Hello as seen above in the cover I need help regarding my caprice bj 86 5.0l and that leaks my oil tank in the front area … what do I have to notice when changing the seal or can I change the one in the built-in motor? and have you there some tips maybe had already made it!. My TH 200 gearbox Needed also an oil change parts I have everything there except oil and the correct quantity if I just want to make a filter change without a converter. I am e search for every tip Grateful mfg.