I replaced my crankcase breather tower "O" ring seal and my oil dipstick
"O" ring seal this weekend.  Both were hard and brittle.  My water pump
big "o" ring seal was also hard but not as brittle as the two oil seals.
I have no oil leaks (this is the first VW that I have had that does not
leak oil!!!) and I was just changing them as preventative maintenance
while the engine was out.  So since these three seals were hard I was
wondering if the crank and flywheel seals would also be hard.  My '84
Westy has 136000 miles.  Part of me says leave well enough alone as they
are not leaking...but for how long???  The other thing I'm thinking is
where do I stop...one thing usually leads to another...supporting my
leave well enough alone gut instinct.  Any experience/advice with the
two main seals?  BTW I'm trying to get the Westy back together for a
trip this weekend, so I'm not looking for extra work!  Thanks folks!

Pascal
'84 Westy