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What would cause a 1995 Pontiac Grand Am to run hot while idle and air conditioner on?
Wiki User
∙ 14y ago
The air conditioning has a small radiator called the condensor that is placed in front of the engine radiator, this make the air that cools the engine slightly hotter, which in some cars, depending on how the air flows under the hood could increase the engine temp. Also, the air conditioners in cars can use up to 15 horsepower to operate, this means that while your car is sitting still without any airflow from driving around, the engine is still working. Unfortunatly there are a few things that could be broken that would also cause the same problem, but don't go buying parts unless you know for certain that it is broken, some cars just run hotter than others.
WHENEVER the A/C is on the fans SHOULD BE RUNNING.... If not then you will overheat fairly quickly.
Start the car - turn on the A/C then lift the hood and check that the fan is running.
If not then check the fuse or the relay or the fan could be bad.
Wiki User
∙ 14y ago
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