This repair should be done in a timely manner. The previous owner of our Bavaria 38 Ocean ignored it for far too long and the salt water dripping on the hot engine caused secondary corrosion issues. That ultimately lead to having the engine removed. Ouch! We opted to buy the full replacement pump from Volvo so that I could rebuild it myself and have a ready to go spare 7 years later, the leaky pump is still sitting on my desk as I write this.