CHECK THE OIL LEVEL IN THE REAR AXLE DIFF (BANJO). IF IT IS LOW THE HYPOID GEAR WILL WHINE. HAVING SAID THAT I HAVE A WHINE ON MY SPORTRAK WHICH HAS BEEN LIKE IT FOR 50k MILES BUT I KEEP A CHECK ON THE OIL NONE THE LESS. MY FATHERS MK3 CORTINA WAS TERRIBLE FOR REAR AXLE WHINE YET WENT ON FOR YEARS AND YEARS. GENERALLY SPEAKING THEY WHINE MORE ON OVER RUN WHEN YOU LIFT OF AND THE PRESSURE OF DRIVE IS TAKEN OFF ALLOWING THE SLACKNESS IN THE DIFF HYPOID GEARS TO CAUSE THE WHINE. PERSONALLY I'D TEND TO IGNORE IT OTHER THAN CHECKING THE OIL LEVELS.

OLDMINIMAN