After a very heavy downpour (possibly unrelated), I had a severe water leak in the passenger side foot area (poured out and resulted in standing water). I took the panel under the glove box out and it was soaked. There is a box with sliding plastic latches and it was full of water also. I removed it and there is something electrical in the box. I don't know what this is. Di I have a leak from the outside or is this A/C condensation that has not drained properly? Maybe it is something else. Any ideas? Thanks.
Hi your problem solved, You have three drain plugs at the front of the windscreen. One at each side of the window and one under the windscreen wiper arm, Solution clean them out and you will have no more problem Jim W,
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Are you certain it is rain water? It could be condensation from the A/C coil that fails to drain out of the drain pan, or possibly coolant from a leaking heater core. If you are certain it is rain water, depending upon the age of the vehicle, and possibly some other things, here are the possible options:
Leaking door gasket.
Leaking windshield seal due to rust
Leaking windshield seal due to improper installation
Leaking windshield seal due to acoustic (sound) over pressure (if you have extreme sound system with heavy bass)
If you have a sunroof, if the drain hose comes down the passenger side door column, it could be leaking into the passenger compartment rather than drain through the floor pan.
Not comming from the speaker! Make sure that the rubber door trim aound the door is intact and not damaged. Additionally, check the rubber seal on the outside of the window where it retracts into the door. These are the only 2 ways that water can enter through the passenger door.
You can only have 2 issues dripping water onto the passenger floor board. First being a clogged drip line for the ac evaporator. The other is a leaking heater core. Figuring out which one is the issue is fairly easy.
If your vehicle has anti freeze in it when you turn the defrosters on it will smell sweet. If it does you have a leaking heater core. If it does not then the drip line is clogged.
To clear the drip line get under the vehicle and snake the drip line on the firewall. It usually is a 90 degree rubber or plastic piece on the passenger side about a third of the way up the firewall. A leaking heater core means it has to be replaced and not really a job for someone that is not exsperienced.
Here' s trick to find water leaks into cabin area,.
Mix a quart of water with a tablespoon of Murphy's Oil Soap (won't harm finish on car) liquid, mixing gently just to mix but not foam.
Start car, and place blower fan on full setting. Close all windows and other openings to try to help increase positive air pressure inside cabin compartment
Get out of car with fan blowing (engine can be running but make sure you don't lock yourself out of car) and gently pour solution on suspected areas. If there's a leak opening, the air from cabin will cause bubbles indicated leak point.
Also raise hood and use solution on fire wall where there are seams and sealant applied. I've seen these be leaks soaking the driver's side floor mats.
If you find a leak, seal it with the best clear silicone caulk, generally about $7 a tube. Clean all areas to be sealed thoroughly of any dirt, oil, grease, or loose rusted metal.
The resistors are located in the firewall just above the blower motor. they have a heavier gadge wire going to it. As for the water if it is not antifreeze then you have a leak in your cowl area by the lower windshield. I ran in to this problem on several gm cars such as yours it can be deficult to find good luck
There is a leak from your cowl area.There is a technical service bulletin to install a plastic extension onto the cowl cover so water will not leak in side. It will also damage your blower motor if you don't get it reapred.
pull your carpet up near the leak area and look for muddy body seams. it is possible one of the factory body seams are leaking- possibly in the cowl(under wipers) area, especially if it leaks when the car is sitting. there will be dirt/mud around the seams that are leaking. also you can check door seals by running the car on HIGH DEFROST with all doors and windows closed. spray around with a 50/50 soapy water solution. obviously bubbles will form around your leak.
more than likely to be either front or rear windscreen, water seeps under carpets to lowest part of floor, if vehicle is a hatch back check the channel at top of door opening is not blocked with leaves or debris as this can cause water to overflow and into vehicle