How to Diagnose Auto Radiator Problems
Automobile radiator problems can occur for a variety of reasons. Since the radiator controls the cooling of your engine, it's important to make sure that the radiator is functioning properly. A radiator that is not working normally can cause serious damage to the engine. Before you replace anything, however, you need to diagnose your radiator problems.
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Instructions
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Open the hood of your vehicle and visually inspect the metal fins on the radiator. The fins dissipate the heat. If they are bent, then you will need to replace the radiator. Also, check for any signs of rust. This is also an indication that the radiator needs to be replaced.
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Turn the engine on. Visually inspect the radiator for any leaks. Any green liquid leaking from the radiator is engine coolant and is an indication that the radiator needs to be replaced.
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Check the engine temperature. Monitor the engine temperature over a period of 15 to 30 minutes. If the needle on the water temperature gauge moves past the middle mark on the temperature gauge, this indicates that either not enough coolant is flowing through the system, or that the coolant may not be flowing properly through the system. This can sometimes be caused by rust from the radiator circulating through the engine's cooling channels and becoming lodged in the cooling channels. You will need to have the radiator flushed and the system cleaned immediately.
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Check for cracked or chipped radiator hoses. Radiator hoses on the top and bottom of your vehicle's radiator are a critical component of the radiator. Any bulging or rotted hoses need to be replaced.
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