So i just installed headers 2 days ago and its ran great both days no problems at all, then today i had to drive out to help a friend change a tire on the highway and i notice that the button on the T-handle was getting stiff and it continued to get harder to push in. So when i got to my apt. about 15mins later i coudnt even get it into Reverse or Park, so its stuck in N and D. I took the handel off and tryed it without that but i white plastic rod is just a stiff and not moving at all. Any suggestions? im lose here im not to knowledgeable on transmissions but i was shifting just fine and running great so it really caught me off guard.