Symptoms of Wear or Failure

  • Thermostat housing may leak coolant
  • Engine may overheat or never reach normal temperature
  • Higher exhaust emissions
  • Check Engine Light may illuminate
  • Poor fuel mileage

Related Repair Advice

  • A high-quality OEM thermostat should be used. Poor quality thermostats may not function properly and can cause damage to the engine or components of the emission system.
  • We recommend replacing the thermostat any time major repairs are performed on the cooling system