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Showing results for tags 'accidental engagment'.
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I was towing my 24' boat with my 2014 GMC Sierra truck in 2 wheel high (I rarely use 4 wheel drive). Unknowingly, it slipped into 4 wheel drive as I'm driving 65 + miles per hour on a dry highway. I finally realized something was wrong as I noticed an unusual humming noise and I could smell oil burning? A repair shop told me the truck was in 4 wheel drive and the front left gear oil must have overheated causing it to spew out (causing the burning oil odor). Their inspection also revealed that the front left gear box bearing was damaged and loose; obviously damaged due to loss of gear oil! The repair guy told me that he had seen this problem before! Makes me wonder if it is a defect with the GMC? Has anyone ever experienced, or heard, about this problem occurring with a GMC?