是水泵Water Pump。有時可能水泵漏。這個裏程該換了，不過要查一下到底哪裏漏水。網上建議…

Volvo doesn't have a regular service interval on the water pump. However, you can expect to have to replace it as early as 75,000 miles. For the most part though, water pumps start to need replacing around the 100,000-mile mark.