07 tahoe front end clunk

[nytroking11]

I have a 07 tahoe 125000 miles 4x4 ltz the clunks coming from the driver side in front at first it was squeaking then the dealer greased it and now it's clunking it does it at 5 mph and 60

 

[canakin]

Might need a little more to help you, but if it is while you are turning, there are am set of steering knuckles between the steering wheel and rack/pinion. I have heard them clunking before when they go bad.