i have a 87 sunbird cosair i can shift into drive fine and go but i cant get it to shift into nuetral from drive . if i turn boat of and shift it it works fine . i can start boat up put it in reverse and it works but i have to pull alil more father back than i should i can get out of reverse and back into drive ok with engine running but not other way around . anyone no what cable this might be or if i can adjust it somehow . or is it my gear shifter itself?