overheating

2005 MERCURY MOUNTAINEER
200,000 MILES • 6 CYL • AWD • AUTOMATIC
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NIKKI BISHOP
  • MEMBER
  • 1 POST
Keeps overheating. Checked fluid, flushed system, new pump, new thermostat. After replacing thermostat, it would drop to cold then start to overheat again. I cannot figure it out. I am pretty sure its not a head gasket. I checked and that does not seem to be the problem.
Mar 14, 2017 at 12:56 PM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
Hello, Nikki,

It sounds like the radiator is plugged, here is a great guide on how to check for the problem

https://www.2carpros.com/articles/engine-overheating-or-running-hot

Please get back to us so we can continue helping you.

Best, Ken
Mar 16, 2017 at 1:04 PM
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