I JUST TOOK DELIVERY OF A 1986 420 SEL WITH 45K MILES ON IT , THE CAR IS PRISTINE,AND STRAIGHT, ONLY ISSUE IS I LIVE IN WINNIPEG ,MANITOBA ,CANADA--THE TEMPETURE IS -35 TO -40 CELCIUS(-40 C IS EQUAL TO -40 F).TODAY I NOTICED A HIGH PITCHED WHINE COMING FROM THE FUEL PUMP BY THE GAS TANK , IS THIS JUST THE TEMPERATURE-OR SHOULD I BE CONCERNED.