I don't believe it has anything to do with lugging the engine as it also does it during deceleration. There is a prominent vibration around 1200 in all gears. Evidently GM and the dealership think its ok to sell defective vehicles and refuse to fix them.
I think its in the engine. its not speed related its rpm related as it does it at all speeds when your close to 1200 rpm. Also the engine was updated in 23 with 5 more horsepower and that's when they started to have engine vibrations problems. These are the 2 TSB's that were listed on my service...
Its in the engine and I don't believe it has anything to do with lugging in high gear as it does it in all gears but mostly noticeable in high gear simply because you are able to maintain the rpm for a longer duration making the vibration more noticeable ---I believe it affects all platforms...
If you listen carefully its doing it in all gears and they cannot fix it and they sell thousands monthly even though they are aware of it! Evidently they think its ok! thx GM. Its just what a new car buyer wants in a new vehicle
what is the definition of a defect? look it up--GM can say its normal but its not. well I guess you have to experience it for your self to really know how bad it is . I never in my lifetime purchased a new vehicle that had an engine vibration like this. I does it during acceleration and...
per the service department any vehicle that vibrates around 1200 rpm is on the customer--be sure if you test drive to pay attention so you don't make the same mistake I did--- UPDATE! The dealer wants to charge me an additional four thousand dollars to trade in for something else---I think I...
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