Oil gushing out rear main seal

Tiny
BIGO
  • MEMBER
  • FORD F-150
I have a 89 f150 5.8, c6automatic with almost 200.000. Its got oil flowing out the rear main. Which is easier drop the tranny or pull the motor, im leaning toward tranny drop, if I drop it would it hurt to replace the fluid and filter in it, as it has that many miles the trans shifts fine however. Also since I noticed this leak the oil pressure goes to nothing at a stop in gear then after it blew naturally it was dropped at a idle think the seal will cure that, as its gushing now would a test be accurate or should I just put a new oil pump in while she is down? The motor runs like a champ dont burn oil plenty of pickup, no chatter when gauge dropped either. I just dont wanna keep tearing it apart all winter in the -5 wind chill weather is why ive got so many questions. Thanks for any help
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Friday, February 2nd, 2007 AT 6:53 PM

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Tiny
BOOTDOG
  • MEMBER
I would drain the tranny first. Removing the tranny will be a lot easier then removing the engine to replace the rear seal. Replace the rear main and do a filter change on the tranny. If the oil pressure still drops, change out the oil sending unit (which is cheap) before dropping the oil pan to change the oil pump. I would make the oil pump my last resort. Good luck :)
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Friday, February 2nd, 2007 AT 7:46 PM

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