MKS leaking clear liquid under vehicle

salsathe4th

New member
So recently my car has been leaking a clear liquid under the vehicle. The whole bottom of my car is damp. I don't think its condensation because I have not had my a/c on in awhile. Its not coolant because the reservoir is full. The liquid doesn't have a smell to it and feels like water. Is is possible for it to just be condensation even without my A/C running? Could it be transmission fluid (but isnt that red)? I feel dumbfounded about what it could be other then water. The liquid lasted all night on the garage floor without evaporating.

Will probably take it in to get it checked this week. Just want to know a little more about what it could be.

Thanks
 
pmezo33 said:
Brake fluid?

But you said it feels like water?  It's not oily at all?

Not oily really

glock-coma said:
Well it has been raining basically all week in our area soooooo......

I realize that haha but it has happened when it hasnt rained.....

I'm gonna wait and see if it continues to do it again this week and will continue this post with further investigation.
 
Clogged drains?  A problem usually when you have a sun/moonroof, and for everyone that has AC.

Battery acid -known to happen sometimes

More "unusual" sources are motor mounts and control arm bushings.  Might be a leak in the CAC/piping?
 
I'm betting rain water.  Mine likes to hold it and then randomly dumps it.  Drains all appear clear.  I think it just like to wait for my foot to be nearby so it can try to get me. LOL
 
jbeez said:
Is it in the rear of the car?

Sent from my Nexus 6P using Tapatalk

It's in the front.

Still leaking some liquid but not as much as yesterday. It drips about 10 inches inside from the driver side wheel.
 
salsathe4th said:
It's in the front.

Still leaking some liquid but not as much as yesterday. It drips about 10 inches inside from the driver side wheel.

That's right under the brake fluid reservoir.  Have you done any brake work recently?  How's the level? 
 
pmezo33 said:
salsathe4th said:
It's in the front.

Still leaking some liquid but not as much as yesterday. It drips about 10 inches inside from the driver side wheel.

That's right under the brake fluid reservoir.  Have you done any brake work recently?  How's the level?

Brake fluid is perfect. Coolant level is perfect.....I'm stumped. Hasn't rained since I started this post and still leaving puddles under the car.
 
Post some pics of exactly where you are seeing the puddles.  That would give us an idea of where and how much.
 
salsathe4th said:
jbeez said:
Is it in the rear of the car?

Sent from my Nexus 6P using Tapatalk

It's in the front.

Still leaking some liquid but not as much as yesterday. It drips about 10 inches inside from the driver side wheel.

Mine leaves puddles in that same location.  I have always assumed it's from the A/C.
 
Check to see if your cabin air filter is wet,moist and while your there just change it....also could be your condenser is leaking.  Z
 
Keep in mind that the A/C compressor and A/C system is active when the defroster is on to dry out the cabin air, as long as the ambient temperature is above around 35 degrees (I don't recall the exact temperature).  So if you've been using your defroster recently, that could explain water coming from the evaporator core drain.

-Rod
 
I'll also add that if you drive around with the climate control set to "Auto" it keeps the A/C on as well, even if you haven't selected A/C from the buttons.

-Rod
 
So i've been keeping the climate control off and the liquid puddle has gone down in quantity. However the liquid now has a red hue to it.....The brake fluid level is good......and i fear the its from the tranny or ptu. I got the tranny and ptu fluid changed out a little over a month ago. I checked the tranny fluid level and it seemed low from what i could tell.

Attached are some pictures....hopefully something isnt leaking....
 
Oh my, that's more than just condensate.  That does look like it could be transmission fluid.  Are you able to put some white cardboard or white paper/paper towels on a sheet of cardboard to park over for a better estimate of the color?

-Rod
 
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