Ran into my first issue with my 2016 CX-5 GT (kind of a odd one)

madar

Contributor
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2016.5 CX 5 Touring AWD, 2015 SCION XB
No, cabin filter was dry, big rain was yesterday morning, checked everything yesterday early afternoon.
 
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2017 Mazda CX-5 GT, 2016 Mazda6 iGT, 2014 Mazda3 sGT hatchback
Do you have moonroof? (guess so due to GT)
If yes, it is likely the drain hole is plugged at the floorpan.
This was a common issue with Mazda '08 CX9.
The Mazda moonroof is designed so that rain could drain all the way down to the underbody thru a hole.
If the hole is somehow plugged by dirt and debris that got into the drain, the water has no where to go but flow into the kick panel.
See if this is the case for you.
 
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2016.5 CX-5 GT
So on 3 separate ocassions now I have noticed a puddle of water on my passenger floor mat. Luckily I have all weather so it didn't soak into the carpet. The first time it happened I didn't think anything of it. It rained a few days ago, maybe my passanger stepped into a puddle and brought it in. I dried it up. A few days later my bro was riding passanger side and noticed water again. Hmm it hasn't rained in nearly a weak now, puddle is unlikely, but I cleaned it up. Today another few days after the last incident, again water! I can hear it when it happens usually, but not catch it. it's enough water that you can hear it sloshing around. Anyways I checked today and the top part of the foot area was a little wet, so I am guessing it is coming from their, most likely from the A/C.

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I called to set a appointment up today, but got the machine. Hopefully it is an easy fix


you got a clogged AC drain, save yourself some money and time : you can easily fixed yourself, see tomcat1446's thread #19 in this link, he also linked a video from youtube titled "CX-5 water leak" stealerships charge like $175 for this, what a scam, they say they have to remove the dash to get to the AC unit, what BS..

https://www.mazdas247.com/forum/showthread.php?123856340-Unclog-a-c-drain-and-remove-musty-smell-easily/page2

you probably can hear water sloshing sound as you make hard turns, make sure to clamp that rubber tube before you remove it otherwise a whole bunch of water will start pouring into your passenger footwell... see thread#1 in link:

https://www.mazdas247.com/forum/showthread.php?123856340-Unclog-a-c-drain-and-remove-musty-smell-easily

get a can of compressed air and zap out any clog in that rubber hose or the white connector on the floor that drains to under your car, confirm by using a squirt bottle and squirt water into the drain tube and make sure it comes out underneath your car.

also, it may be a good idea to get a can of Kool-It from Amazon and spray the coils, to prevent mold and mildew if your drain was clogged.
 
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yrwei52

2016 Mazda CX-5 GT AWD w/Tech Pkg
Contributor
:
Plano, Texas, USA
Ran into this issue as well, felt some water collect on the tray below the fan which eventually leaks onto the floor. I'm not parked under any trees or anything so this is kind of weird.
My guess on your situation is also clogged drain from your AC evaporator. If it's rain related leaks from your windshield、HVAC outside vent inlet、or sunroof drain, you can easily to verify it by hosing water to the suspected areas. AC drain problem can be verified by hearing water sound in the area, or see water leaking out with AC on for a while.

Unfortunately OP didn't post a follow-up after his warranty service 2 years ago.

And I agree such problem shouldn't be happening for a 2-year-old car.
 
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13' CX-5 and 16' Mazda6 both Touring w/Tech/Bose
My guess on your situation is also clogged drain from your AC evaporator. If it's rain related leaks from your windshield*HVAC outside vent inlet*or sunroof drain, you can easily to verify it by hosing water to the suspected areas. AC drain problem can be verified by hearing water sound in the area, or see water leaking out with AC on for a while.

Unfortunately OP didn't post a follow-up after his warranty service 2 years ago.

And I agree such problem shouldn't be happening for a 2-year-old car.


If it is truly the drain tube another the best way to test is to turn on the AC. After a few minutes condensation should start dripping out the drain tube. If not then its clogged. You can try to unclog it with a metal hanger or I'd prefer KlimaCleaner type product where the foaming solution helps break down gunk.

Never heard of the KooAid trick LOL.
 
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2016.5 CX-5 GT
If it is truly the drain tube another the best way to test is to turn on the AC. After a few minutes condensation should start dripping out the drain tube. If not then its clogged. You can try to unclog it with a metal hanger or I'd prefer KlimaCleaner type product where the foaming solution helps break down gunk.

Never heard of the KooAid trick LOL.

