13mm
ask your Mom, she had sump nut last night.
17mm bolt and nut
The sump nut is on the sump or oil pan of your VW. if you jack up your car and climb underneath it from the front you'll see the sump nut on the lowest point of the engine pointing towards the back of the car and slightly down. Don't undo the sump nut/ plug with the engine warm/hot, the oil in the sump will also be hot and can scold you.
THE FORD GUY SAYS` remove leather gater from handbrake, you will see a 10mm nut, give it a few turns and try, and a few more and try again till its about 4/5 clicks, that's it good luck
if it is what i think it is there is a nut that you put a bolt in that pulls the sump down
Remove nut from bottom of sump.
To remove the sump nut on a Ford Mondeo, first ensure the vehicle is securely lifted and supported, and drain the oil into a container. Use a suitable socket or wrench to loosen the sump nut, turning it counterclockwise. If it's stuck, you may apply penetrating oil and allow it to soak for a bit. Once loose, carefully remove the nut and the washer, ensuring you have a new washer ready for reassembly.
The nut used on the rear hub is a locking nut. With some muscle it will back off. It is advised not to reuse that nut.
all you do is undo the nut on the bottom of the sump and drain the oil
To remove a tight sump nut, first ensure that you're using the correct size wrench to avoid rounding the edges. Apply penetrating oil to the nut and let it sit for a few minutes to help loosen any rust or debris. If it’s still stuck, use a breaker bar for added leverage or gently tap the wrench with a hammer to help break the seal. Always be cautious not to apply too much force, as this could damage the surrounding components.
To determine the size of a nut, you can use a nut size chart or a caliper tool to measure the diameter and thread pitch of the nut. This will help you identify the correct size for replacement or fitting purposes.
The lug nut size for a 240sx with a four lug pattern is 10x1.25. The lug nut size is 12x1,25