Passenger Floorboard Leak?

[icehead]

I left my 1999 Tahoe parked for one week while my wife had our new baby. When I went to start it up, it fired right up, but had this loud gurgle sound and then water poured out on to the ground near front tire and water poured on the passenger floorboard soaking it. Has anyone had this leak onto the passenger floorboard? It has been raining alot here.

 

[roadrageror]

heater core i think.

 

[Bad bow tie]

heater core i think.

That's what I would check too.

Congrats on your newborn!

 

[icehead]

Dang! The heater core went bad while it was sitting in my driveway not being ran? Is that what you are saying? Geeeeezzzz

 

[roadrageror]

its on the firewall just behind your glovebox

 

[icehead]

does the dash need to come out? the heat still works. I dont have a sweet smelling odor. iT's just alot of water. thanks

 

[drowndindreams]

heater core i think.

x2.
i've seen this before.
coolant leak.

 

[96ProCompTahoe]

theres a common water leak into the passenger floorboard on all OBS Trucks/SUVs. there was a huge thread on it on GMFS IIRC.

there were several different causes, water from the wiper cowl screw hole that goes into the fan box, a body seam sealant that went bad, couple ther problems.

I have the problem when it rains but i haven't had a chance to find/fix it yet.

 

[icehead]

I have only had this problem since it's been raining cats,chickens,dogs, hotdogs, candy, and what ever else that can fall out of t he sky that is wet or can be wet!

---------- Post added at 07:41 PM ---------- Previous post was at 07:39 PM ----------

I'm so close to saying the HELL with this *************!!. It's one thing after the next! I love not having a car payment, but this is starting to be B.S.!

 

[bowtiefreak]

join the club. I have the same issue and so do thousans of others. Under the cowl on the passenger side there is a cover that is said to need the sealant replaced. I am yet to do it, I have the floor mats with a lip that act like a drip pan and I just dump it out in the morning.

 

[Yuk_Nali_6.0]

Had the same problem on my '98. Mine was really bad once when it snowed here and as it melted, the water ran back and filled the rear passenger floorboard with about 2 inches of water. I learned to park with the nose of the truck downhill. I thought I had it fixed once after finding a couple missing screws under the wiper cowl. Finally fixed the headache for good by getting rid of the truck.

 

[icehead]

join the club. I have the same issue and so do thousans of others. Under the cowl on the passenger side there is a cover that is said to need the sealant replaced. I am yet to do it, I have the floor mats with a lip that act like a drip pan and I just dump it out in the morning.

Is the cowl where the windshield wiper motor is located?

 

[ravingmadman]

Mine just started doing this too. I about pooped my pants when I thought it was the heater core that went. The Haynes manual doesn't make replacing the heater core look like a fun or easy job. But I've only got a couple drops now when it rains.

Can someone do this, and give a How-To in the tech section?

 

[drowndindreams]

Mine just started doing this too. I about pooped my pants when I thought it was the heater core that went. The Haynes manual doesn't make replacing the heater core look like a fun or easy job. But I've only got a couple drops now when it rains.

Can someone do this, and give a How-To in the tech section?

I've watched my father do it a couple times. good luck pulling the entire dashboard out. (everything, nothing left but the mounting support)

 

[ravingmadman]

No, I mean, can I get a how-to on pulling the cowl and resealing %leaky_thing%. That doesn't require pulling the dashboard, does it? I might just get crazy with some RTV on a stick if that's the case...

 

[icehead]

No, I mean, can I get a how-to on pulling the cowl and resealing %leaky_thing%. That doesn't require pulling the dashboard, does it? I might just get crazy with some RTV on a stick if that's the case...

me too? anyone? can someone please post how to do the sealer in the cowl?

 

[992door]

Glad i am not ya'll. i have not had this problem yet (knock on wood)

 

[mikeykey]

I know the cowl top "vents" are not hard to pull as i just did this when i was re-painting my wiper arms. IIRC it was 8 phillips head screws and they came right up. I hit them with some black kyrlon fusion and am loving it!!!. As for the cowl tray removal is a different story.

 

[clean454]

hmm this makes me wanna drag the hose out and see if mines leakn! damn i hope not...

 

[bass1775]

had the same problem after a windshield replacement. They left some screws out of the cowl that they removed to replace the windshield. A couple of those screw holes go directly into passenger compartment and will leak if not sealed. I sealed every screw with sealant, whether it needed it or not. No leak after that.