I have a bad seal on my 2003 lakota gear shift shifter I have changed 2 seals still leaks i have a bushing and seal witch is my last try.My question I found a trans cover with gasket and 3 seals sprocket seal reverse seal and gear shift seal when I take cover off besides oil gasket amd seals will anything else have to be changed will it be a straight swapping covers if nothing else is broken or damaged witch it shouldn't be ?