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Overheating

Tiny
KATHERINE DENISE LEHMKUHL-LEAVITT
  • MEMBER
  • 2005 SATURN RELAY
  • 3.5L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 42,000 MILES
The coolant isn't returning back into the motor from the overflow reservoir.
Wednesday, December 19th, 2018 AT 8:44 PM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 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

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Thursday, December 20th, 2018 AT 3:49 AM
Tiny
KATHERINE DENISE LEHMKUHL-LEAVITT
  • MEMBER
  • 2 POSTS
Changed thermostat, radiator and coolant temperature sensor.
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Thursday, December 20th, 2018 AT 3:50 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 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
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Thursday, December 20th, 2018 AT 9:51 PM

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