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Saturn
Relay
Engine
Symptoms
Overheat
Overheating
2005 SATURN RELAY
42,000 MILES • 3.5L • 6 CYL • 2WD • AUTOMATIC
KATHERINE DENISE LEHMKUHL-LEAVITT
MEMBER
2 POSTS
The coolant isn't returning back into the motor from the overflow reservoir.
Dec 19, 2018 at 12:44 PM
ASEMASTER6371
✓
Experienced Mechanic
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 19, 2018 at 7:49 PM
KATHERINE DENISE LEHMKUHL-LEAVITT
MEMBER
2 POSTS
Changed thermostat, radiator and coolant temperature sensor.
Dec 20, 2018 at 7:50 AM
ASEMASTER6371
✓
Experienced Mechanic
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 1:51 PM
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Frequently Asked Problems for This Vehicle
Heater — Not Working
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Engine overheating
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