installed new nv4500 in my 97 works great but I have a leak between the trans and transfer case called place from where i got tranny and they sent me a new seal pulled transfer case and where the seal rides has a shiney ring on shaft of transfer case , shaft does not appear to have a groove in it its just real shiney , does any one make a speedysleeve for shis I hate to put it together just to have it leak again. any input would be appreciated thanks .