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Water in the left rear floorboard
Posted: Sun Jun 12, 2016 11:05 pm
by fmacnak
Hi all, so after it rains I get a wet carpet on the left rear side of the vehicle. Any thoughts on how that occurs? I don't think my door seals are leaking. I'm wondering if it's the sunroof drain is plugged or loose. Any thoughts?

Re: Water in the left rear floorboard
Posted: Mon Jun 13, 2016 11:36 am
by gmman
96 SE, same symptom, checked door seals, etc. (this car not equipped with sunroof). solution, caulked around fresh air intake (located between wipers). also should clean any trash in wiper well.
Re: Water in the left rear floorboard
Posted: Mon Jun 13, 2016 1:24 pm
by J Wikoff
It could be the sunroof drain. Pop the rear seat bottom out and see if it's wet under that side and look for evidence of water trails leading up near the door.
Re: Water in the left rear floorboard
Posted: Mon Jun 13, 2016 3:30 pm
by Pontiac1
If it is the sunroof drain,use some good glue to adhere it when you put it back on or it will come off again in the future,happened to me.
Re: Water in the left rear floorboard
Posted: Mon Jun 13, 2016 7:46 pm
by SSEBonne4evr
Wiper intake as stated was my left leak.
Also, Re install the door seals filling in the bottom
with a piece from the yard.
Could be as much as 2" shorter at the bottom when you do this.
http://www.pontiacbonnevilleclub.com/fo ... 39736.html
Re: Water in the left rear floorboard
Posted: Wed Jun 15, 2016 8:14 am
by Baconboy95
Be sure to check for shrinking door weatherstripping as well.
Re: Water in the left rear floorboard
Posted: Wed Jun 15, 2016 10:55 am
by MKMike
Pontiac1 wrote:If it is the sunroof drain,use some good glue to adhere it when you put it back on or it will come off again in the future,happened to me.
I took no chances on mine; RTV and zipties to secure the tubes to each other.
Re: Water in the left rear floorboard
Posted: Wed Jun 15, 2016 12:27 pm
by haro1225
Hole in the wheel well?
Re: Water in the left rear floorboard
Posted: Wed Jun 15, 2016 8:04 pm
by 96 SSEi
hi, I had this in my 96 SSEi and it was a small oval piece with little tabs in the floor
look under the car and you will see it - caulk it after cleaning and it will stop the water ingress