When to replace timing belt? - Hyundai Forums : Hyundai Forum
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#1 Old 03-23-2012, 09:57 AM
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Deadman
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When to replace timing belt?

I have a 2011 2.4 Limited.
I was told on a different forum that the timing belts on these cars need to be replaced often and before they break and smash the valves.

My question is, are these interference engines?
When are you guys swapping the timing belts, or planning to swap them?

Thanks in advance!
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#2 Old 03-23-2012, 09:58 AM
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I thought ours had a chain not belt??

Brett

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#3 Old 03-23-2012, 11:03 AM
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It's a chain, not a belt.
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#4 Old 03-23-2012, 11:27 AM
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Quote:
Originally Posted by jdugan4859 View Post
It's a chain, not a belt.
+1 we have a chain. No changing needed.

Some people are like Slinkies....not really good for anything but bring a smile to your face when pushed down the stairs.
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#5 Old 03-23-2012, 11:32 AM
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Quote:
Originally Posted by Deadman View Post
I have a 2011 2.4
2.4L THETA GDI


I was told on a different forum that the timing belts on these cars need to be replaced often and before they break and smash the valves.
No go on that,, THETA is chain

My question is, are these interference engines?
Yes

When are you guys swapping the timing belts, or planning to swap them?
We not offering anything chain related to the engine,, keep clean iol in the engine all the time and chain wear be no concern

Thanks in advance!
Aluminum front cover with cam cover over top = chain.

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#6 Old 03-23-2012, 11:57 AM
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Deadman
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Oh, better yet!
Thanks guys, you here so much BS and it gets you wondering.
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#7 Old 03-23-2012, 02:17 PM
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Garage
Are timing chains subject to stretching at all over time? I've heard this numerous times over the years, but I know they almost never break the way that rubber belts do. If they do stretch at all, would that warrant replacing them? And if so, how does one truly determine if/when a chain is stretched to a point warranting replacement?
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#8 Old 03-23-2012, 03:18 PM
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Timing chains in older overhead valve V8's and V6's were just a chain and two gears, those would stretch over time and with no way to compensate for it the timing would be affected.
Modern overhead cam engines with chains have tensioners (same as timing belts) which compensate for the chain wearing and stretching over time. As long as proper maintenance is followed the chain should last the life of the engine. Clean oil is important, the tensioner needs a supply of clean oil to operate properly. Dirty oil or sludge will cause it to stick.
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#9 Old 03-23-2012, 03:33 PM
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Don't the gears and tensioners wear out along with the chain itself causing potential tuning problems as the components age? Or is that a myth?
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#10 Old 03-23-2012, 03:38 PM
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Quote:
Originally Posted by uilleann View Post
Don't the gears and tensioners wear out along with the chain itself causing potential tuning problems as the components age? Or is that a myth?
Again with older ones yes. In these cars, just do regular oil changes and it will probably go to the junkyard with the original chain.
Some years back I had a twin-cam Saturn with a chain, they were actually notorious for chain tensioner failures when maintenance was neglected and the oil got low or dirty. I took good care of mine and when I got rid of it at 150K it was still running well with the same chain.
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