Use a hammer and chisel, hit it anti clockwise and it will come off. Do not go hitting a drill bit with a hammer if you dont want bits of drill in you skin. Do not smash a socket on it as you will most probably crack the sump as its only think cast aluminium. Doubt vice grips or stillsons will get it off either..
Herein, how do you remove a rounded drain plug?
Turn the pliers to the left, or counterclockwise, to loosen the drain plug. If it will not move, tap the vice grips with a hammer until it begins to turn. As you feel the drain plug begin to loosen, wedge a flathead screwdriver between the plug and the oil pan to pry it out.
Also Know, what causes a stripped oil drain plug? The most common places this happens in a motor is valve covers or intake manifolds bolting to aluminum heads or oil pan drain plugs threading into aluminum oil pans. A stripped oil pan drain plug can be especially frustrating because it will leave your oil drain plug loose causing a constant leak.
Likewise, people ask, how do I remove a stripped bolt?
Here are seven of the most common ways to remove a stripped bolt (or rounded, rusted, or seized).
- Impact Force.
- Heat.
- Relief Cuts.
- Shake the Bolt.
- Drill It Out.
- Bolt or Screw Extractor.
- Reinstall New Bolts or Nuts.
What size socket fits oil drain plug?
Place a 3/8-inch (0.9 centimeters) socket in the socket wrench, fit it over the drain plug's nut and turn it counterclockwise. The oil drain plug should open easily, draining the used oil from the engine.
Related Question Answers
How do you loosen a bolt?
How to Loosen Nuts and Bolts - Spray the nut with penetrating oil and let the oil sit for 10 to 15 minutes to penetrate the threads of the bolt.
- Hold a hammer against one side of the nut, and hit the other side with a second hammer.
- If the nut is badly rusted, pour hydrogen peroxide on it to dissolve the rust.
Can I drain oil from filter?
Yes. The Oil screen/filter is in the bottom of the case and removing it will drain the oil too. If you really want to change your oil without pulling the plug out of the oil pan there is a tool for that. It's called a Topsider (Amazon Link).How do you fix a cross threaded oil drain plug?
Remove the center part of the plug and set aside. Apply JB Weld to the threads of the oil pan drain plug, both sides of the attached gasket, and the drain plug opening in the oil pan. Screw the oil pan drain plug into place.What happens if you over tighten oil drain plug?
If you over-tighten the drain plug, you can strip the threads. And while it's harder to do, you can damage the rubber gasket atop the oil filter if you really overtighten it. In the shop, we tighten the oil plug about as much as we tighten a spark plug.Does oil drain plug need torque?
you don't have to be exact with torque 30-36 ft lbs would be fine with your drain plug. to keep things in perspective, if this is your first oil change on this car, then there would have been at least one oil changer that ran your drain plug down with an impact, and probably no one used a torque wrench.Are all oil drain plugs the same?
The drain plug is nothing but a large bolt. There is no reason to replace it, unless the shop damages it while taking it out, or loses it. That said, oil plugs do only come in a few sizes. A given car maker would generally use the same size plug in all their cars, it's cheaper and easier that way.How often should you change your oil drain plug?
The old rule of thumb used to be every 3,000 miles, but engine manufacturing and motor oil formulations have made significant advances, today's automakers recommending oil changes every 5,000 or 7,500 miles, some up to 10,000 miles or more. 
