bottom leg

guru

Cadet
Joined
Mar 5, 2003
Messages
12
On my 1980 9.9 chrysler on the bottom leg there are to plugs one says oil and the other says vent. what is the vent plug for do i remove this when adding gear oil.<br /><br />thank you
 

ob

Admiral
Joined
Aug 16, 2002
Messages
6,992
Re: bottom leg

DLM,Yes.Remove both plugs and add gear oil from the bottom until it weeps out of the top vent hole.install the top vent plug first as to minimize oil loss from bottom hole and then reinstall bottom plug.This fill method insures a sure fill without any air pockets forming.
 
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