water pump question
#6
As long as the propeller shaft and propeller are not plastic, everything should be fine. My late BMW had a plastic propeller attached to a steel shaft. Bad combination. I was doing a donut on dry pavement one day and poof. The radiator split, the waterpump propeller disconnected from the shaft. Safe to say I'll never own another piece of S*** BMW again. The one component that really makes the difference is the bearing. However it is near impossible to determine a good bearing from a lesser quality by visual only. A bad pump will make noise. This is the bearing. Either rusted out or started to sieze up. As long as the propeller still spins, the propeller still draws in coolant.
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