FixVault

No.17 Cooling System Concerns-Overheating: Notes

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
NO.17 DESCRIPTION AND POSSIBLE CAUSE

17 COOLING SYSTEM CONCERNS -OVERHEATING
DESCRIPTION  The engine runs at higher than normal temperature/overheats.
POSSIBLE CAUSE 
  • Improper coolant level
  • Blown fuses
  • Coolant leakage
  • Excessive A/C system pressure
  • A/C system operation is improper
  • Improper water/anti-freeze mixture
  • Fans reverse rotation
  • Cooling air passage to radiator blockage
  • Poor radiator condition
  • Thermostat malfunction
  • Radiator hose damage
  • Improper or damaged radiator cap
  • Cooling fans are inoperative.
  • Coolant overflow system malfunction
  • Improper tension of drive belt
  • Drive belt damage
  • Eccentric shaft bypass valve malfunction (stuck closed)