Please help the car is a 2009 Corolla le. Anyways about 3months ago I head the head gasket replaced and the head rebuilt. Well two days ago it started making this noise. I couldn't attach videos so I will send YouTube links. Anyway I suspect it is the alternator making the noise, however I would like to hear other opinions seeing as it just had major work less than 3k miles ago.
Video one
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Update.. I tested voltage of alternator and it is between 13.5-14.05v so it is working. However I think it's the alternator bearings wearing because it sounds like it's coming from there and also I did the long screwdriver trick where you out your ear to it lol and I can hear it making noise. I know laugh at me lol. Also the car has 163k at 161k the head gasket and all the belts and water pump. Ect were changed the head gasket cracked between cylinder 3 and 4 and only symptom was a misfire the car was parked immediately and the head gasket was repaired. Any suggestions are welcomed thank you
Video one
Video two
Video 3
Update.. I tested voltage of alternator and it is between 13.5-14.05v so it is working. However I think it's the alternator bearings wearing because it sounds like it's coming from there and also I did the long screwdriver trick where you out your ear to it lol and I can hear it making noise. I know laugh at me lol. Also the car has 163k at 161k the head gasket and all the belts and water pump. Ect were changed the head gasket cracked between cylinder 3 and 4 and only symptom was a misfire the car was parked immediately and the head gasket was repaired. Any suggestions are welcomed thank you