Question about 2005 Chevrolet Impala
OK, on some cars the low coolant light may not go on if not equipped or if the switch is defective.
It probably is a slow leak if you do not smell or see the fluid on the ground when you park it.
Also, immediately fill the reservoir and the system with coolant and observe if the coolant fan goes on. If the coolant fan does not go on when hot, this could be causing the overheating problem at traffic lights.
The cooling fan is nick named the 'traffic fan' because it is used when you come to a stop at a traffic light.
Maybe have the system pressure tested to see if the leak is coming out of the water pump, for example, which is a common place for slow leaks to occur.
Good luck on diagnosing and repairing this cooling system leak/overheat problem.
Have a good day.
Posted on Oct 12, 2010
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Posted on Jan 02, 2017
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