frozen crankshaft sprocket bolt (now pg-13)

[ansonivan at yahoo.com (Anson Clement)]

crap!.... so much for screwing milk bottles..... er I mean.... hehe
 
Anson

Ron Pieper <rapieper@yahoo.com> wrote:
Na...

Heat expands stuff...the bolt gets bigger, BUT so does the hole. And, since the threaded hole is
a bit bigger than the bolt, it WILL become looser.

And the heat serves but burn dirt, rust etc. which helps too.

Larry will confirm this, I'm sure.

Ron


--- Dan Bubb wrote:
> So, far Anson has THE BEST reply to the frozen crankshaft bolt question!
> Graphic! But, clearly the most original!
> 
> ----- Original Message -----
> From: "Anson Clement" 
> To: 
> Sent: Wednesday, September 03, 2003 7:59 AM
> Subject: Re: frozen crankshaft sprocket bolt (now pg-13)
> 
> 
> > Holy crap guy! Will you stop heating the bolt already? Heat causes
> expansion yes? so in effect you are making a bad situation badder.... or is
> that worser..... whatever.
> >
> > What you described is similar to sticking your willy in a milk jug (or for
> those less blessed, a beer bottle) and watching footage of britney spears
> make out with madona..... yea I guess that might not work for some.... but
> anyways you get the idea..... willy swell no come out of bottle.
> >
> > Where was I? ......
> >
> > Anson
> >
> > Dave wrote:
> > There are lots of great "stuck crankshaft sprocket bolt" solutions
> available on this site especially the "crankshaft seal fun!" threads, and
> believe me, I tried each and every one, but I cannot get the motherf.uh, I
> mean, the gosh darn thing off!
> >
> >
> >
> > Its a 1984 'rocco with a 1.8.
> >
> >
> >
> > Here's what I've tried so far, each of them with and without liberal
> applications of heat and blood.
> >
> >
> >
> > 1. Factory stock breaker bar, oil pan off and crankshaft locked with a
> block of wood between crank counterweights and the side of the engine block
> (the side closest to the front-end). Heated bolt for about 10 minutes with
> MAPP gas.
> >
> >
> >
> > RESULTS: Splintered wood, amused neighbors.
> >
> >
> >
> > 2. Modifed breaker bar (6 foot galvanized pipe cheater bar, powder coated
> blue, poly thread caps, etc.) and also an upgrade kit for the piece of wood
> which consisted of a lead dead-blow hammer. The hammer's head fit perfectly
> sideways against the counterweights and the side of the block. The breaker
> bar affair was braced with jackstands where the socket met the bolt and
> where the breaker bar met the socket. The bolt was again heated. I leaned
> about 90 pounds on the end of the 6 foot bar, generating about 500 ft-lbs.
> of torque.
> >
> >
> >
> > RESULTS: Thankfully, nothing. I was unsure of the amount of force required
> to crack the block, and chickened out at 500 ft-lbs. Should I just go for
> this? With a friend or two, I could easily put a few ft.-tons on the bolt.
> Its not my car, so I'm a little paranoid.
> >
> >
> >
> > 3. Breaker bar on the bolt and bump the starter..
> >
> >
> >
> > RESULTS: Nothing. Stopped the starter dead in it's tracks.
> >
> >
> >
> > 4. Jack up the car and then lower its weight on to the bolt via the
> breaker bar. Heated the bolt.
> >
> >
> >
> > RESULTS: Nothing. Engine began to lift unpleasantly.
> >
> >
> >
> > 5. Pound on the breaker bar (again braced with the jackstands) using a
> sledgehammer. Heated the f****ng bolt.
> >
> >
> >
> > RESULTS: Nothing, and this one really felt like it was working.
> >
> >
> >
> > 6. Impact wrench. Heated the bolt. This was a normal sized gun that
> probably didn't have a hell of a lot of torque, but did break a cheapo
> non-impact socket.
> >
> >
> >
> > RESULTS: Nothing, but at least that socket won't be busting anyones
> knuckles. I might go rent a bigger gun (and use a proper impact socket) if I
> can find a place that'll rent one.
> >
> >
> >
> > Anyways, there you go. I am totally open to any comments, flames, or death
> threats regarding this problem. Again, when I say I heated the bolt, I mean
> for about 10 minutes with MAPP gas. Perhaps it needs more? (Oxy-Acetylene?)
> Thanks man!
> >
> >
> >
> > --Dave
> > _______________________________________________
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> > Scirocco-l@scirocco.org
> > http://neubayern.net/mailman/listinfo/scirocco-l
> >
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> 
> 
> 
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