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impeller pump

  1. Care, Maintenance & Service - Chevy Volt
    My 2014 Volt's heater stopped working. I finally had a chance to take it in to the dealer to service the oil and rotate tires and take a look. 3 days later, they call to tell me the following "Suspect Coolant heater Auxiliary Pump impller is freewheeling on pump shaft. Reco replace pump"...