How to (and how not to!) remove machining toolmarks from a CNC machined aluminum box. Conclusion: sanding works great on flush surfaces, but recessed panels proved harder!
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2006 Volkswagen 1.9 L. turbo diesel with an engine oil drain plug that will not come out because of stripped threads in the steel insert in the aluminum oil pan. This is the procedure for removal of the drain plug, and how to fix the threads in the steel insert in the engine oil pan.
Here is a link to find your vehicles fluid capacities, including Car & Light Truck, ATV, UTV, Snowmobile, Personal Watercraft, Boats and Lawn and garden equipment. https://www.fluidcapacity.com