A bad timing belt or timing chain can be a significant issue. If the jumps a tooth, or breaks entirely it have the right to lead to permanent engine damage. It’s vital to understand the symptoms of a negative timing belt or chain, therefore this doesn’t occur to your Kia Optima.

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Timing belts are made the end of rubber and also nylon, unlike a time chain i m sorry looks a lot favor a bicycle chain. Here’s an ext on a timing chain vs a time belt. For all intents and purposes, they create the very same symptoms as soon as they go bad.

Timing belts room not that common. You’re much more likely to find a timing chain in cars and also trucks than belts. Smaller sized cars, specifically Japanese made ones, have the right to use timing belts instead of a timing chain. They are most commonly found on four cylinder engines.

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Kia Optima: bad Timing Belt/Chain Symptoms

Here are several of the most typical signs that a bad timing belt on the Kia Optima:

Noise– A great indication the a time belt has gone negative is going to be noise. There may be a sound that rubber beating against something. It’ll frequently be a stormy rattling sound, and it is regularly most noticeable right as soon as you begin up her Optima. Performance Decrease– If the time belt has actually jumped a few teeth, but hasn’t fallen or damaged off yet, it deserve to knock the engine the end of time. The time belt is responsible for keeping the camshaft(s) in sync with the crankshaft. If the time belt has actually moved, that method that the valves will certainly open and close at the wrong time. This will lead to a performance decrease. It’s very likely that the engine is walk to it is in misfiring as well. Loss the Fuel Mileage– Fuel mileage will suffer when the engine is no longer kept in time. Glazing andDry-rot(Timing Belt Only)– If you space looking in ~ the Optima’stiming belt itself, inspect to view if the belt is glossy. It have to grip her finger together you lightly brush throughout it. If the is slippery and dry, that is a great indication it could be poor as well. Check Engine Light– If the time chain or belt requirements replaced due to wear, however hasn’t jumped a tooth, the company engine soon light will certainly not come on. But, if it has jumped, the examine engine irradiate will really likely come on. In ~ the least, you should gain some kind of misfire said codes.
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A common timing belt

Don’t skipping the Tensioner

The timing tensioner can also go bad. The tensioners project is to save the right amount of pressure on your Kia Optima’s time belt or chain. Together the belt/chain stretches with normal operation, it would get loosened and fall off or jump. The tensioner keeps this indigenous happening by keeping a continuous amount of pressure on the belt. So, together the belt follow me it adjusts for this stretching. If the tensioner is no longer keeping enough pressure ~ above the timing belt, it’ll reason it to fail.

If you space going to replace the tensioner, make certain to swap the belt as well. It’s so difficult to get to, and also timing belts/chains are fairly affordable. It’s just the TIME the it would certainly take girlfriend or her mechanic to get to the that’s the problem.

Conclusion: Kia Optima timing Chain Symptoms

Most manufacturers will recommend changing the timing belt in ~ 60k or 100k miles. Over there isn’t usually a service home window at every for the chains. Although, it can vary. Where a lot of of world get into trouble is when they buy a used auto with 100k no realizing that the belt company is going to be instantly due.

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Good luck with your Optima. If over there is anything the you would favor to add, please leaving a comment below. We would certainly appreciate it.