uw7js8bz4j 4 года назад

😁

@salkhumurmu714 3 года назад

Nice animation

@Sopheap954 3 года назад

Really Great

@clementemendez4291 4 года назад

Thank for This vidio existen 🌄🌍🎆🌌🌳🏝

@pinakivlogs8535 5 лет назад

very nice

@jb60135 2 года назад

Burn up those short piston skirts and bearings from 12" connecting rods. Brilliant

@smartkid1201 3 года назад

Well, well, well seemed like a great idea at the time; Now, not so much. Glad Hyundai ended production of this troublesome engine. Hope the new "Smartstream" engines are much more reliable.

@user-vw9ch7yl5u 2 года назад

In our war, spare parts have risen in price a lot because of this engine, I now walk on foot (((thanks kia to you for the wonderful unfinished engine !!!

@houysari2463 6 лет назад

very good

@MultifinanceTV 8 лет назад

Дивно! Нужное видео. . Мне кажется, я захотел поделиться этим видео с другими .

@krasaf4ik 5 лет назад

Хуня мотор, даже 100к отъездить не может

@amirbindas1067 4 года назад

Best will work

@ItsJustCams 6 лет назад

Gotta love the sound effects they used for this. lol

@virgiliomelendez8401 8 лет назад

i have the gdi 1.6 L kia. Rio 2015. and amazing power performance. on a 6 speed automatic transmission and fuel economy rough 130 miles top speed for a 1.6 L

@jericlamb2676 5 лет назад

Same aged here 2015 rio 1.25 L 26,000kms, btw hows your mine?

@michaelfugere2773 4 года назад

Who’s here October 2019

@crowbarstube 11 лет назад

i was expecting the ignition of the fuel air mixture to produce a rainbow and exhaust unicorns by the noise it made

@mhm8154 3 года назад

In fact, it is an old system that was not designed by Hyundai But it was designed by Mitsubishi Mitsubishi was the first to give it a name GDI (Gasoline Direct Injection) The first Hyundai engines were originally made by Mitsubishi and Mazda

@tuancanhphan3959 4 года назад

Hello you. Can you give me more information about this GDI system through the documentation?

@niksklavins9670 6 лет назад

Cool

@virgiliomelendez8401 8 лет назад

Puerto Rico i have 50 miles on a galon of gas preety amazing on normal driving conditions

@lalo5301 8 лет назад

bad ass engine. I have the optima sx and I have no issues at all. Quick for a family sedan.

@aVetOnAroof Год назад

7 years later...still have no issues or got rid of it or going through that class action?

@jacksrandomadventures2769 4 года назад

new technology .... 9 years later

@MNunev 13 лет назад

Wow I watched the nissan 1.6 liter GDI system video just before that one. They produced 190hp with their system (althouh with a turbo)

@DKSE123 Год назад

Don't need one anyway

@lukgaroo 8 лет назад

Best way to prolong major maintenance in regards to carbon build up is to install a catch can. I'm driving a Lancer Ralliart Turbo 1.8t GDI. Mitsubishi sold this design to Hyundai! Common problems are High Pressure Fuel Pump spoils after some time, ignition coil problems and always use the manufacturer suggested spark plugs. Don't up the boost as the MAF Sensor may (highly likely) not be able to take more than 0'9bar of boost on stock setup and without a tune up. If you're intending to boost higher etc, use low comp Pistons and slightly build the lower block.

@vuconguc3069 9 лет назад

Good Idea

@SamSam-xd4es 9 лет назад

3صصص3ذس3ء8ص22صذ

@eraserheads78 14 лет назад

Correction, its not 200hp but a 176 @ 6000 rpm.

@SK.The-Machine-Designer 3 года назад

May I know the percentage of balancing of reciprocating masses?

@user-cc6ek4gc8h 3 года назад

Thanks GDI engine about

@ps3dethman1 12 лет назад

My friend has a sonata with this engine he's put 65,000miles on it and never hade a signal problem.

@user-yv1bg7wd2h 9 лет назад

i need to know more about the GDI engine. can someone posted ? Thanks a lot .

@greaser3069 6 лет назад

Wow it works just like any other combustion engine nowadays!

@TP-kq9ul 5 лет назад

Precisely! I don't know why they need to make this video, for education purpose?

@SNLGUY 12 лет назад

How has Hyundai addressed the oily buildup on the valve stems which attracts so much carbon the horsepower starts to dive after only 5K miles on the odometer. Ford and Cadillac have addressed this problem with new ECM's that produce ultra precise timing which has shown no oily deposits.

@dieselmutt8865 9 лет назад

Good to see the switch to a timing chain setup vs the timing belt. Huge improvement to Hyudai/Kia engines.

@tomharvy9374 6 лет назад

It still did not look right. It said less friction but it looked like more friction. It was long and had guides. It looked like it would wear the chain and guides. I do not get it.

