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Old 10-14-2011, 06:09 AM
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Join Date: Sep 2011
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Default Car oerheating DIY

Car overheating is caused by a lack of coolant or lack of coolant flow. It'll damage the engine if don't fix it.

So these are my short steps on what to do.
First, you should turn off the engine and wait. If the engine is steaming, don't open the hood.
When the car has cooled completely, open the hood.[This is really important. Or you may get hurt.]

Check the coolant reservoir tank first. The reservoir can be filled when the engine is hot.

Open the radiator cap with a rag. Examine the radiator. Look inside and see if there's coolant left. If needed, fill to the top of the radiator.
Check if the upper or lower radiator hose, or any of the heater hoses, hasn't burst.

Restart the engine.
Watch the temperature gauge obsessively. Don't let the needle go into the red. Turn off the engine if the gauge approaches the red zone.

Besides, it's OK to add just plain water or antifreeze in an overheating, emergency situation. When routinely adding or changing coolant, always use a 50-50 mixture of water and antifreeze.

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