All About Auto Zone

Car Problems Trouble Symptoms: At any speed your car temperature gauge reads hot when the weather is hot, even when driving at fast the air that hits the radiator is not sufficient to cool the coolant.

Car Problems Cause: Lack of engine coolant or clogged radiator.

Troubleshooting Car Problems: Open your car hood and remove the radiator cap, (caution: Do not remove the radiator cap while the engine is hot), check the coolant level by looking down the radiator fill hole, coolant level is sufficient if it covers the little metal fins inside your car radiator.
If the coolant level is sufficient then the problem is clogged radiator.

Car Repair Advice: First thing to do is to clean any debris or bugs of the face of your car radiator. You can do this using a hot water and a soft brush.

Second, have your car entire cooling system backflushed. backflushed is done by running water inside your cooling system opposite the direction of the normal flow of coolant through your car entire cooling system. This is done to remove rust and other particles that building up inside your car cooling system and restore the efficiency of your radiator and other cooling system parts.

You may do the backflush yourself since you can buy a backflush kit in any auto shop and it’s easy to use.