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Had the water pump replaced two years ago. Not sure if it’s that again, but coolant is leaking decently bad from somewhere, can’t quite get a good look at just where exactly, like a constant drip. Loss of about a quarter gallon after a 20 mile drive. I did however find where coolant is pooling up. I can take my phone and slide it down behind the radiator fans, filming toward the engine, and slide it down about halfway and you can see a pool of coolant on top of an aluminum shelf. Picture attached actually. Any ideas?

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Look in this area with a clean spot and it appears wet behind it. Check around this area, thermostat housing, coolant hoses etc.If you still can’t find the leak, you can get a coolant leak detection dye and a black light. Just add the dye to your coolant, drive the car around until you get to operating temperature and shine that black light in there. The dye will glow bright nearest to the leak and leave a trail to follow to the leak.
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