"Joe L." wrote:

>     The only thing that ended up working for me is to take the pipe off and
> attack it from the inside with a good penetrating oil (J. B. Blaster).
> Otherwise you will never be able to get to the threads where the "weld"
> occured. Repeated heating with a torch along with repeated rapping with a
> hammer. Make sure you have a pipe wrench handy for when you srip the flats
> off the nut (WHEN, not if). A three foot or so length of pipe for a
> additional leverage on the pipe wrench is also good.
>      Be prepared to near destroy the old sensor while trying to take it off.
> If it is "welded" on there too tightly is is possible to snap the nut off
> and leave the theads in the pipe.
>
>      If I had to do it over again I would pull the exhaust pipe and take it
> to a local machine shop. They will get it off for about $15 or so provided
> you have not done too much damage to the sensor trying to take it off
> yourself.
>
>     If yours is anything like mine pack a BIG lunch and tell the wife you
> will be gone for a day or so and to ignore any shreaks of profanity coming
> from the garage.
>
> > -----Original Message-----
> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com]On Behalf
> > Of TWessner
> > Sent: Saturday, February 06, 1999 11:29 AM
> > To: vanagon@GERRY.VANAGON.COM
> > Subject: O2 Sensor
> >
> >
> > Hi Guys!
> >
> > I'm in the process of changing my O2 sensor on my 84 Westy.  The
> > old sensor
> > seems to have become severely corroded and I'm having a heck of a time
> > getting it to come loose.  Any suggestions other than massive doses of
> > WD-40?  Any tips would be much appreciated.
> >
> > Thanks,
> >
> > Trent Wessner
> > Saskatchewan, Canada
> > twessner@cableregina.com
> >