If it's the "oil" drain plug, the size wrench is, better yet use a socket wrench=13mm.
The oil drain plug uses a 13 mm wrench.
If the drain plug is original equipment, it takes a 17mm wrench or socket.
the drain plug is located on the back side of the oil pan under the car.
15mm
You souldnt do an oil change by yourself if your not knowledgable enough to find the oil drain plug/bolt. Have a mechanic do it for you.
Using a suitable 15mm wrench turn the drain plug counterclockwise.
The original engine oil drain plug wrench size should be 15mm.
in the oil pan
It don't have 1.
The 2006 VW Jetta oil drain plug will be on the bottom of the oil pan. You can remove the drain plug with a 9/16 wrench.
15mm