2007 Yukon 4x4 Question??

[sisupower]

So for some time now I have a pop in front end on driver side. It happens when I take off from a stop sign or light and front end comes up a bit. I hear a pop and can feel it at feet. I haven't look into it real hard but am doing brakes in the next week and just wondered if anyone has an idea of some issue these had or what it could be. I did look into it one time but don't know where it was coming from. I do have a 2" level kit on front and a ranch hand grille guard. 20" factors wheels.

 

Thanks guys!

 

 

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