THIS SEEMS TO BE A COMMON FAILURE FOR THIS CAR. NOT ONLY IS IT AN EXPENSIVE REPAIR, BUT FROM WHAT I UNDERSTAND THIS 'PULSATION DAMPER' FAILURE HAS LEAD TO MANY FIRES IN THIS CAR. I BELIEVE THE PROBLEM IS HAPPENING AGAIN AND I HOPE I DON'T HAVE TO PAY ANOTHER $500 TO HAVE IT REPAIRED AGAIN. I THINK THAT BECAUSE IT IS SO DANGEROUS AND SO COMMON IN THIS CAR, MAZDA SHOULD ACCEPT SOME OF THE RESPONSIBILITY. *AK