Brunswick Community

This may help Guye, you didn't specify which mercruiser you have.

Hi Guye926, I own a 2003 Sundancer 320 and experienced the same problem for 4 years. Seems every year and a half I would have to replace a serpentine belt. I called Searay and found out there was a service bulletin issued (not recall for obvious reas...

Try running some bleach through your holding tank, flush, then follow that with a gallon of white vinegar and flush again. Good luck!