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2006 Chrysler 300 Question: water leak

 

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fufu21, 5.7L V8, La Joya, TX, June 16, 2011, 14:31
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water leaking from back of motor, but doesnt run hot what could it be?

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, June 17, 2011, 08:02
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    It could be a hose or frost plug hard to say without being able to test for the leak. The way an automotive shop would locate the leak is by removing the radiator cap and attaching an adapter that screws on in place of the radiator cap. Something that looks like a bicycle pump with a pressure gauge attached to it is used to "pump up" pressure to simulate pressure generated when the cooling system is at operating temperature, the leak is then found sometimes it is obviously leaking from a coolant hose or cracked housing, failed gasket or water pump, sometimes the engines cooling system needs to be inspected from below or inspected using a mirror and flash light. If the coolant loss is still evasive dye can be added to the cooling system that may indicate the source of the leak. A mysterious coolant loss may even be a sign of a head gasket that is not sealing well.

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