FixVault

No. 17 Cooling System Concerns-Overheating: Notes

17 COOLING SYSTEM CONCERNS-OVERHEATING
DESCRIPTION 
  • The engine runs at higher than normal temperature/overheats.
POSSIBLE CAUSE 
  • Radiator hose damage
  • Coolant leakage
  • Improper coolant level
  • Fans reverse rotation
  • Fuse malfunction
  • Coolant overflow system malfunction
  • Poor radiator condition
  • Improper or damaged radiator cap
  • Improper water/anti-freeze mixture
  • Continuous memory DTC is stored
  • A/C system operation is improper
  • Excessive A/C system pressure
  • Improper operation of cooling fan control system
  • Drive belt malfunction
  • Leakage around heater unit in passenger compartment
  • Leakage at coolant hoses and/or radiator
  • Thermostat malfunction
  • ECT sensor No. 1 malfunction
  • Instrument cluster malfunction
  • PCM malfunction