200 Pontiac Sunfire is leaking coolant, is it bad water pump?

A Clan

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The "low coolant" light came on, and I filled my overflow tank. After that, I started noticing small leaks under my car. I'm not sure where the leak is coming from (hose,overflow tank,etc) After a week of driving, the low coolant light comes on again, and I refilled it. My car doesn't regularly overheat, but the temp does go up when idling more than 2 min. When I start driving, the temp goes back down. Any idea what the problem could be?
I do know that the leak under my car is on the passenger side. It seems to be directly under the overflow tank. I'm dumb when it comes to cars, so I wouldn't even know where the radiator is to see if there's a leak. Near the tank, there is a hose with corrision on it.
 
I have the exact same problem!! Did you end up fixing this? What was the result..I am currently going through everything you have described.
 
The post you responded to is 3 years old. You have to pressure test the cooling system to find the source of the leak.
 
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