Hello everyone, I’m having an issue with my 2011 Jeep Grand Cherokee, 5.7 Hemi.



If I’m going 20 mph or less, the whole car vibrates or shakes. It only happens when I’m going up a steep hill, and it feels like it lacks a bit of power. At higher speeds or with momentum, it climbs without any problem, and there’s no vibration at all.



In daily use, I don’t notice any vibrations, not even when moving the car from a parked position in the garage.



Any idea what it could be?