Today i changed the oil on my XC60 D4 and later realized i made a very dumb mistake.... Accidentally left the washer on the sump and put a new one on the plug.
This is not my first oil change by any means and never happened similar. Can it cause a problem in the future? Can the plug loosen or leak oil?
I torqued it well and felt the washer is tightening completely.
I don't want to drain the expensive Liqui Moly oil if the 2 washers doesn't cause problem. I will keep my eye on the plug btw.
Any comment is appreciated
