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Home >> Lincoln >> 2004 >> Town Car Protection Series >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Diagnosis And Testing >> Engine Cooling >> Symptom Chart

Symptom Chart

SYMPTOM

Condition Possible Sources Action
  • Loss of engine coolant.
  • Radiator
  • Water pump seal.
  • Radiator hoses.
  • Heater hoses.
  • Heater core.
  • Engine gaskets.
  • Degas bottle.
  • The engine overheats
  • Water thermostat.
  • Water pump.
  • Internal engine coolant leak.
  • Radiator.
  • Heater core.
  • Cooling fan.
  • Pressure relief cap.
  • The engine does not reach normal operating temperature
  • Water thermostat.
  • The block heater does not operate correctly
  • Block heater power cable.
  • CHECK for continuity in all three power cable circuits. INSTALL a new power cable if necessary.
  • Block heater
  • INSTALL a new block heater.
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