Seized piston removal ideas (ABA)?

[amalventano at sc.rr.com (Allyn)]

hmm, if you cant turn it, and there are no signs of corrosion, it may
actually be fused/welded due to some heat-related problem. i'd say bust out
the mini-sledge and wham on that sucker with a well-placed blow. the piston
(aluminum) will go sooner than the block (steel).
Al

----- Original Message ----- 
From: "Jeff Toomasson" <jtoomasson@yahoo.com>
To: "Allyn" <amalventano@sc.rr.com>; <scirocco-l@scirocco.org>
Sent: Saturday, November 15, 2003 6:34 PM
Subject: Re: Seized piston removal ideas (ABA)?


> Thanks for the response, Al - unfortunately, I can't turn it.  >:(
>
> Is heating it not an option?
>
> JT
>
> Allyn <amalventano@sc.rr.com> wrote:
> can you rotate the piston via the connecting rod? if so, its probably a
ring
> stuck to the cylinder wall. you could rig a puller somehow to apply force
to
> the surface of the piston (carefully), then tap on the surface in the same
> direction (the constant and impact forces together may help).
> Al
>
> ----- Original Message ----- 
> From: "Jeff Toomasson"
> To:
> Sent: Saturday, November 15, 2003 6:01 PM
> Subject: Seized piston removal ideas (ABA)?
>
>
> > Hi guys and gals - after a week of soaking the combustion chambers in PB
> blaster, I had no luck and decided to disassemble the bizatch.
> >
> > I got the other three pistons out (1-3) and the crank out no problem,
but
> I'm not having any success with the seized one. I tried pounding on it
from
> top and bottom (tap area covered with multi-layers of a rag), but it won't
> budge not so much as a millimeter.
> >
> > Is this an instance where I can use my propane torch to heat it up? Will
> that help break anything free? If so, how does that specifically work? Any
> other ideas?
> >
> > Thanks! Jeff
> >
> >
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