**Car Interior Leaking--Looking for Feedback**
Yesterday, it was raining, so the streets were wet in some places. When I got home, I pulled into my driveway and noticed that the plastic along the center console was wet and cold. It wasn't raining when I got home. I took some pics and noticed there was water accumulation inside my car. I had not turned my car off yet, and after I took the pics, I drove slowly into my garage. As I was moving forward I heard a very loud pop/bang type of noise. Just one noise--very loud. Scared me actually. So, got out and thought maybe I ran over something or maybe something fell on my car (from where I don't know?). There was nothing.
I parked my car and looked underneath it and noticed there was water dripping on the ground from the bottom of my transmission area. It produced two pretty good puddles. That was probably from the rain collecting under the underside of the car. I don't know.
Earlier in the day, I had two new rear tires (Pilot Super Sports) installed. Just throwing that in there to show all the variables. I don't know why this matters, but my car was on the lift, so that may be relevant. The wheels bolts were torqued to spec as I watched them install the tires.
Here are some pics of the center console area, front and rear. Any suggestions would be much appreciated. I am taking the car in on Tuesday for inspection.







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You will have tons of A/C precip. falling off the tube outlets if it is very humid and you are blowing your A/C at full blast...
You will have tons of A/C precip. falling off the tube outlets if it is very humid and you are blowing your A/C at full blast...
In a mobile A/C system, cold, low-pressure liquid refrigerant enters the evaporator. Warm air from the interior of the vehicle passes through the evaporator by action of the blower fan. Since it’s a fact of nature that heat always travels from a warmer area to a cooler area, the cooler refrigerant flowing inside the evaporator’s absorbs heat from the warm air. At the same time, humidity in the air condenses on the cool evaporator’s surface, then eventually drips out of a drain tube to outside the vehicle (think of how moisture forms on a cold bottle of soda pop on a humid day and forms a puddle on your kitchen counter). This is why you see water dripping underneath a car while the air conditioner is on. After the (now slightly warmer) refrigerant has completed its path through the evaporator, it moves on to the compressor.
So, as you can see, air conditioning does not actually cool the interior of the vehicle. What it really does is remove heat and humidity from it.
The evaporator can be somewhat compared to a heater core working in reverse:
Both are located inside the passenger compartment, often in very close proximity, or even inside the same housing under the dashboard.
Maybe try closing those (so no air is being passed to the back) and it will decrease the issue??
Just an idea.
In a mobile A/C system, cold, low-pressure liquid refrigerant enters the evaporator. Warm air from the interior of the vehicle passes through the evaporator by action of the blower fan. Since it’s a fact of nature that heat always travels from a warmer area to a cooler area, the cooler refrigerant flowing inside the evaporator’s absorbs heat from the warm air. At the same time, humidity in the air condenses on the cool evaporator’s surface, then eventually drips out of a drain tube to outside the vehicle (think of how moisture forms on a cold bottle of soda pop on a humid day and forms a puddle on your kitchen counter). This is why you see water dripping underneath a car while the air conditioner is on. After the (now slightly warmer) refrigerant has completed its path through the evaporator, it moves on to the compressor.
So, as you can see, air conditioning does not actually cool the interior of the vehicle. What it really does is remove heat and humidity from it.
The evaporator can be somewhat compared to a heater core working in reverse:
Both are located inside the passenger compartment, often in very close proximity, or even inside the same housing under the dashboard.
Maybe try closing those (so no air is being passed to the back) and it will decrease the issue??
Just an idea.




Just a thought...
I took the car in yesterday. I spoke with a very knowledgeable tech before they started to inspect my car. He told me that he's never seen this happen to a car on the West coast, although, he said he's heard of it happening to cars on the East coast. He said it happened to his grandmothers car. But, that's not really the feedback I was looking for.
They pulled back some carpet to look under the console and found the evaporation drains were functioning and not leaking.
So, there is nothing they could do at this point. My concern is mold. Moisture + heat + darkness = mold. At least, that's my limited understanding.
I have another issue with the car that's been happening since I purchased it. The digital oil temp readout in the DIC jumps around as much as 40-50*F. So, it doesn't read accurately when you press on the throttle. I brought it in once before for this issue. They changed the engine oil temp sensor. That didn't work. I told them I would like this issue to be fixed because it's not normal.
They ran a diagnostic for my car and sent the file to AMG, so we'll see what they say.



