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Shawn J.

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About Shawn J.

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  1. I got a 2020 High Country Duramax and it does the same exact thing as the video at idle. That is the reason I am on here. I had a lot of Duramax trucks including two 2017 LP5's. I am used to the 70K 1970's tick...lol but this is like an engine knock and very annoying to say the least. I have 200 miles on mine. I guess it is normal from the other posts on here so I feel a little better. I was going to go back to my dealer and listen to another one to see if it does it but I guess I will just wait to see what GM eventually says about in a service bulletin.
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