Mechanics

OVERHEATING

2007 Nissan Altima • 117,000 miles

My car is overheating. I changed the thermostat and is still overheating. I'm thinking it might be the cooling fan. I'm not sure when the cooling fan is suppose to turn on but as I got off the freeway I pulled over to a gas station and saw that the fan was not on.
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Navarrol8934
May 25, 2013.




When does the overheating occurs and under any specific conditions?
Do you have coolant losses issues?

KHLow2008
May 25, 2013.
It happens when I'm doing long drives on the freeway. When the car b is under more stress I guess. By coolant you mean water right? Sorry I'm not to experienced.

Tiny
Navarrol8934
May 25, 2013.
If overheating occurs only when driving at high speed, that means inefficient cooling and the most likely cause would be restricted radiator.

Yes, coolant is the fluid used in cooling systems. Did you check the radiator level?

KHLow2008
May 26, 2013.
When I got home I took off the radiator cap and filled it up with water but it filled uo with just a few ounces.
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Tiny
Navarrol8934
May 26, 2013.
Have the radiator checked for clogging.

KHLow2008
May 26, 2013.
Okay will do. I'll let you know how it goes. Thank you

Tiny
Navarrol8934
May 26, 2013.
You're welcome.

Good luck.

KHLow2008
May 26, 2013.

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