Recent content by Marchant
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2017 Denali fluttering when accelerating. VIDEO
Well... my dealership has been wstill no resolution. The last time they had my car for 2weeks checking things, but GM would not allow them to fix anything because they already replaced my exhaust. When leaving the dealership I was pretty much told “gm says it’s normal” but the service manager...- Marchant
- Post #53
- Forum: Engine & Drivetrain
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2017 Denali fluttering when accelerating. VIDEO
Any updates with a solution to the flutter noise?my 2017 Denali is at the dealer for the 3rd time. They have replaced my exhaust and fuel feed line. Neither fix stopped the noise. It’s been at the dealership for a week and they called yesterday and said GM gave them a very lengthy list of...- Marchant
- Post #50
- Forum: Engine & Drivetrain
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2017 Denali fluttering when accelerating. VIDEO
Did they find the problem in the torque converter/transmission? Mine is in the shop for the 3rd time. They have already replaced my exhaust, and fuel feed line but the noise continued.- Marchant
- Post #49
- Forum: Engine & Drivetrain
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2017 Denali fluttering when accelerating. VIDEO
Any updates on if the dealer was able to fix yours? Mines in the shop for the 3rd time. They have replaced my exhaust, fuel feed line , and the noise continued. This time they have had it a week with no solution. GM has given them a long list of things to check but haven’t heard of a solution yet.- Marchant
- Post #48
- Forum: Engine & Drivetrain
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2017 Denali fluttering when accelerating. VIDEO
Any update? Mine is headed aback to dealer tomorrow for the 3rd time. Exhaust has been replaced, second time at dealer fuel line replaced (now it’s worse... hear it all the time, even while at cruising speeds)- Marchant
- Post #47
- Forum: Engine & Drivetrain
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2017 Denali fluttering when accelerating. VIDEO
Wondering if you have ever got this resolved? I'm experiencing the same on my17 Denali.- Marchant
- Post #45
- Forum: Engine & Drivetrain
