Looks like seepage from the gearbox drain plug, Could be tracking from somewhere else, (I have a rocker cover leak that I thought at first was from the gearbox) but the bizarre cleanliness might make this easier to see.
Dunno. No experience of such cleanliness.
Assuming it is from gearbox, first move should be to locate the fill plug and check the oil level. You probably havn't lost much, but it would avoid the slight risk of driving around indefinately with low oil IF just tightening up the plug a bit stops the leak.
IF it doesn't, and you have to remove the plug to replace the washer, it would also avoid the classic empty gearbox and stuck fill plug gotcha.
I've sometimes smeared the washer with RTV silicone and put some PTFE thread tape on the last few threads, but that shouldn't really be necessary with a new crush washer.
Edited by edlithgow on 10/11/2022 at 10:20
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