Oil leak from head gasket / oil filtration

[quk@isham-research.demon.co.uk (Phil Payne)]

In message <9710071918.AA03468@aztek-eng.com> DeWitt Harrison writes:

> To which Phil added:
> >
> >Get a refridgerator door seal from your local council tip, strip out the 
> >magnet and wrap it round the filter.  Secure it with a large Jubilee hose 
> >clip.  Audi fits a magnet as standard inside some rear differentials.
> 
> Clever, clever, provided the oil filter shell is _not_ a ferromagnetic
> material such as _steel_. Otherwise all those little lines of magnetic
> flux will be extremely satisfied to remain entirely within the shell itself
> and have no interest whatsoever - and I do mean zero - in flirting with
> metal particles in the oil contained within.  Try this in your kitchen
> with a steel soup can, a nice strong magnet and a steel paper clip.
> 
> OTOH, magnets are certainly used as Phil states. These work
> because the magnet protrudes into the oil reservoir without (magnetic)
> obstruction. When the transmission or differential housing is aluminum,
> so much the better. The jam jar "demo" would, of course, work
> perfectly. Ya just gotta have nothing but admiration for good snake oil
> marketeers.

Over here, I think you can still get magnetic drain plugs.

But - let's be fair.  If it doesn't work, my version has still cost zip.

-- 
 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club