Re: [DML] Re: Exhaust manifolds removal?
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Re: [DML] Re: Exhaust manifolds removal?



there is a rather significant difference between a lug stud, and a 20 year
old, heat damaged 7mm stud!
Most exhaust shops will heat the stuck parts with the "gas axe" before even
attempting removal.

----- Original Message -----
From: "id" <ionicdesign@xxxx>
To: <dmcnews@xxxxxxxxxxxxxxx>
Sent: Wednesday, May 15, 2002 10:55
Subject: Re: [DML] Re: Exhaust manifolds removal?


> personally i worked a a goodyear installing tires, 40 hours a week for 2
years and i
> never broke a lug nut off with a impact wrench. in fact there is allot of
control with
> an impact wrench. there is a dial on the impact that lets you use the
amount of force
> you want to use to unloosen a bolt or what ever you want to take off.
>
> a pneumatic ratchet is just as bad because usually there isn't any
adjustment for the
> force you are applying to the bolts you are taking off and the pneumatic
ratchet takes
> off with maximum force and maximum force will snap a nut fast. a socket
wrench is the
> only tool that wouldn't do this because you use your hand to adjust the
force being
> applied.
>
> and if you were using universal sockets and extensions with a impact
wrench it would
> reduce the force even more and i still dont think you could snap a nut
with all of these
> universal sockets and extensions on anyway.
>
> i have broken more nuts and bolts with an ordinary socket wrench. pick up
a impact
> wrench and play with the adjustment dial and you will see what i am
talking about.
>
> mark
>
>
>
> jtrealtywebspannet wrote:
>
> > How would you even get an impact onto the nuts holding the exhaust
> > manifolds on? You cannot use universal sockets and extentions as they
> > reduce the impact effect and besides there is very little control when
> > using an impact wrench. Look at how often they break wheel lugs off in
> > tire shops. Even if it did work you would probably rip the threads off
> > of everything. Go to Midas or Meineke and you will see how the
> > professionals do this kind of work, with an acetalyne torch, sawzalls
> > and pneumatic ractchets (not impacts). Everyone has their favorite
> > method for removing stubborn fasteners. Many novices are not
> > comfortable using a torch but I have found it to be the method of
> > choice whenever possible. There are many circumstances where use of a
> > torch isn't appropriate, usually because of flammable things too close
> > by like fuel lines, cloth, and fiberglass. When working on exhaust
> > systems that isn't usually a problem because things that can be
> > damaged by heat aren't usually placed close to the exhaust anyway.
> > David Teitelbaum
> > vin 10757
> >
> > --- In dmcnews@xxxx, "Walter Coe" <Whalt@xxxx> wrote:
> > > My method of choice for removing stuck bolts is to use an impact
> > wrench. My
> > > logic here is that a jarring motion is more apt to shake it loose;
> > whereas,
> > > a slow gradually increasing torque applied by hand will let it twist
> > off and
> >
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>






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