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Home >> Lincoln >> 2003 >> Aviator AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1360 (Engine Cooling System) >> Diagnosis And Testing >> Engine Cooling >> Symptom Chart
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Symptom Chart

WARNING: This page is about a different car, the 2005 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Condition Possible Sources Action
  • Loss of engine coolant
  • Radiator.
  • Coolant pump seal.
  • Radiator hoses.
  • Heater hoses.
  • Heater core.
  • Engine gaskets.
  • Degas bottle.
  • The engine overheats
  • Coolant thermostat.
  • Coolant pump.
  • Internal engine coolant leak.
  • Radiator.
  • Heater core.
  • Cooling fan.
  • Pressure relief cap.
  • The engine does not reach normal operating temperature
  • Coolant 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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