Quote:
Originally Posted by HPsauce
Is there a recommended method for dealing with these seized screws/bolts on the ECU cover?
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Are they just spinning? If so, force the lid open while turning the screw and it will pull the threaded insert out of the lower box. The trim will have to be forced out unfortunately. A bit of 3-in-1 / WD40 under the washer can help it come out without destroying it, as long as the screw isn't too tight. If they spin, it can probably be recovered.
Depending on how badly corroded the screws are, sometimes they can be loosened using mole grips on the insert once the lid is off. Worst case drill the heads off. I replace the factory inserts with M5 D nuts like these and fit new screws.
