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Home >> Mazda >> 2010 >> 3 Mazdaspeed, 2.3 4 >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [L3 With TC] - Engine >> No. 17 Cooling System Concerns-Overheating >> Notes

No. 17 Cooling System Concerns-Overheating: Notes

NO. 17 COOLING SYSTEM CONCERNS-OVERHEATING (L3 WITH TC) DESCRIPTION AND POSSIBLE CAUSE

17 COOLING SYSTEM CONCERNS-OVERHEATING
DESCRIPTION 
  • Engine runs at higher than normal temperature/overheats.
POSSIBLE CAUSE 
  • Improper coolant level
  • Blown fuse
  • Coolant leakage (engine internal, turbocharger, external)
  • Excessive A/C system pressure
  • Improper operation of A/C system
  • Improper water/anti-freeze mixture
  • Fans reverse rotation
  • Poor radiator condition
  • Thermostat malfunction
  • Radiator hose damage
  • Cooling fan inoperative
  • Improper or damaged radiator cap
  • Coolant overflow system malfunction
  • Improper drive belt tension
  • Drive belt damage
  • ECT sensor No. 1 or related circuit malfunction
  • ECT sensor No. 2 or related circuit malfunction
  • Instrument cluster malfunction