Question about 2003 Kia Sorento

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How do I know when it's time to replace a timing belt on my 2003 Sorento? A local mechanic said it idles rough because the teeth are breaking off on the belt. How would he know that by just replacing spark plugs?

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  • darrickwilli
    darrickwilli Jul 13, 2012

    If there are teeth comming off of the belt it could have been thrown off by a tooth or two! Therfore your throwing the engine out of time. Has to be exactly on time in order for it to run in the proper order.

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It's unlikely that the cam belt would cause rough idle!!
normally you would change the cambelt after so many miles Mine are always changed after 30k miles regardless. The mechanic was purley guessing.

If the idle is rough then it will be an electronic fault like air flow meter,EGR valve, Idle control unit. etc

Get back to me if you need more info.

Regards

Dan

Posted on Feb 01, 2010

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Posted on Jan 02, 2017

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My wife has a 06 sorento 3.5. The crankshaft bolt broke and I got it out replaced the harmonic balancer, the crank sprocket and the bolt. When I was putting on the new timing belt I rotated the motor by...


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