I am trying to replace the mast on my wagon.The last part of the mast(metal tube) will not come out of its holder.I also took out the holder from the body for increased leverage to pull with pliers.Is there something I am doing incorrectly.Any help will be appreciated.Thanks Robert.

I decided to push it down the holder instead of pulling it out the top of it.The mast is out.Thanks for all your help.Robert.

Yes, there is a metal jacket between the antenna and the mast holder. Penetrating oil will help, but it is hard to get it in because the metal is so tight.
What I did was place the antenna motor/bracket in a vice, gently, don't bend anything! Then, with a pair of regular pliers placed behind the antenna tip (the pliers have a 1/4 inch opening right behind the point when closed), I tapped the pliers with a hammer quite hard. This will force the holding tube to come out of the motor mast.
Grease up the metal piece before putting it back on.

Klaus
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98 V70Rawd(108Kmi), 95 854T(88K mi), 75 164E(173K mi)

I did this a little over a year ago and remember there was a trick to it.

Take a closer look at the metal tube, I believe that there's an inner tube within the outer tube, if you look at the threads you'll see that the top thread really isn't a thread but is a lip.

Gently work on that, see if it comes out.

Soak it in some penetrating oil. There are no real tricks to this one, it sounds like yours is just corroded in there.

Mark