Overheating

2005 SATURN RELAY
42,000 MILES • 3.5L • 6 CYL • 2WD • AUTOMATIC
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KATHERINE DENISE LEHMKUHL-LEAVITT
  • MEMBER
  • 2 POSTS
The coolant isn't returning back into the motor from the overflow reservoir.
Dec 19, 2018 at 8:44 PM
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ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good morning,

Did you check the thermostat? that is responsible along with the water pump for circulation?

https://www.2carpros.com/articles/replace-thermostat

https://www.2carpros.com/articles/symptoms-of-a-bad-water-pump

What work has been done since I see your a mechanic?

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

Roy

Dec 20, 2018 at 3:49 AM
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KATHERINE DENISE LEHMKUHL-LEAVITT
  • MEMBER
  • 2 POSTS
Changed thermostat, radiator and coolant temperature sensor.
Dec 20, 2018 at 3:50 PM
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ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 52,796 POSTS
Got it.

The next step is to do a leak down test on the cylinders to check and see if there is a leaking head gasket.

that is where you insert shop air into each cylinder one at a time and watch for movement of the coolant in the radiator.

Roy
Dec 20, 2018 at 9:51 PM