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Symptom Chart

SYMPTOM CHART

Condition Possible Sources Action
  • Loss of coolant
  • Radiator.
  • Water pump seal.
  • Radiator hoses.
  • Heater hoses/tubes.
  • 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 (6A051) does not operate correctly
  • Block heater power cable.
  • CHECK for continuity in all three power cable circuits. INSTALL a new power cord, if necessary.
  • Block heater.
  • INSTALL a new block heater.
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