Okay maybe I am a sissy but I am trying to adjust my lower control arm length.What should be a simple 10 minute process has taken over and hour and counting. The jam nut is completely stuck. It will not budge. I hve tried breaker bars, lubey shi* and still nothing. Actually its 1 on each arm. With the heim on the end there is no way to get an impact on it. I am gonna maybe try heat tomorrow. Anyone else had this problem. What are your suggestions?