Hyundai Theta 2.0L Engine Problems and Reliability - Hyundai Forums : Hyundai Forum
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post #1 of 42 (permalink) Old 03-23-2019, 01:03 PM Thread Starter
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Hyundai Theta 2.0L Engine Problems and Reliability

I am thinking about a 2019 or 2020 SanteFe utimate and have been doing some reading about the theta II engine issues. They burn oil, numerous recalls because of failures, noisiy at start, only good for around 150,000 miles. It sounds like they are junk. I would like to hear any comments or about experiences please and recommendations, Thanks
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post #2 of 42 (permalink) Old 03-23-2019, 01:23 PM
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junk

Just the facts ma'am - 168k and rising by the hour
Death, taxes and Theta II engine failures
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post #3 of 42 (permalink) Old 03-23-2019, 03:22 PM
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post #4 of 42 (permalink) Old 03-23-2019, 04:31 PM
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Buy new. Maintain it. If you're lucky, you'll get the new $7000 engine before the 10/100k warranty expires. If you don't plan on keeping the car past the 60 month car payment, then do the least required maintenance and trade it in.

The 2.0TGDI/2.4GDI has been a nightmare for Hyundai.... numerous engines seized, many turn into oil burners very young in their life, some sludge up even with acceptable maintenance, others run perfectly and then suddenly die, several class action lawsuits, extended warranty(Kia better than Hyundai), .... The YF/LF Sonata forums and earlier SantaFe forums have plenty of info on the engine, as do the similar Kia forums.

I am keeping my theta 2.4GDI until the warranty expires. Before then, the engine will be replaced. Whoever gets it dirt cheap used will have a new or rebuilt engine. My neighbors 2.0T failed at ~60k miles and was maintained pretty well with 4k-5k mile oil changes, usually every 6 months, using name brand synthetic oil and OE filters.

Theta-II.... brought to you by the same engineers that suckered you into an Excel, and nothing has changed. Hyundai spent the last 25 years rebuilding their reputation, producing excellent cars and SUVs, only to create a lemonade making engine for the 2011 Sonata, and then draft it into many Hyundai/Kia products.

Corporate greed alive and well in SouthKorea and they still won't fess up to the real problem with the engine.

Don't worry, the knock sensor can detect engine failure noise prior to the engine seizing. So, when it goes into limp mode, you should still be able to make it home or to the dealer, at a slow relaxed speed.
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Sad country is where most neutered men can't change a tire or use a tire PSI gauge, can't check their engine oil or even pop their hood.

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post #5 of 42 (permalink) Old 03-23-2019, 05:11 PM
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junk

Just the facts ma'am - 168k and rising by the hour
Death, taxes and Theta II engine failures
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post #6 of 42 (permalink) Old 03-23-2019, 05:32 PM
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Quote:
Originally Posted by deadrx7conv View Post
Buy new. Maintain it. If you're lucky, you'll get the new $7000 engine before the 10/100k warranty expires. If you don't plan on keeping the car past the 60 month car payment, then do the least required maintenance and trade it in.

[shortened] I am keeping my theta 2.4GDI until the warranty expires. Before then, the engine will be replaced. Whoever gets it dirt cheap used will have a new or rebuilt engine. My neighbors 2.0T failed at ~60k miles and was maintained pretty well with 4k-5k mile oil changes, usually every 6 months, using name brand synthetic oil and OE filters.

[shortened again]
I sorta agree with you but there are soooo many owners of 2.4 and 2.0Ts driving them at 150k+ miles that I'm hoping the "buy new and maintain it" is the charm. Use the SEVERE schedule, definitely top tier gas. Some have said use 5W30 oil in other threads.

I have a friend on his 2nd SF, the 2013 vintage was good enough at 140k mi he traded for a new 2019 2.4L.

I understand Kia has had some issues as well, assume their 2.4Ls are 99% the same as Hyundai's made in the same place? The interior of the 2019 Kia Sonata & Hyundai Santa Fe are definitely similar. Why hasn't Chrysler had problems with their Theta derivative, it's still in their Jeep Compass and Cherokee although their mfg processes? Didn't Mitsu have a version of that engine too?

But I tend to agree with you unless I do buy a 12 yr / 120k mi Platinum Hyundai VSC I will trade my 2019 SF around 115 mon or 98k mi whatever comes first.
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post #7 of 42 (permalink) Old 03-23-2019, 06:31 PM
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Originally Posted by KamloopsArt View Post
I am thinking about a 2019 or 2020 SanteFe utimate and have been doing some reading about the theta II engine issues. They burn oil, numerous recalls because of failures, noisiy at start, only good for around 150,000 miles. It sounds like they are junk. I would like to hear any comments or about experiences please and recommendations, Thanks
Some folks on here say they respect this gents opinion, but the final verdict was a surprise:

www.youtube.com/watch?v=2KAdja1G6xY

Just the facts ma'am - 168k and rising by the hour
Death, taxes and Theta II engine failures
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post #8 of 42 (permalink) Old 03-23-2019, 07:11 PM
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Dtech, you are getting annoying. Three posts out of 7 in this thread here today. If you have something to say, say it. But not just nastiness every other post.
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post #9 of 42 (permalink) Old 03-23-2019, 07:15 PM
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Originally Posted by deadrx7conv View Post
My neighbors 2.0T failed at ~60k miles and was maintained pretty well with 4k-5k mile oil changes, usually every 6 months, using name brand synthetic oil and OE filters.
Awful to hear stories like this. Two colleagues at work with YF Sonatas 2.4L, both got their Theta II replaced.

Am almost wishing my 2.0 kicks the bucket before 120k. But I cannot intentionally neglect it. I so wish Hyundai would back stop this fiasco and make it an unlimited miles coverage like Kia.

Winter typically is more consumption for me 0.8 quarts so far added (.3+.5) and am at 3,100 miles on Pennzoil 0w-40 and the Fram XG. It idles longer in the mornings since I like to get into a slightly warm car.

Looking at my notes, it consumed a similar amount last winter too. Spring through fall is typically a negligible .3 quarts consumed through each oil change on 5W40s.
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post #10 of 42 (permalink) Old 03-23-2019, 08:08 PM
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Originally Posted by PMCErnie View Post
Dtech, you are getting annoying. Three posts out of 7 in this thread here today. If you have something to say, say it. But not just nastiness every other post.
He sure does hate those Theta engines. I don't want to tell him I bought a new Santa Fe with the 2.0T...
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