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Hopefully someone will have an answer to this one.
I have a 2000 S type V6 3.0
Water I noticed was dripping from underneath the car
near the catalytic converter , on the tight hand side of the car. It was coming from under the heat shield material on the bottom chassis rail. I partially tore open the material as you can see in the pic where the arrow points and it started to driv a bit faster.
I thought it may have been from the previous nights rainfall, or is it the famed hidden AC evaporator drain tubes under the heatsheilds? The heatsheild around the top of the transmission tunnel is bolted on, but towards the lower end it is glued on which seems unusual.
I only noticed it on one side of the car, so I am wondering if it's rainwater or AC water?
You can turn off the AC and that will stop the condensate? That will tell you quickly if it's the AC or not?
Excellent suggestion, but maybe reverse the order. It's normal for minor amounts of ice to accumulate on the evaporator. Depending how much ice is present, you may get water dripping for a few minutes after switching off the AC. You wouldn't be able to be positive about the source.
My thoughts are to let the car sit several hours so you know all condensate has hopefully drained. Start the engine and switch off the AC immediately. Make sure no water is dripping, even after several minutes. Next, turn on the AC and condensate should start dripping soon. Then you'd know for sure.