Leak !!!...where is it coming from? - Nissan Murano Forum
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#1 Old 09-07-2006, 01:10 AM
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Leak !!!...where is it coming from?

OK..I have noticed that everytime I park the vehicle after driving it with the AC on there is a leak. I took a tissue to dab it to check if it was oil, coolant etc...It was plain water which makes me to think it was AC discharge..Is this a common problem, or should I be looking for something else.

I did take the car to the dealer to check for transfer case leakage or oil burning. They stated it was nothing and even had the car on a lift. They did mention about the AC fluid, just want to know if this is normal for Muranos?
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#2 Old 09-07-2006, 01:22 AM
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hype-r-29-

It is nothing to worry about. It is nothing more than condensate (water) from the A/C. Technically, it is water vapor that condenses on the evaporator coil which is located in the duct-work behind the dash.

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#3 Old 09-07-2006, 01:27 AM
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Re: Leak !!!...where is it coming from?

but it seems like it is coming from the middle of the vehicle..unless Im going crazy!!!
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#4 Old 09-07-2006, 01:36 AM
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Rest assured, you are not crazy.

If you are 100% positive that the fluid leaking from your car is clear water, then it is definitely condensate from the air conditioner. The only other sources of water is the engine coolant and windshield washer fluid, both of which are not clear.

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#5 Old 09-07-2006, 11:51 AM
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Right, you should be concerned if you do NOT see water in humidy times when running the AC.

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#6 Old 09-07-2006, 12:08 PM
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Quote:
Originally posted by Gonzo
Right, you should be concerned if you do NOT see water in humidy times when running the AC.
on ANY car.

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#7 Old 09-07-2006, 05:14 PM
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Re: Re: Leak !!!...where is it coming from?

Quote:
Originally posted by hype-r-29
but it seems like it is coming from the middle of the vehicle..unless Im going crazy!!!
The AC condensate drain is in the middle of the car, right around and just ahead of where the shifter is. It would make sense to see the water coming from there after AC is run.

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#8 Old 09-07-2006, 05:20 PM
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How about taking the car for a spin WITHOUT the AC on.
You will know for sure if it's high and dry after you get home. I vote condensation.
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#9 Old 09-12-2006, 06:56 PM
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The condensor drain tube comes off the same box in your interior compartment (behind the glovebox) where the HVAC fan is. So thats why it seems like it comes from the middle of the car. The drain tube does *not* come from the AC compressor.

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#10 Old 07-11-2011, 02:33 PM
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Same leak experienced...only after an a/c recharge.

Hello, this is an old thread, so I don't know if there will be any hits but it is worth a shot. My wife's MO's a/c went warm a few days ago and with triple digit heat and a black interior it gets too toasty without the a/c. I decided to check the a/c's psi and it registered a little low. I proceeded to add some 134a w/ oil only to bring it up to about 45 psi. I let it run for a bit to see if it would cool properly, and after about 5-10 mins of running on max a/c, I turned it off and went inside the house.

I came out and found a large puddle right underneath the car's heatshield (or where I, a nonmechanic would perceive the heatshield to be). I checked the liquid to see if it had that acrid refrigerant smell or color, but it had not smell or discoloration. It also dried promptly leaving no residue on the concrete pad. I thought it was a/c discharge resulting from the increase pressure from the recharge (I live in a relatively dry climate with low humidity and can't reasonably believe that the puddle resulted from condensation after only 5-10 mins). However, my wife took it for a drive and upon start-up coming back the air was warm again.

I think we have a leak, which stinks due to timing (just graduated from grad school and am taking boards, unemployed, baby coming, etc. and hope to find some self-help remedy or at least self-diagnostic help so that we only have to pay for repair and no diagnosis. Any help is appreciated.
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