2000 3.4 L coolent leek - Chevy Impala Forums
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post #1 of (permalink) Old 08-02-2019 Thread Starter
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2000 3.4 L coolent leek

I just bought a 2000 chevy impala. I think it has a coolent leek. After I drive the car and park it. Coolent starts leaking somewhere under the passenger side of the car. Now I can not see where the leak is coming from because there is a metal plate under the car blocking my view. This plate has holes in it where you can see coolent starting to gather and drip. I don't think it's the water pump because its dry. Radiator I think is fine. Theres no air in the lines because I've bleed them out.
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post #2 of (permalink) Old 08-04-2019
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Garage
Could just be from the coolant over flow jug...

Most auto parts stores have a loaner compression tester for cooling systems. Allows you to pressurize the system just like when the motor is running. Then you can look for the leak without having the belt turning or the engine heating up.

Wipe everything off good and look around with a light and a mirror.

Check the top radiator hose in line with the serpentine belt and see if it has discoloration on it. Sure sign of a weeping water pump flinging coolant.
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