Hyundai Repair Questions? Ask a Mechanic for Answers ASAP
Don't think your issue is bad, as there are a lot of reports for this engine rattle due to the exhaust heat shield
on the 2.4L engine .
You are still under warranty so that should take care if its anything else ,but as said the 2.4 have been reported that the heat shield gets loose and rattles .
Then if needed please get back to me with the reply button, and not the poor or bad service, this way i can get back to you or suggest another expert if needed.
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If you are not happy or you have sorted out your problem before the answer then please let me know with the reply button .
Kind regards Greg.
This all depends on the rattle type noise does it come and go with engine rev's .
Only on start up ,
Gets louder with engine speed .
Can the rattle be influenced with engine speed .
Sounds like a possible timing chain rattle , also a known issue if oil level is low (yours is okay you checked it)
Low oil pressure, chain guard/guide or the tensioner has failed ,
The other possibility's is the valve train but only if someone had the head removed and had the valve buckets out and replaced them in the wrong order.
So have this checked could be the timing chain .
Okay if oil was low this will cause the chain to rattle now you have it at the normal level start the engine and let idle for a few minutes, if the level was the problem the rattling should stop .
Be a good idea to have someone be at the car to define the noise and smell problem.
You may have a oil leak and this is what you can smell.
Ones the engine is at engine temp hold the rev's at 2000 rpm for a few minutes
this will bleed the oil at the chain tensioner (if this is the issue )
Otherwise as said have someone( mechanic) take a look ...
Just checking in if you still need assistance .