Question about 2001 Pontiac Grand Prix

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Water leaks from behind glove box onto floor - 2001 Pontiac Grand Prix

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Three things can cause this.A leaking heater core,leaking windshield(when it rains,or has been washed),and sometimes not often the AC drain plug can be clogged.I would go with the heater core,look under the dash you will see a black plastic box with 8mm screws about 6-10 of them remove them from the bottom first and gently pull on the cover you should get water running out.Replace the heater core,if water present.

Posted on Aug 01, 2009

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My 2001 did this. Ended up being a leak around the sun roof. Took forever to find and a lot of sopped up water.

Posted on Jun 20, 2013

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Posted on Jan 02, 2017

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SOURCE: Water leaking into car from behind the glove box.

look under hood on the fire wall on the side of the leak see if you can see where it is coming in

Posted on May 22, 2009

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SOURCE: 1998 plymouth voyager also leaks from behind the glove box

Could it be the condensation drain from your air conditioning system is pluged up and overflowing into the van.All A/C systems produce condensation. After the A/C has been on for a while you should be able to see a regular dripping if you look under the front area of the van. All cars with A/C will drip. Some times the drain hole gets plugged up with dirt,dust.tree droppings, bugs ect.
The evaporator is located near the glove box and is where the condensation is produced.
Another thought is your heater core. If this is the trouble your coolant level will be dropping.Just check and see the level in the radiator, with the engine Cold only.
I hope this helps you find the trouble.

Posted on Sep 14, 2009

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Why doi hear water in the dash on a 2004 chevy impala


That's the antifreeze entering and exiting the heater core, which is located behind the glove box of the dashboard. If there is sweet smell or antifreeze on the inside floor on the passenger side, you have a leak in the heater core.

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Leak onto floor behind the glove box, also making defrost slow to work.


i'm thinking this leak may actually be caused by a rusted out spot or hole on the hood of the vehilce, or by the windshield seal coming loose allowing water to enter..

if the cars antenna is above that area where the leak is it can also come from that..

basically it will enter the hood, run down the sides and gather on the floor under the glove compartment...

you said its only when its raining right ?? so its definitely a leak.

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Leak coming from behind glove box onto floor


Your heater core is leaking and will need to be replaced.

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2002 Mitsubishi Lancer leaking water under glove box and a noise in that same area becoming more noticeable. Air conditioning unit?


Typically, when you have water leaking from underneath your glove box, that means that your heater core is leaking. Your heater core is basically a small radiator located inside your car, just behind your glove box, thjat a fan blows through for the purpose of warming the interior of your car and defrosting the inside of your windshield. This core is fed water via your engines water pump, from your engine where the water is heated, through the heater core and back through the radiator located under the hood of your car and through the engine once again, in a continual cycle. What happens after time, the heater core is of a much thinner construction than your radiator and will corrode through in a much lesser time. The other things which commonly occurs in the heater cores today, is that when your car overheats or blows a head gasket, it will allow the exhaust gas from your engine into your water system and create a tremendous amount of pressure. The heater core is not designed to deal with this extra pressure and typical blows out and leaks water onto the floor board of the passenger side of the vehicle. Heater cores are not all that expensive a part, but to replace it, can be quite difficult on some make and model cars. This information applies to most all make and model cars both previously and currently produced.

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Water leaks on passenger floor in my 97 honda civic


I have a 1997 Toyota Camry. Water was collecting on the front PASSENGER floor after a rain. I opened my sunroof and found the front drainage holes (about 1/8" diameter) in the corners of the track sunroof track. They looked clear. I poured a bottle of water in track and watched the result. Sure enough, water started dripping from the right ride of the glove box on to the floor. I started tearing out the interior panels to trace the leak. What I found is that if I poured the bottle of water REALLY slow into the sunroof hole = no leaks. But if I pour it too fast the small 1/8" hole cannot keep up and the track overflows! THAT is where the leak comes from in my car! If water overflows the track, then it makes its way down the column trim, around the glove box and on to the floor.

So I need to help the 1/8" sunroof hole drain faster. I took some 18AWG TFFN electrical wire and jammed it into the hole to help clean it out. I then removed the black plastic mud flap behind my front tire and blew out all of the leaves and rotted debris that where behind that flap. It was packed with junk! I poured more into the 1/8" hole and it seemed to drain quicker.

I hope this information helps others.

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A leaking windscreen,door seal or window seal. Run a garden hose over your car and use baby powder to pin point where the water is in running from.

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There is a water leak somewhere in my 98 toyota camry that leaks into my passenger side floor. There is no sun roof and no visible leaks from the windows or doors. Any thoughts? A/C leak maybe?


Check the A/C condensate drain tube, which is under the glove box, towards the center console, going thru the firewall. If it is plugged, the water in the A/C box will have no place to go & leak onto the floor. This is a common issue, and running the A/C on the "fresh" mode compounds this problem. When the A/C is on, the water removed from the interior is supposed to drain out thru the firewall onto the street.

Aug 04, 2008 | 2002 Toyota Camry

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