trust me when i tell you this: find a good automotive machine shop in your area, and convince them to remove it for you. these guys do little jobs like this all the time, albeit not necessarily on the car, and would be much more likely to do it right without stripping the moving nut than you would be. if you wanna get crazy, go to the junkyard with a sawzall and cut out a b-pillar with striker intact, and take it to the machine shop so they can practise on it, then ask them if they'd do it for your car.

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