Taking Care of Sticky Screws |
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Dan Stern wrote: WD-40 is NOT a penetrant. It's a Water Displacer (as in W. D.--and it's not all that good at doing that, either.) Kroil is universally recognized as the finest penetrant out there. Liquid wrench works OK. B'Laster is supposed to be good. And I have had more than my share of excellent results on rusted-up or corroded junctions with diet Coke. (Coke because the phosphoric acid does a fantastic job of eating-away corrosion and rust, and Diet because that way there's no sugar to act as a glue in the junction.)
Stephen Thurber wrote: Get a reverse (left hand) bit about 1/2 the diameter of the screws. Use a drill running reverse. The bit will dig in and catch the screw and back it out. Use liquid wrench first and give it a couple of hours to penetrate. Snap-on sells reverse bits as do really good hardware stores.
Wayne Toy wrote: The screws that hold the distributor cover on are M4X0.7's. I run a tap through these two screw holes every time I remove the screws.
