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If the engine ran hot [overheated] long enough then there may be some internal engine damage such as a scored piston or damaged cylinder head. If the engine was hot enough when it was shut off or stalled it may have had to cool down for a while before it would restart. You might get lucky and the noise is being caused by something simpler such as a water pump bearing or drive belt pulley. I'd start by checking both the oil and coolant levels then inspecting the water pump and drive belt for any faults. If the noise is coming from inside the engine then you'll most likely need to have a service facility take a look at it to see where the noise is coming from. Good luck, hope this helps!
I had what sounds like the exact same problem. It was an exhaust leak from the left (driver's) side exhaust manifold. This engine has a history of the manifold bolts breaking and causing the exhaust leak. The engine is also used on some Dodge vehicles. It sounds like a tick and I almost mistook it for a bad lifter. I took it to the local Jeep dealer who confirmed the exhaust leak. I replaced the left manifold completely and replaced bolts/gaskets on both sides (left/right) and it fixed the problem. Be careful, as the dealer tried to gouge me on the price. You are looking in the ball park of $600 parts/labor. I got parts for $120 and it took the better part of a work day to do the job.
Very hard to know without actually hearing the vehicle but,,,With what you describe,the cat/converter 'may' be making the sound.With the car off and engine cool,get under and give the cat/con a really give shove or hit.The insides of them do corrode and the internals make a very loud rattle.If this isn't the problem it will let you see if there is a loose exhaust mount that may also make a rattle.(The cat/con sound is like there is a very loose metal plate hitting something)Its actually the internals of the cat. that have broken loose and rattling inside it.Hope this helps
Look to make sure your brake caliper bolts are secure as the can back out and contact the wheel itself. You can feel around the whell for and gouges or scraping to confirm this. It is a stretch but there may be some foriegn object stuck under there as well.