LOL, not Kool-Aid... Lubegard Kool-It to clean the coils after the clog is removed. This also helps if you have musty mildew smell when you use air conditioner see link...

https://www.amazon.com/Lubegard-96030-Evaporator-Heater-Cleaner/dp/B0732Y4KG8/ref=sr_1_1?ie=UTF8&qid=1539103346&sr=8-1&keywords=kool-it&dpID=51NFD5Md5fL&preST=_SY300_QL70_&dpSrc=srch


I'm almst certain OP's issue is a clogged drain.. tons of info on CX-9 forum...

https://www.mazdas247.com/forum/showthread.php?123813466-CX-9-Clogged-AC-Evaporator-Drain&highlight=unclog

My friend Acura TL has the same issue, his was a huge repair bill though, the drain hose got plugged and the water spilled over the condensate drain pan and the water spilled over the ECU located behind the center console the ECU got fried.


OP should get it fixed asap, not good to have any water trapped in the condenser coil areas, bacteria starts to grow fast. also corrosion starts to set in quick
 
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madar

Contributor
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2016.5 CX 5 Touring AWD, 2015 SCION XB
Here's the thing, when my a/c is on I DO see water dripping underneath the car, and no, I don't here water sloshing around when I make a turn.
 
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13' CX-5 and 16' Mazda6 both Touring w/Tech/Bose
Madar, do you live in an environment with snow? I wonder if your drain tubes somehow got bugs, dirty snow, or other external factor clogging it from under the car.
 

madar

Contributor
:
2016.5 CX 5 Touring AWD, 2015 SCION XB
Madar, do you live in an environment with snow? I wonder if your drain tubes somehow got bugs, dirty snow, or other external factor clogging it from under the car.

Yes, lots of snow last year. I guess that's possible. Bug problem has been terrible this year with the ridiculous amounts of rain and hot weather.
 
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13' CX-5 and 16' Mazda6 both Touring w/Tech/Bose
Yes, lots of snow last year. I guess that's possible. Bug problem has been terrible this year with the ridiculous amounts of rain and hot weather.

The drain tube is a rubber tube. Maybe its pinched. Perhaps a bug (bee/hornet) was attracted to the water and tried to get in but got stuck. I'd try snaking a long zip tie something not sharp up the tube to dislodge any objects prior to taking it into the dealership.
 
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madar

Contributor
:
2016.5 CX 5 Touring AWD, 2015 SCION XB
The drain tube is a rubber tube. Maybe its pinched. Perhaps a bug (bee/hornet) was attracted to the water and tried to get in but got stuck. I'd try snaking a long zip tie something not sharp up the tube to dislodge any objects prior to taking it into the dealership.
Don't know about a clogged tube, was dripping pretty good when I got home. Made a puddle within a minute or two of shutting down
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madar

Contributor
:
2016.5 CX 5 Touring AWD, 2015 SCION XB
you got a clogged AC drain, save yourself some money and time : you can easily fixed yourself, see tomcat1446's thread #19 in this link, he also linked a video from youtube titled "CX-5 water leak" stealerships charge like $175 for this, what a scam, they say they have to remove the dash to get to the AC unit, what BS..

https://www.mazdas247.com/forum/sho...a-c-drain-and-remove-musty-smell-easily/page2

you probably can hear water sloshing sound as you make hard turns, make sure to clamp that rubber tube before you remove it otherwise a whole bunch of water will start pouring into your passenger footwell... see thread#1 in link:

https://www.mazdas247.com/forum/sho...nclog-a-c-drain-and-remove-musty-smell-easily

get a can of compressed air and zap out any clog in that rubber hose or the white connector on the floor that drains to under your car, confirm by using a squirt bottle and squirt water into the drain tube and make sure it comes out underneath your car.

also, it may be a good idea to get a can of Kool-It from Amazon and spray the coils, to prevent mold and mildew if your drain was clogged.
Saw the video in this link about where water would be coming out if this little hose got clogged, it's where I'm seeing water. Pulled the panel out and gave the drain hose a squeeze to see if I could hear anything squishing around in there. Gonna be pulling this hose off when I have more time tomorrow, looks pretty simple and straightforward. This thing drains in the dumbest place behind a heat shield. Could be that maybe I have a partial clog, maybe something is moving around in there to cause an occasional clog. We'll see.
 

madar

Contributor
:
2016.5 CX 5 Touring AWD, 2015 SCION XB
And this looks like a drip tray to catch anything leaking from underneath. Notice the relief circled in red. Gets mounted right under the fan where leaks would occur according to the video.
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madar

Contributor
:
2016.5 CX 5 Touring AWD, 2015 SCION XB
Get the garden hose out and go to work finding the leak site. Ed

yeah, threw a couple of buckets of water over the cowl area but that's usually not enough, will be doing the hose thing if nothing else pans out. Supposed to get heavy rain in a few days, so see what happens.