01-28-2018, 01:52 PM | #1 |
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Grinding Noise from back wheel
Just got my car and all of a sudden I hear a grinding noise from the back wheel. It sounds like a metallic grinding sound and follows my speed pattern.
Weird thing is the car drive and brakes fine. I had the music on and windows up and didn't hear it. When I turned the music off and out the windows down I heard it. I looked at the tires and wheels and they look fine. I checked under the car (not on a lift though) and looked ok. It's the strangest thing... Any ideas? |
01-28-2018, 03:25 PM | #2 |
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Drives: 2018 LBB M2, 6MT
Join Date: Dec 2016
Location: Cleveland, OH
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Could be one of a few things.
Rock stuck between heat shield and brake rotor (push heat shield back away from rotor a little bit to free it) If it's a brand new 2018 and the dealership washed it, could be some surface rust on the rotor(s) grinding against the pads. Brake a few times and that should clear it up. Could also be parking brake rubbing inside the rear hat, if it doesn't go away soon I'd take back to the dealer and ask them to check adjustment on the parking brake.
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2004 Matrix XRS 6MT => 2008 VW R32 DSG => 2012 Audi TTRS 6MT => 2018 BMW ///M2 6MT
I'm an IT guy by trade and tech nerd by choice. I like HPDEs, parts of US Hwy 129, NC 28, and the Cherohala Skyway. I'm also a fan of aural pleasure. |
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01-28-2018, 07:10 PM | #3 |
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search 'soda can crunch'
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horsepower_and_hounds1836.00 rocke29105.50 |
01-29-2018, 06:29 AM | #4 |
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Thanks all. It was the heat shield touching the brake rotor. I pushed it back a bit and the sound is gone.
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