@mp4338 3 года назад

This kind of GDI engine builds carbon on the intake valves like other GDI engine by cause of the PCV and EGR (return smog, oil, etc. in intake manifold)? Why the distribution gas is controled by the mechanical piece mounted on the camshaft? What piece is down, under the engine (crankshaft), droven by a second timing chain? Thank.

@DKSE123 Год назад

Oil Pump / Balance Shaft

@Jeehyungu 3 года назад

결함엔진~

@fender7802 Год назад

So fuel is injected about halfway into the compression stroke (piston traveling back up)?

@zhengjdc 12 лет назад

@2:04, one combustion is powerful enough to rev the engine to 7000rpm.... impressive Korean engineering...:P

@jamesvpaquette 7 лет назад

If it was so refined why didn't they splay the crank for a better/even power distribution over 360deg?

@inahpydrm 12 лет назад

When I looked at Ford Fusion, it was assembled in Mexico. The Sonata is assembled in Alabama. So what is really a foreign car? US manufactures routinely buy parts or have cars assembled elsewhere. It's about avoiding paying someone $120,000.00 a year to assemble cars in Detroit.

@milesmax1383 4 года назад

so cute

@JeepBoiFL Год назад

Much like the engine itself, this has not aged well..

@sleepybear7642 Год назад

Still no redesign to clean the valves with fuel like the Atkinson?

@mecanicatotal22 4 года назад

👍👍👍

@simonkirk3067 5 лет назад

We have 1.6 litre cars in the UK getting 230 bhp straight from the factory.

@lickablestinkage7783 Год назад

Yeah but this one dosent have a turbo

@YamiPheonix531 5 лет назад

No port fuel injectors to clean the intake valves? Also why use 2 timing chains to drive the camshafts and the oil pump separately. More complexity means more room for mechanical failure like the tensioners used for the timing chains.

@sk8guitardrums 11 лет назад

100hp / litre is what they should aim for, however i suppose they want eco mapping and so not to bad, It would be better with the Mini engine its only a 1.6l turbo and produces 210hp in the works car and a lot less size and weight.

@davesmith3690 2 года назад

And how is the re-call going?

@awanyuniawan1842 4 года назад

What aplication to made this animation

@Built_it_by-alex 11 лет назад

v-tech would b nice

@DKSE123 Год назад

Is a newer version of theta that doesn't spin bearings or start burning oil at an early age?

@terencehawkes3933 2 года назад

I wonder if this engine still seizes up its rod bearings leading to a blown engine. There is nothing about that serious shortcoming in this video.

@punkenduro 11 лет назад

200 hp is class leading tech out of a 2.4. they need to look at what honda has done with a good k24 then.

@DKSE123 Год назад

The K24's Are Crap Too , Though.

@punkenduro Год назад

@@DKSE123 put your mom's phone down kid, you just replied to a ten year old comment

@digital5tech 5 лет назад

i want to buy only this engine

@MegaGeorge1948 9 лет назад

Has Hyundai cured the intake valve stem and head carbonizing which is common on GDI engines? It seems that the injector sprays the back of the intake valve with gas spray when it is open on the intake stroke, leading to carbon buildup on the back of the intake valve. Plus sucking in the PCV gasses don't help either. .

@saintEmory 8 лет назад

+George Travers Carbon build up behind the intake valve which reduces performance and airflow. They have not solved that problem yet.

@rosskeene6608 8 лет назад

...the positive crankcase ventilation hose is plumbed into the intake. the oil vapors and blowby gasses pass by the intake valves and deposit themselves on the hot surface of the valves causing engine problems in older di engines. direct injected engines do not have gasoline vapor cleaning the contaminated intake valves as a multiport engine does.

@danwat1234 12 лет назад

Why isn't this engine in the 2013 Elantra? Just the Accent and the larger models?

@psychotikpaisano 14 лет назад

wtf, this music makes my head feel funny...

@justnotcricket 12 лет назад

Don't know where you live, bit take a trip to Japan or a European Country you'll see many 5 door saloons/sedans with more than 35 mpg

@rubikfan1 8 лет назад

saying you are the best of its class, is meaningless. almost all car makers have there own classes. so everybody is the best of the class.

@Eventwedding 7 лет назад

How are the Intake valves cleaned if no gas is hitting them?

@Priority57 2 года назад

It's not

@DKSE123 Год назад

The valves are cleaned via removing the intake and walnut blasting them to remove deposits . This needs to be done every 30-60,000 miles . It's costly too

@vinvlog26 2 года назад

Chia sẻ hay wá bạn ơi cùng nhau phát triển và tương tác với nhau nhé bạn

@joshjones7757 3 года назад

Does my 2019 kia optima s 2.4 have this engen?I was told I have 170hp not 200 but I would love to have a few extra ponys can never hace enough hp ❗❗❗😁😁❗❗❗❗

@generalmvp101 11 лет назад

I love how they throw out terms that people will find fascinating. but this technology is far from knew. balance shafts are used on engines if they aren't balanced from factory. its a way to save money. cooling jets on the pistons aren't anything knew. as well as dual cvvt. besides direct injection (which every manufacture is using now) not very impressive.. imo

@DodongWerkzPh 7 лет назад

CLEAN IGNITION BUT DIRTY VALVES AHAHAHA.

