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185020

Just wondering what the purpose of this hole is on the ly7 don’t know if a bolt use to be there looks threaded and but doesn’t appear to connect anything anyone have any incite. Also I do believe I have coolant leaking out of the hole don’t know how harmful it is to the car.
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That hole is called a weep hole keep eye on it if it leaks alot time to change water pump and flush coolant system,the fluid looks like green coolant
if it is make sure you flush the complete system out including engine block and use DEXCOOL ORANGE COOLANT
 
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