hey guy's! need some info.i have a 92 f-150 with a t-18 borg warner trans ,a1356 transfer case and you know it's a 4x4. ineed to know if anyone knows the number of the seal that goes in the alum extension housing.mine is missing and ford does't know anything about it . i know it has to have one cause my gear oil is filling up the housing and making my front seal get soft on the tranfer case.any advice? thanks! p.s. i'm new to the site so bear with me ! /emoticons/[email protected] 2x" width="20" height="20" />