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frozen stem(4 posts)

frozen stemrodemiles
Jul 2, 2001 3:46 PM
Before you say it, yes, I did grease the stem before I installed it in my frame. But that was 11 years ago, and now it's frozen. I just turned it upside down and sprayed penetrant into it and am waiting a little while before I try and break it loose. Any suggestions as to how to do this as practically as possible without damaging anything?

Thanks
One suggestionCima Coppi
Jul 2, 2001 4:12 PM
I have done this before with positive results. Lightly tap on the stem over the quill bolt with a rubber mallet. Since you sprayed a lubricant into the steerer tube, tapping on the stem should start to work it loose.

Good luck!!

CC
One moreRusty Coggs
Jul 2, 2001 8:46 PM
assuming you can turn the quill bolt, back it out a few turns and while supporting the stem, whack the bolt. This will often loosen the wedge or plug holding stem to steerer. Some that use a plug type expander always have to be whacked to loosen them.
Annual treatmentKerry Irons
Jul 3, 2001 7:20 PM
It's best to clean/re-grease the stem ANNUALLY, not once every 11 years. Another trick would be ammonia, which attacks the aluminum and may separate it from the steel steerer, and heat/cold cycles, which may break the bond between the stem and steerer.