Heh. I'd forgotten that one (wax >IS< a lubricant).

On Nov 11, 2007, at 4:04 PM, Evan Mac Donald wrote:

> My brother, who is a PROFESSIONAL mechanic (as opposed to us shade-
> tree or hobbists), has given me this winning advice for removing
> stubborn O2 sensors - get it hot enough to melt candle wax, and then
> hold a candle to the base of the sensor, and let it melt its way
> into the threads. A propane torch, applied to the base and threads
> area, will be plenty hot enough. After a short moment of
> penetrating, while still warm, apply your torque. I was amazed, the
> first time I tried it on a rusted up mess of an O2 sensor!
>
> mordo <helmut.blong@GMAIL.COM> wrote:  I'm replacing the catalytic
> converter on my Carat and not suprisingly, the
> 02 sensor is thoroughly stuck with corrosion. Generous application
> of PB
> blaster is ineffective. Would applying torch heat risk damage to the
> sensor?
> It seems obvious that it is made for high temps but as high as a
> torch?
>
> cheers,
>
> --
> mordo
> 1990 Carat