How do you remove the upper seal on the stern drive

dissturbbed

Seaman Apprentice
Joined
Jul 9, 2014
Messages
30
1978 mercruiser 120 hp pre alpha= I have split the stern, the upper guts have been removed and all i have is the aluminum housing with the seals in place. I have removed the lower seal without a problem however the upper seal will not budge. Is there some technique or do i need to use more elbow grease? The shop and online manuals do not say much. I do not want to really pound hard because i dont want to damage where the seal sits in place.
 

achris

More fish than mountain goat
Joined
May 19, 2004
Messages
27,468
It pushes out from the bottom, into the gear cavity. ie, drive it UP. The lower seal gets driven down to remove it... You must be using a seloc or clymer, because the Merc manual actually tells you that.
 
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