Cooling sysytem mechanical pump diagnosis

A method of diagnosing a mechanical coolant pump in an automobile equipped with cooling system having a mechanical coolant pump and an electric coolant pump comprises detecting when an engine of the automobile has been started, dis-engaging the electric coolant pump, engaging the mechanical coolant...

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Bibliographische Detailangaben
Hauptverfasser:	Smith, Michael A, Gonze, Eugene V, Knieper, Christopher H, Klauser, Eric E
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A method of diagnosing a mechanical coolant pump in an automobile equipped with cooling system having a mechanical coolant pump and an electric coolant pump comprises detecting when an engine of the automobile has been started, dis-engaging the electric coolant pump, engaging the mechanical coolant pump, and verifying the mechanical coolant pump is operating properly.