Noisy gmc 2500hd in 4 hi
So I put my 2018 in 4 wheel drive for the first time today as it was snowing heavy. The thing was whining and noisy like I’ve never heard before. It sounded like I was driving a diesel. I had a 2017 t...
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rtreptow7 wrote:
Tire pressure is good. I agree with Ralph, my previous trucks including the 17, made no noise in 4 hi. Couldn't hear a difference. Will be calling dealer today. Truck only has just under 5K miles.
Good Luck. The issue with the dealer is your chances are pretty good that the service writer and service manager are nimrods, and they'll assign it to some nose picker with an IQ of 61.7. He'll look it up, find that TSB, and expect that to be the end of it. I hope that doesnt happen.
That is unless you have access to some kind of super dooper dealer service dept. I used to have that until the local GMC dealer was absorbed by a mega dealer. The head mechanic was also the service manager, service writer, parts guy, sometimes salseman, and cashier. The guy knew his craft.
I have a long time friend in the transmission business who could tell you in about 30 seconds whats going on. Too bad you're not in western PA.
