f115a gear oil top-up

[tonybrown115]

can i top up through level plug?

[99yam40]

no, you should not add from vent.
follow the input you received on your last post with same question

[rodbolt17]

once filled correctly, yes you can use a squirt gun and top it off.
dunno why you want to if its already been correctly filled, but you can.
just remember as oil goes in air must come out.