Quote:
Originally Posted by san rensho
General wisdom is to replace the water pump preemptively every 4 years or 50k miles or so. If the pump goes, the plastic vanes can crack off and clog the coolant passages leading to localized overheating and a cracked head.
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^ That. Replace it. the downside is HUGE, and the cost is minimal.
And just FYI, for those of you that don't know - if your battery light comes on, turn off your engine IMMEDIATELY! Chances are, your waterpump shaft broke and the belt fell off. You are literally 2 minutes from a baked engine...