Help freeing up a ceased seat post?

Anyone have any advice on freeing a ceased aluminum seat post from a steel frame?

I've tried everything short of taking off the cranks and bb and pb blasting the seat tube from the inside.

Really dont want to hacksaw it out, but my seat is about 1-2cm too low and its not the most comfortable ride right now.

 

 

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Permalink Reply by Josh.E on July 26, 2012 at 9:38am

Have you tried ammonia or Coke since it can dissolve the oxidation that can occur between steel and aluminum?

Permalink Reply by Koltraned on July 26, 2012 at 9:50am

Haven't gone that route yet. I'll give it a go tonight.

Josh.E said:

Have you tried ammonia or Coke since it can dissolve the oxidation that can occur between steel and aluminum?

Permalink Reply by Kevin C Dormant on July 26, 2012 at 9:53am

Or you could read here or here.

Permalink Reply by Koltraned on July 26, 2012 at 10:42am

Plenty of reading. Should have searched a bit harder before posting. Thanks.

Kevin C said:

Or you could read here or here.

Permalink Reply by Koltraned on July 27, 2012 at 4:37am

Freeze-off did the trick. About half a can's worth and an hour soak. Cheap fix, 4.99 at AutoZone. Thanks again for the advice.

Permalink Reply by Kevin C Dormant on July 27, 2012 at 4:49am

Yay! Congratulations.

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