Town Car V8-302 5.0L (1987)
Heater Core: Testing and Inspection
Plugged Heater Core Test
Check to be sure the engine coolant is to the proper level, then start the engine and temporarily remove the outlet heater hose from the water pump. Very
little or no flow of water from the core outlet indicates that the core or heater hose(s) is partially blocked or plugged.
