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- - H3 Metal Grinding Noise (https://www.hummerforums.com/forum/hummer-h3-17/h3-metal-grinding-noise-41884/)

Vanishingson

09-13-2019 07:23 AM

H3 Metal Grinding Noise

Does anyone know what this grinding noise is coming from the bottom of the H3?
It happens periodically while driving also the "Service 4 Wheel Drive" alert come on too.
Best way I can describe it is a grinding, winding noise it happens randomly.
Thank You

Doc Olds

09-13-2019 12:43 PM

Welcome to HF.

When asking a question Year, Model (Base/Adventure/Lux/Alpha.....) and Miles are important. Since we cannot hear your noise and you can, I would suggest you get under the truck and LOOK around. Check heat shields and brakes.

When was the last time Transmission,Transfer Case and Differential Fluids were changed?

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