Most good car tool shops will have them, usually a square drive hole in the head of the bolt, some normal socket drive kits may fit. (Normally the 3/8" drive one, I have used the 6" extension bar with the ratchet on the other end and it's worked a treat). Remember to ALWAYS replace the sealing washer when the plug is removed, if not I guarantee a leak will develop.
Unscrew the sump plug.
All the oil sump plug are on the lower part of the engine, in this case is the same, but you probably will no notice that because it is not a common plug, this car have a square plug.
8mm Square plug
What size sump plug do you need for a 2002 reg clio
forget that sh*t its a 19 or 21
8mm square socket
The size of the Renault mMegane Ssenic 1.6 1999 sump plug is 9mm. You can find this plug at the bottom of the gearbox.
its 8mm square
Renault Clio 1.2 on a 51 plate.You will find the oil filter on the drivers side just at the back of the engine near the sump. I know that on a Renault clio 172 the oil filter is actually under the engine its self, very hard to spot and work on.
I know it doesn't seem a lot but 20NM
Remove nut from bottom of sump.
dowty washer