whenever my jeep leaks coolant i replace the leaked coolant only to have it leak again, almost instantly. I can't tell where the leak is coming from visually. No leaks in hoses from what I can tell
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1999 Jeep Grand Cherokee Question: coolant leak
Answer #1patrick mannion from Greg Solow's Engine Room, September 21, 2010, 22:17Master
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.