A clunk or popping sound heard while turning may mean the intermediate steering shafts need realignment. Replacement of the upper intermediate shaft may be necessary.Google+
Car Problem Reports
Dodge Dakota Clunk or Popping Noise From Intermidiate Steering Shaft
Dodge Dakota Problem
Average Mileage: 84,000 mi (57,000 mi - 110,000 mi)
Visitor, 2005 Dodge Dakota, 103,000 mi
I hear a popping noise when turning, I can see where it is coming from. it is where the two shafts come together.
dealer says it is the rack, but I don't think it is.
have not had it fixed yet, but will update when it is done.
Popping noise when turning and going over speed bumps. Dealer recommends new shocks, bushings, steering column. Not yet repaired.
Visitor, 2005 Dodge Dakota, 66,000 mi
same as you discribe.