@dgurevich1 2 года назад

Why is intake variable valve actuator electro-mechanic and not oil pressure regulated? Why does it use brushes that wear off with time?

@mohasim6332 7 лет назад

Sir Hay

@DREAMER0EVER 6 лет назад

This engine is so old now.. It needs to be updated

@weasel884 13 лет назад

lol id love to see how this motor would preform in my 5000 pound Buick.im sure i could lay some nasty tire marks but it would suck gas from the car being so heavy

@yurchik7409 5 лет назад

У них то по любому на внутреннем рынке таких моторов нет,только к нам эксперименты привозят

@Denon13101 5 лет назад

Куда к вам? В милях пробеги , а пиздят запчастей нет. Тьфу блин, такие эксперементы.

@yurchik7409 5 лет назад

@@Denon13101 куда куда,во весь СНГ фуфло толкают

@Turistk 7 месяцев назад

Какое масло лучше лить в этот мотор????

@somekindofabird-man7282 6 лет назад

"Clean ignition"

@uvweyweydiogenes2424 7 лет назад

Isn't 100 bar like 1500ish psi?

@aliabdallah102 4 года назад

Yup, GDI is essentially mini-diesel

@Firestone752 5 лет назад

Посоны Оптима тачка огонь, ставьте хондовский к24 =)

@1stMrSceptical 10 лет назад

Don't like chain driven balance shafts, not good far too much of a load placed on that small hyvoe chain.. Why not get use odd cylinders 3 or 5 ? or even balance the crankshaft properly . WV have only just learned that lesson, their 2.0 TDI balancers are now gear driven still have that tiny shaft from the oil pump though! . Honda used a balancer on their 250 RS motorcycle in the 80's the little chain stretched like mad and would snap if not kept adjusted.. Cosworth 2lt Pinto 400bhp

@1fastneonrt 9 лет назад

Like someone said earlier, GEMA motor which is used by Chrysler, Mitsubishi, Hyundia, and Kia. So before some of you start ripping on the motor calling it junk, remember Mitsubishi is a high praised name. I wouldn't be surprised if GM jumps onto the same bandwagon too.

@roshanchitan1997 8 лет назад

+Bradley Urban mitsubishi uses a the same block but the head and some other engine parts differ.

@mdisrafil6187 6 лет назад

Bradley Urban ui

@legaladvocate71 11 лет назад

On November 19 2012 Inglewood Small Claims Court Judge John L. Mason ruled that L.A. Hyundai at LAX had engaged in a "concerted failure to provide warranty service and constitutional public accommodation; no anti-discrimination policy" and LA Hyundai at LAX "did not honor rights" of the car owner.. The plaintiff was denied warranty inspection on August 18, 2012. Case number 12S01314. The case also concerned a vibration in a 2010 Accent that two dealers and Hyundai Corporate refused to fix.

@coltonjacobs5383 5 лет назад

These didn’t go so well huh

@klesmer 13 лет назад

@summitsvift Don't fret, if Mitsu is going to stay competative they will be bringing it back along with everyone else.

@Mechplant 4 года назад

Sir which software use for making this animation video

@adsabine1 14 лет назад

The timing chain looks like it would cause a lot of friction on the "chain system" and not that impressive HP for a 2.4L.

@fromthebackofmymind 2 года назад

Guide rails are super slick when coated with oil. Maybe made out of high temp Delrin. @200,000 miles they might become brittle.

@NIGHTMAREuki 13 лет назад

how is this better than old Nissan VQ25DD that was introduced in 1999? 212 hp @6400 rpm and 199 ft·lbf @4400 rpm

@MrFsckfs 5 лет назад

Прикольно слухати про новий ДВС GDI коли у само авто 2000 року з GDI ДВС.

@user-gl8ci4dy6j 5 лет назад

Обноски евробратьев донашиваешь? И как, счастлив?)))

@MrFsckfs 5 лет назад

Авто куплено в оф. дилера, новеньким.

@MrFsckfs 5 лет назад

@@user-gl8ci4dy6j Бачу ти заздриш людям котрі можуть їздити на євробляхах, бо мабуть старе авто з Європи не досяжна мрія для тебе.

@user-gl8ci4dy6j 5 лет назад

@@MrFsckfs От дурачок шароварный! Я ж по-свинячьи не понимаю))) Продолжай мыть сартир польскому пану, через 3 года он отдаст тебе его задроченный Фиат)))

@TheNuggetface 13 лет назад

Ski-Doo E-TEC Engine Technology kicks the shit out of this idea, why would you develop 4 strokes after seeing that????? 2 strokes are the future, lighter, lower emissions, more efficient, and longer engine life. win win win. they did do something better than what they had in the past here i guess, if you liked this video please just watch "Ski-Doo E-TEC Engine Technology" its amazing