![What are these lines on this Gates' serpentine belt? I noticed it as I was changing the washing fluid. It doesn't squeak and it's only 8 months old. 2010 Ford Escape : What are these lines on this Gates' serpentine belt? I noticed it as I was changing the washing fluid. It doesn't squeak and it's only 8 months old. 2010 Ford Escape :](https://preview.redd.it/what-are-these-lines-on-this-gates-serpentine-belt-i-v0-w7efg8coeaza1.jpg?width=1080&crop=smart&auto=webp&s=7b71de5e5dca5bb2bc1d7722c5a67165db155b6a)
What are these lines on this Gates' serpentine belt? I noticed it as I was changing the washing fluid. It doesn't squeak and it's only 8 months old. 2010 Ford Escape :
![Gates K060480 Serpentine Belt Fits select: 2009-2010 TOYOTA COROLLA, 2013-2019 NISSAN SENTRA - Walmart.com Gates K060480 Serpentine Belt Fits select: 2009-2010 TOYOTA COROLLA, 2013-2019 NISSAN SENTRA - Walmart.com](https://i5.walmartimages.com/asr/26cea86f-ed09-4314-859b-80f825f12748.a231d56e7080d909a1282f5cc2c1e473.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Gates K060480 Serpentine Belt Fits select: 2009-2010 TOYOTA COROLLA, 2013-2019 NISSAN SENTRA - Walmart.com
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![Gates MicroV Serpentine Belt - Mitsubishi Evolution GSR 2008,2010-2015 | K061033 | Rallysport Direct Gates MicroV Serpentine Belt - Mitsubishi Evolution GSR 2008,2010-2015 | K061033 | Rallysport Direct](https://cdn.shopify.com/s/files/1/0754/6748/9554/products/f70215f68e09d41ea130769a74151a1b.jpg?v=1694882539)