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8 Μαρ 2015 · The stainless screws cause the aluminum to corrode and the screws seize up. Sometimes they come out with a bit of patience, drips of penetrating oil and a wait and maybe a tap with an impact driver.
8 Νοε 2008 · Has anyone mastered removing corroded bolts from aluminum housings? Particularly those below the water line (lower ends and waterpumps) are giving me fits.
18 Απρ 2020 · If you can't hit the head because of clearance issues, try using a drift pin/punch/another bolt against the stuck bolt and pound on that. Then try and remove it by hand, not with an impact. SS is actually pretty soft and the impact might twist off the bolt-head. You could also try thermal shocking the pieces.
Manifold studs break, and most extraction methods include drilling it out, and ruining the aluminum threads. Here's a neat way to use a battery and a welder ...
17 Ιουλ 2013 · Anti-seize compounds that utilize copper are unsuitable for aluminum applications. For fasteners that aren’t routinely disassembled, use a thread-locking compound such as Loctite, which prevents fasteners from unscrewing themselves and protects thread interfaces from moisture and seizing.
Learn how to loosen stuck nuts and bolts corroded solid on a cylinder head and free stubbornly frozen stainless steel bolts in an aluminum lower unit. Stuck Fasteners Are Constant Source Of Frustration For Do-It-Yourselfers.
15 Ιουλ 2016 · Smacking the head of the bolt a few times with a hammer can help, as can doing a small 'tightening' turn before loosening it. However, the best way is to hit it with heat. The aluminum case itself is going to expand significantly faster than the bolt, so that can break up the corrosion enough to unbolt it.
