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I have a leak and I don’t know where it would be coming from

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  • #447499
    steve1990 steve1990steve1990
    Participant

      Hello everyone Hopefully this is the right spot to post this, new guy here,

    Viewing 8 replies - 1 through 8 (of 8 total)
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    • #447500
      619DioFan619DioFan
      Participant

        Welcome to the forums !

        Does the moisture happen to smell like antifreeze ? if so you may have a leak in the heater core. normally heater core leaks make the carpet wet on the pass side but it is possible the coolant found a way to travel to the driver side ( providing the fluid is antifreeze ) I would recommend pressure testing the cooling system and checking for leaks.

        #447501
        steve1990 steve1990steve1990
        Participant

          Quoted From 619DioFan:

          Welcome to the forums !

          Does the moisture happen to smell like antifreeze ? if so you may have a leak in the heater core. normally heater core leaks make the carpet wet on the pass side but it is possible the coolant found a way to travel to the driver side ( providing the fluid is antifreeze ) I would recommend pressure testing the cooling system and checking for leaks.

          Thanks for the quick response, I just went out to make sure but we had a down pour last night so it’s definitely the rain water coming in, I’m having a hard time finding where it’s coming in because the other thing is too that the door panel wasn’t even wet

          #447502
          MattMatt
          Participant

            I have been fighting a similar leak like this in my Rav4. I ended up finding that at first the cowl cover screw plates (the little plastic plates with a rubber insulation that is supposed to seal to the body) was leaking into the airbox. When I removed and replaced those, apparently I disturbed something else, and found a small patch of rust under the windshield that began leaking even more. I covered this area with silicone adhesive, and have mostly fixed the problem, at least temporarily. A common cause of this issue is the windshield seal itself failing, especially if it’s been replaced before, as mine had been. I can tell you it is a HUGE pain in the @ss tracking this stuff down. Your best bet is to get a hose and have it spraying on the suspected leaking area, and repair the areas that may be leaking as you find them. Best of luck, because I’ve been working on mine for six months, and haven’t completely fixed it, but I’ve got it down to a trickle.

            #447503
            EricTheCarGuy 1EricTheCarGuy
            Keymaster

              If you’ve been running your AC lately you might want to check this video out.

              http://www.youtube.com/watch?v=DfXyo7a2F9A

              Other than that water leaks can be a bear to find, it usually takes 2 people, one with a garden hose running it on the outside of the vehicle in the suspected area while the other is inside looking for the leak (gets real fun in trunks). You may also have to remove stuff to put your eyes on where the leak is coming from. If you recently had a windshield replace suspect it, it might not have sealed correctly. Lastly know that GM’s are kinda famous for rusting out in the area beneath the windshield, in the end it may need to be removed to inspect the area beneath it.

              #447504
              steve1990 steve1990steve1990
              Participant

                Quoted From EricTheCarGuy:

                If you’ve been running your AC lately you might want to check this video out.

                http://www.youtube.com/watch?v=DfXyo7a2F9A

                Other than that water leaks can be a bear to find, it usually takes 2 people, one with a garden hose running it on the outside of the vehicle in the suspected area while the other is inside looking for the leak (gets real fun in trunks). You may also have to remove stuff to put your eyes on where the leak is coming from. If you recently had a windshield replace suspect it, it might not have sealed correctly. Lastly know that GM’s are kinda famous for rusting out in the area beneath the windshield, in the end it may need to be removed to inspect the area beneath it.

                Now that I think about it I have been running my AC a lot lately but I can’t recall if it’s that or I really have a leak somewhere, And I did have my windshield replaced a little while back so that could be the culprit but I don’t feel right calling that because I’ve gotten wet before that while driving before that too looked like it was coming from the top of the door somewhere but I could never find it and this is the first time it’s ever been a big puddle like that, Looks like I have some work to do I have a few suspected areas i’m going to spray with the hose and I want to check the AC drain too

                #447505
                mfdfirefighter46mfdfirefighter46
                Participant

                  also i have found that water can get in if your radio antenna mast isnt sealing the way it should so you could always check that too

                  #447506
                  R -vinR-vin
                  Participant

                    [b]hi,

                    possibly the liquid could be rain water comming from the sun roof drain hoses (there should be 4 of them in the 4 corners of the vehicle hood/roof, passing thru the door posts to a drain point some where below….
                    or from the A/C system if the evaporator drain hose is clogged…when was the last time you saw water dripping out of the A/C drain hose?
                    or from the heater core/ heater hoses…pressure test your cooling system with the heater control on….
                    do you have a beverage cooler between the front seats…possible source of the liquid….

                    i hope this is of some assistance[/b]

                    #447507
                    nleonard86nleonard86
                    Participant

                      I agree with R-vin, make sure you check your sunroof drains, if the bottom end of one of those gets clogged, it can soak your floor in a hurry.

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