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It may very well be timing belt, and that is not an interference engine, so no valves should have been damaged. With only 79,000 miles I would certainly not scrap the engine because of that, if it is determined the timing belt is the cause. I'd think real hard about getting it to an experienced mechanic, if they can't give you more information than that by now.
It has a timing chain. The timing chain which is not a timing belt usually does not get changed because it is much stronger to with stand the engines torgue not like the belt which has to replaced every 50 to 60 thousand miles so timing chains do not have to be replaced unless there is something internally that is giving the chain some problems but usually not in most cases.
Are you sure you have a belt, not a metal chain? To my knowledge all the Chrysler V6 engines use a timing chain, which should last the life of the motor. Ask your local auto parts store, they can tell you for sure. (Don't confuse the timing belt/chain with the serpentine drive belt which runs the air conditioner, water pump, power steering pump, etc. The serpentine belt is always rubber and is visible at the front of the engine (your left as you face the car with the hood open). This should be inspected once a year beginning at 5 years or 60,000 miles, and replaced once it starts showing cracks or wear. If you have never replaced yours, you are due for it now. I just replaced mine on my 2005 T&C with 63,000 miles.)
If you do have a rubber timing belt, I would replace it every 6 years or 60,000 miles (whichever is first) unless the owner's manual calls for a different interval. Many engines today have "negative valve clearance", which means if the timing belt breaks, the piston will run into the valve, possibly bending the valves. This means a full overhaul of the motor, which is *much* more expensive than replacing the belt.
A metal timing chain is internal to the engine and lubricated by engine oil, and will not break like a rubber belt can. It will last the life of the motor (150,000 miles or more).
its timing belt. This car requires the timing belt to be serviced at every 60k miles. This engine is a non-interference motor, so the engine will not get damaged internally if belt breaks. But other parts externally can become damaged. Also at the same time the timing belt is changed, replace the water pump, idler and tensioner pulleys.
hyundai recommends replacing the belt every 60,000 miles or 48 mos and this is an "interference" engine which means if the belt breaks, it will cause internal engine damage. happy holidays
For California models recommended at 105,000 miles.Belt needs to be inspected at 60,000 and 90,000, miles and replace at 105,000 miles. Except California replace at 60,000 miles. Note 1.8L engine is a interference engine, if timing belt goes bad will cause major internal engine damage.
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