At 09:49 AM 8/21/2012, Gabriel Hourtouat wrote:
>(...caused by a pressure relief valve that didn't seat properly when
>coming off of high engine rpm in hot weather?)
>
>The fix for an intermittent oil pressure alarm (buzzer plus light) on
>a 1990 Westy (as described above), was to replace the spring on the
>oil pressure relief.  Can't remember where the spring resides.  I
>remember only thinking how simple the spring replacement had been.

The only time the relief valve operates is when the engine is cold
and the pressure goes above (don't know the number; somewhere 80-100
psi I would imagine).  If the relief valve isn't seating properly
then pressure will be low throughout the operating regime.

Yours,
David