Non-Interference Engine - Kia Forum
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#1 (permalink) Old 03-27-2010, 04:47 PM
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Default Non-Interference Engine

Does anyone know if the 2010 kia forte has a non-interference engine...

I know its got a timing chain instead of a belt...

just curious...

thanks
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#2 (permalink) Old 03-27-2010, 05:22 PM
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Every online source that addressed your question confirmed that the Kia/Hyundai 2.4 Theta/Theta II engines are INTERFERENCE engines.

Due to the reliabilty of the timing chain, non of the sources expressed any concern.
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#3 (permalink) Old 03-27-2010, 05:54 PM
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As curmudgeon said... I really doesn't matter If it's interference or it isn't.
The trouble with interference engines was when the belt broke. The chain should last the life of the engine so it doesn't matter.
Hope you Enjoy your Forte.
Dave
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#4 (permalink) Old 03-27-2010, 09:50 PM
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Okay. Our 2002 kia optima's engine just broke because of a timing belt. Ugh.
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#5 (permalink) Old 03-28-2010, 11:14 AM
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Quote:
Originally Posted by dnar View Post
Okay. Our 2002 kia optima's engine just broke because of a timing belt. Ugh.
Sorry to hear that, best of luck finding a used engine. If you're looking for help regarding this, start a new post and add your vehicle to your profile.

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#6 (permalink) Old 03-28-2010, 12:41 PM
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Quote:
Originally Posted by dnar View Post
Does anyone know if the 2010 kia forte has a non-interference engine...

I know its got a timing chain instead of a belt...

just curious...
Quote:
Originally Posted by dnar View Post
Okay. Our 2002 kia optima's engine just broke because of a timing belt. Ugh.
So, are you asking because you are considering a 2010 Forte as a replacement for the Optima? The 2.4 liter Forte and the current 4 cylinder Optima use the same engine. The 2.0 liter Forte is of the same design using a timing chain. If you are shopping around, be aware the current V6 Optima engine still uses a timing belt if that is something you wish to avoid.
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#7 (permalink) Old 03-28-2010, 02:55 PM
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would take a lot of work to swap between 2002 optima and a Theta II optima. wiring harnesses, pcm/ecm, trans, etc is all different not to mention one is drive-by-wire and the other is cable operated throttle. it'd would probably be best to try and fix the current engine or find an engine at a yard. i will say that i've had a few customers get towed in with broken belts on the older 2.4's and got lucky not to bend any valves and after i put a new timing and balance belts on, it ran like a champ.

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#8 (permalink) Old 03-28-2010, 09:30 PM
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Originally Posted by kiaracer View Post
would take a lot of work to swap between 2002 optima and a Theta II optima.
Easiest swap in the world. Just exchange the keys. I presume dnar is asking about the Forte engine because they're thinking of buying one as a replacement for the tanked 02 Optima. They wish to avoid another engine with a timing belt.
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