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Discussion Starter #1 (Edited)
So today I'm driving down the road at highway speed, and my '06 Optima L4 dies. No warning, no loud noises...just dies. Engine cranks, but won't start.

Towed to my mechanic late this afternoon, and one of the techs cranked it while looking through the oil filler hole. Said the rear cam wasn't spinning. Too late in the day to do anything else, will tear down tomorrow.

What am I looking at here? Timing belt was replaced last year when they replaced a blown head gasket.
 

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2008 SpectraSX, 2014 Optima LX,2006 Jeep Liberty, Linux Mint Mate
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What is the mileage on your car?
If the tensioner and rollers were not replaced then the new belt may have failed. Low mileage and the first belt replacement you could probably get away with just the belt.
Sounds like you may have some damage to deal with and a teardown in the future.
Dave


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2010 Sedona; 2003 Optima; 1990 Accord
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it's the timing belt, brother...

If they didn't replace the tensioner and idler pulley, they may have caused the belt to jump.
Mine just snapped on my 2003 2.4L 7000 miles short of the recommended change interval. In the process of tearing down and so far I have a valve broken and driven into the head, and a hole in 1 piston. Others seem ok.
You can bet I'll change the pulleys before I reassemble.
 
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