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Car encyclopedia

Radiator

The radiator's job is to allow heat to be removed from the engine. As hot coolant passes through the radiator it is cooled before returning to the engine, where it absorbs heat and returns to the radiator. This cooling process keeps the engine from overheating.

Symptoms of Wear or Failure

  • Coolant may leak or boil over
  • Temperature gauge may get really high
  • Illumination of the engine temperature warning light
  • Engine may run hot or overheat

Related Repair Advice

  • We recommend replacing the thermostat and the radiator cap along with the radiator. The radiator hoses should also be replaced if they show signs of age or wear.
  • The entire cooling system should be inspected and tested when the radiator is replaced
  • Most radiators are made of metal and plastic. The plastic parts can become brittle and crack over time, leading to radiator replacement.
  • Removal of the front bumper, as well as removal of engine bay components such as hoses, ducting, and additional plumbing, are often required in the course of this repair

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