Section 03-03: Engine Cooling
1994 Mustang Workshop Manual
DIAGNOSIS AND TESTING

Symptom Chart

ConditionPossible SourceAction
  • Loss of Engine Coolant
  • Damaged radiator .
  • Damaged water pump .
  • Loose/damaged radiator hoses.
  • Loose/damaged heater hoses.
  • Damaged heater core .
  • Damaged engine gaskets.
  • Damaged radiator coolant recovery reservoir .
  • Engine Overheats
  • Damaged water thermostat .
  • Damaged water pump .
  • Internal engine coolant leak.
  • Cooling fan inoperative.
  • Plugged radiator .
  • Plugged heater core .
  • Engine Does Not Reach Normal Operating Temperature
  • Damaged water thermostat .
  • Cooling fan.
  • Low engine coolant.
  • Block Heater Fails to Warm Engine Coolant
  • Block heater power cable.
  • Block heater.