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Discussion Starter · #1 ·
Restoring an older road bike with quill stem. Aluminum stem is stuck in steel steering tube. I got the wedging nut disengaged.. If I put a straight bar in the stem and hold the forks in my wood bench vise I can, with force, move the stem side to side (makes an awful screech) so i am assuming corrosion is the culprate. Same solutions as aluminium seatpost stuck in steel frame?
 

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I have with used PB Blaster with great success to unstick some heavily corroded parts. I used to do a little bit of exhaust work and it NEVER failed to free parts long corroded and heat cycled together. On some things you need ot let it soak overnight, but I would say almost without fail that it will unstick those parts.
 
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