Corolla POPPING noises , 18 year old newb need some help :( ....

#1
Hey yall.....hope you doing good.

I was driving my corolla 2009 ce and suddenly started earing these weird popping noises and crackling noises...

Thanks for your time guys : ) .
 
#2
Take the belt off and try to isolate it if you can. Possibilities could be the belt, alternator bearing, belt tensioner, water pump bushing, idler pulley or a combination. If you have a lot of miles, it may be time to replace some of the those wear & tear components. Personally, I replace the belt, idler pulley, & tensioner @ 100K miles.
 
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