Replaced heater core now water pump is squealing
#1
01-31-2013, 01:33 AM
Replaced heater core now water pump is squealing
Chevy Blazer 2001..No Heating. Replaced thermostat and plugged heater core with new now Cabin heater works fine but water pump started squealing badly within 3 minutes of run time.. Replaced water pump with new but water pump started squealing again within 5 minutes. Replaced Radiator with new to increase flow to water pump but it still squeals loudly.. Could this be a ruined water pump or something else causing this in the cooling system? Seems like low circulation flow through Radiator.
#2
01-31-2013, 10:32 AM
Do you know for certain it is the waterpump squealing? I would pull the belt and spin all the accessory pulleys by hand to make sure you are looking in the right area.
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