normal engine operating temperature

Asked by Jul 06, 2007 at 07:08 AM about the 2007 Chevrolet Cobalt 1LT

Question type: Maintenance & Repair

what is the normal engine operating temperature and how do you add coolant.

11 Answers

5,205

The normal engine operating temperature on most new GM cars is ~200 degrees. You shouldn't need to add coolant if the car is only a 2007 model, and if you are having problems with your cooling system, they will most likely be covered by your factory warranty. However, to add coolant to the system, you will want to make sure the engine is cool, remove the coolant reservoir cap, and add a blend of 50% water and 50% coolant until it reaches the "Full" mark. Your dealer or auto parts store should be able to tell you which variety of coolant you will need to use.

11 of 11 people found this helpful.

Point of interest: when adding water/coolant, be sure to use distilled water as tap water will introduce mineral deposits into your radiator and facilitate cooling failure.

4 of 4 people found this helpful.
145

My 07 Cobalt LT sedan always runs at 93 degrees Celsius, regardless of outside temperature. might just be my temperature gauge malfunctioning.

13 of 13 people found this helpful.
515

my cobalt runs at about 200 to 210 that's the normal range

33 of 33 people found this helpful.
65

i have a brand new 2008 cobalt with the ecotech engine. My coolant runs between 87 and 93 degrees celcius depending on how hard its been run.

6 of 6 people found this helpful.
115

Mine is the 2.4 engine and runs on 89 C but sometimes goes up to 91 C. In trafic goes max to 100 degrees.

8 of 8 people found this helpful.
210

I got a 2007 chevy cobalt lt and my temperature is 205*F. I was wondering if that's normal and the number just keep going up and down

21 of 21 people found this helpful.
65

Friend of my. Has worries temperature run up 208. Is been ok. Or need repair? Thanks

6 of 6 people found this helpful.
25

I have a 80 impala engine in my 77 GMC ...it was running 190 then couple weeks it went to 230. Is this normal?? I changed out the thermastat and cked it and its good, but put a new one in anyway. Its running 230 now whats the norm as this is a low geared truck.

2 of 2 people found this helpful.
30

My 2005 cobalt has never gone over 192 degrees F, until today.. then it got up to 221 before I turned it off. She's really old and probably about to give out on me.

3 of 3 people found this helpful.
10

My 2005 cobalt got up to 223°F today the water and antifreeze was boiling. Had to wait for it to cool down then add some antifreeze to it. Now it between 189°F and 190°F, is this normal?

1 of 1 people found this helpful.

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