Since summer is coming, you’ll definitely want you car safe from overheating. Thus checking your cooling system and diagnosing if it has a problem should be done immediately. Here are some of the steps that you can do to check your cooling system. The things you will need are: radiator sealant, antifreeze, water.

Read the engine temperature gauge. If it reads too warm, then your car is overheating, and most likely the engine coolant system has a problem.

· A low coolant level causes overheating problems.

· Check the coolant level at the radiator overflow/plastic coolant reservoir tank to see if you’re low on coolant.

· Open the radiator cap and look inside the radiator when the engine is cold.

· Fill the radiator with antifreeze or water if it’s empty, and close the cap. Secure that the cup is closed tightly.

Examine common leak points, such as the large hoses that come out of your radiator and the hose connection points to your car’s engine. Your coolant system will not work efficiently if coolant is leaking.

· Look at both the lower and upper radiator hoses located at the top and bottom of the radiator on the back side and held by hose clamps. Ensure that the hoses are securely clamped to the radiator. Look for signs of leaks because this part is usually prone to leaks. If you have detected leaks, repair it immediately.

· Touch both the upper and lower radiator hoses when the engine is warm and the car is turned off. They should both be warm. If one is cold, you may have a thermostat that’s stuck closed.

· Use the palm of your hand to feel the outside of the radiator from top to bottom when the engine is warm and the car turned off. It should be warm to the touch evenly throughout. If there’s a cold section, you may have a radiator that’s internally blocked.

Keep an eye under the car for puddles of liquid. If the liquid is sweet-smelling, this could indicate that a leak has occurred in the engine cooling system.

· Check under the car, inspect the radiator and look around the engine compartment for telltale signs of a coolant leak. The coolant is greenish, slippery and sweet-smelling. If there are sign of leaks repair it immediately.

Wait a few days and check the level again to see if you have lost any more coolant. If you have, continue to look for leaks and cracks in hoses and around hose connection points.

Visit your mechanic if you know there’s a leak but can’t find it. A mechanic can detect

Warning: Have your engine cool after before you have in contact with the cooling system parts.

[source: eHow]

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