Originally Posted by
EvoFreak
I used a plier featuring a notch fitting the outer diameter of the body adjuster, so no stress to material. I used Tamiya's metal bearing lubricating oil (53508). Maybe this caused a swelling of the o-ring? Which one you have used? With "black grease" you mean Asso's diff grease or Tamiya's AW grease?
AE black grease and I just wiped a little on. I then screwed down and down a couple of times to loosen it up. It was hard but I didn't need pliers.