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Quicksilverfrs · 07-20-2016, 02:04 AM

Had the same exact issue on my Lexus IS300. Popped the hood open and it turns out that it was a bad serpentine belt. Do you notice the noise more when the A/C is on? If so it's definitely the serpentine belt or a loose tensioner.

07-20-2016, 02:04 AM	#22
Quicksilverfrs Member Join Date: Jan 2016 Drives: 2014 Firestorm FRS Location: MI Posts: 12 Thanks: 5 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Had the same exact issue on my Lexus IS300. Popped the hood open and it turns out that it was a bad serpentine belt. Do you notice the noise more when the A/C is on? If so it's definitely the serpentine belt or a loose tensioner.