I HAVE A 1990 TROPHY AND ONE OF MY STOCK TRIM TABS IS LEAKING FLUID OUT OF THE BOTTOM OF ACTUATOR, CAN I TAKE THIS APART TO FIX, ARE THERE O RINGS, OR DO I HAVE TO REPLACE AND WHERE CAN I GET LOCAL MARINE SHOP SAYS I CAN NOT GET THESE AND I NEED TO BUY UPDATED TRIM TABS ANY HELP WOULD BE GREAT 