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 Post subject: My stem's stuck!
PostPosted: Thu Jan 11, 2007 12:41 am 
Retro Guru
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Joined: Wed Sep 20, 2006 11:23 am
Posts: 1256
Location: Winchester
I can't get the stem out of my Saracen! Any ideas other than brute force & ignorance?! It's currently enjoying a good soak in WD40. Probably hasn't moved in years though... :?

Why couldn't they have invented threadless headsets a bit earlier?! :lol:


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 Post subject:
PostPosted: Thu Jan 11, 2007 12:57 am 
Mr Darcy
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Joined: Wed Oct 26, 2005 8:36 pm
Posts: 5687
Location: Bicester
Always a bigger hammer...

Prolly already done this, but I put the wheel and bars in to twist and break bond first. If still stuck, then get a big hammer


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 Post subject:
PostPosted: Thu Jan 11, 2007 1:06 am 
Gold Trader
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Joined: Sat Jul 29, 2006 11:14 pm
Posts: 3880
Location: Somerset
Turn upside down, S**t loads of duck oil or similar (motor oil is too thick, 3 in 1 is better). Leave for ages, then some more! Then put stem in vice, wheel in forks and turn fork holding the wheel.

Hope it works.


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 Post subject:
PostPosted: Thu Jan 11, 2007 1:25 am 
Retro Guru
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Joined: Fri Sep 22, 2006 1:12 am
Posts: 2461
Location: Hobart, Tasmania, Australia
A slight variation on the above.

Turn upside down and soak in Penetrene* (assuming you can get it in your part of the world), for a week or two.

Place the forks up to the crown in a woodworking vice or other vice with soft wood to protect the legs, and tap side of stem with plastic mallet (use another piece of wood to protect it as required) to loosen.

You can also tap upwards under the stem as this sometimes is enough.

But the real trick is to soak it for as long as you can. Mates in the car restoration business have been know to soak seized stuff for very long periods to enable parts to be used again (years in the case of one rust seized engine).


* Penetrene is a specially formulated lubricant and penetrating oil. It penetrates to loosen frozen and rusted metal parts and protects against rust and corrosion.


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 Post subject:
PostPosted: Thu Jan 11, 2007 10:48 am 
Gold Trader
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Joined: Sat Jul 29, 2006 11:14 pm
Posts: 3880
Location: Somerset
andrewl wrote:
* Penetrene is a specially formulated lubricant and penetrating oil. It penetrates to loosen frozen and rusted metal parts and protects against rust and corrosion.


That sounds like Aussie Duck Oil! :wink:


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 Post subject:
PostPosted: Thu Jan 11, 2007 10:59 am 
Old School Hero
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Joined: Wed Nov 15, 2006 4:20 pm
Posts: 183
Location: East Sussex
Just a thought, but you've probably done this, after you undone the bolt did you whack the bolt - with a mallet - to release the wedge bit in the steerer tube that clamps it in place?

:?:


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 Post subject:
PostPosted: Thu Jan 11, 2007 10:39 pm 
Gold Trader / MacRetro rider
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Joined: Sun Apr 02, 2006 1:03 pm
Posts: 11796
Location: Returning
turn upside down and pour in some coke non diet works best leave for a while,overnight is best, and it should free up.

mikee


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 Post subject:
PostPosted: Thu Jan 11, 2007 11:00 pm 
Retro Guru
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Joined: Wed Aug 09, 2006 11:49 pm
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Location: writes stuff
loosen the quil bolt, whack it, turn it upside down and hit the bottom of the quil with something plastic faced through the hole in the forks.


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 Post subject: Re: My stem's stuck!
PostPosted: Thu Jan 11, 2007 11:06 pm 
retrobike rider
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Joined: Wed Jan 04, 2006 10:12 pm
Posts: 2993
Location: Northumberland
Ziggy wrote:
brute force & ignorance?!

Thats my method of choice. Big lump of wood on top of stem, big hammer smack it nice and hard :wink:


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 Post subject:
PostPosted: Fri Jan 12, 2007 11:22 am 
Old School Grand Master
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Joined: Tue Jul 05, 2005 3:14 pm
Posts: 13411
Location: Warwick
Good exercise this. Hold front wheel in legs and just TWIIIIIISSSST

Very satisfying when it goes CRACK and its freed....

(Or your wheel gets bent)


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