1997 Chevrolet Blazer dont know what something is

1997 CHEVROLET BLAZER
180,000 MILES • 6 CYL • 4WD • AUTOMATIC
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JENNY712
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  • 1 POST
There is something behind the front rotor of my truck it almost completely circles my rotor stopping inches from my caliber on both sides. it is torn I dont know what it is or how important it is to have replaced. I have not seen it on other vehicles
Sep 11, 2015 at 8:06 AM
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RIVERMIKERAT
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It's either a dust boot or the backing plate. They keep things from being kicked up off the road surface and getting stuck between the rotor and non-moving components.
Sep 11, 2015 at 8:57 AM