Use heat to loosen the cylinders from the head. Take advantage of the different thermal expansions.
On Sun, Feb 22, 2009 at 2:56 AM, Kristof Carton <[email protected]> wrote: > Mike B, > > > Thanks for the advice, but it's the problem that the left 2 pistons n°3 and > 4 are seized in the cylinder head. So destroying them is practicaly > impossible. The second thing is, I don't want to refit them with 1600 > cylinders, i would like it to be a 1500 as original as possible. > > Btw I live in Belgium, I can get to probably every part I want, but for the > 1500 it's a different story, that's why i would like to save it. > > Thanks again Mike > > > > > ----- Original Message ----- > From: "Mike" <[email protected]> > To: "Air-Cooled Volkswagen Discussion List" <[email protected]> > Sent: Saturday, February 21, 2009 10:27 PM > Subject: Re: [vintagvw] Seized engine > > >> I've disassembled some engines that were either rusted or seized and it >> can be very difficult to get the heads off of the cylinders and sometimes >> the pistons out of the cylinders. Soak everything with a lubricant/ >> penetrant oil and let it sit for a day or so. If necessary, use some heat >> to help release things. Carefully pry the heads off of the cylinders >> using a mallet, prying and heat. If they wont release, then you'll have >> to leave them stuck to the head while you get the pistons out of the >> cylinders. If one side is off, remove the rod nuts through the crankcase >> openings and take the rods off of the crank. >> If it's really badly rusted or seized, those parts are junk, anyway. You >> can then destroy them, if necessary to get it apart, but don't damage the >> case in the process or that'll be junk, too. >> You can fit 1600 cylinders right into your case and heads with no >> machining required, and as an added bonus, they're relatively cheap, >> widely available new and not expensive. Cyl. heads are also so cheap >> nowadays, that many rebuilders won't overhaul them, as it cost about the >> sme to buy new. Single ports can be swapped for dual ports with all the >> correct tin, and intake manifold pieces. >> I understand that you say that parts are scarce where you are (where is >> that?), but maybe another engine would need less parts than this one may >> need. >> >> Good luck, >> >> Mike B. >> _______________________________________________ >> vintagvw site list >> [email protected] >> http://lists.sjsu.edu/mailman/listinfo/vintagvw >> > > _______________________________________________ > vintagvw site list > [email protected] > http://lists.sjsu.edu/mailman/listinfo/vintagvw > _______________________________________________ vintagvw site list [email protected] http://lists.sjsu.edu/mailman/listinfo/vintagvw
