Guess What The Gasket's For & Win A Prize!
 

Good Day Everyone!

This is certainly not a truck-critical issue, but I thought I'd ask:
While chasing down a water leak in the cabin, I removed the cowl. (I think it called 'cowl'- it is the long, ventilated plastic part crossing under the windshield, below the wipers.)

There are some access holes in the metal: One is for the wiper motor, one for who knows what and so on. The hole immediately outboard of the passenger wiper mounting stud has a foam gasket kinda-sorta stuck around the perimeter. I attached a photo.

For all the information I could find, I can't figure out why this is there. It isn't like GM puts extra stuff in cars for fun. The cowl above this hole is slotted, so it isn't stopping water. I tired to search for the gasket in a parts look-up to see if it had a name that would be a clue. Nope! Just called "Gasket".

Do any of you know why this is here? And, should I replace it? (It is shrunk & won't make the perimeter any more.)

Thanks for any ideas!
Paul
PS: The water leak turned out to be the grommet retainer around the wires leading into the door. Its clips receded & it was not snapped on tightly. Wish I found this before I took a bunch of stuff apart- and broke the antenna base stud. Oops!

I would guess that is where the A/C system draws fresh air from and the gasket is there to keep whatever craps lands in cowl area from getting in.

Thanks for the quick reply.
I first thought that, too. But, there are a bunch of more holes nearby (also with air vent slots above them) that don't have gaskets.

Your reply has me re-thinking it & does make god sense:
Maybe this is the one that does the actual sucking-in of air & the others are passive? The cabin intake duct is only a few inches away.

A lot of stuff certainly gets under the cowl. (Maple tree helicopters were plentiful.)

Thanks Again!
Paul

ID gasket... win a prize
 

the "cowl" you described is known as the "valance".

So does that mean I win the prize?

The Grand Prize!
 

Thanks to everyone for your help on this puzzlement!

Wow- "Valance" If I knew it had such a fancy name, I'd have paid way more money for the truck.

As far as the prize goes ... You Won My Sincere Gratitude! (Junky prize, huh?)
Sorry! That's all I've got! (But, should you ever come to Detroit, I'll buy you a Vernors & a Coney Dog. Mmmmm Good!)

I did replace the gasket with some very similar foam strips I had left from putting in storm windows last fall.

I'm kind of glad I did dig in this deep because, while rooting around looking for the leak, I found what I guess is a third cabin filter under the dash that was plugged solid with leaves & debris. Never saw any mention of it in the owner's manual. Surprise!

Again, thanks to everyone for the ideas! This forum is cool.

Paul

A third one? I know of the 2 that sit side by side under there, but not a third - do tell.

Secret Filter
 

A third one? I know of the 2 that sit side by side under there, but not a third - do tell.

Reply:
I didn't stick around long enough to figure out exactly what it is for but ..
If you push the 2 tabs to let the glove box drawer fall & look up toward the firewall & to the right, it is kinda-sorta visible behind a foam covered wiring bundle. It is a cheapy foam pad. There is a plastic grid across it. It is about 6 or 8" square. The filter looked like a project to remove for washing, so I blew it off with the air gun. A huge amount of leaves & dirt ended up in the trough under the valance. Must be important for something.


I found it while tracing the antenna wire. I broke the stud trying to unscrew the antenna whip to take the valance off. The plan was to take the base out- wire's permanent on the base- & replace it or braze a stud on or some other make-it-work fix. I ended up just drilling and tapping both the base -still in place- and antenna & inserting a brass screw with its head chopped off. It got never-seize this time! Radio works fine. Simple enough I suppose.

Thats a new 1 on me too. Anyone know what it is?

From what I can see on my wife's Tahoe that is where the air gets sucked in from the recirculated setting (inside the cab). Hers does not have a foam pad though. It is just the grid looking opening. She will actually every once in a while open and release the glove box and spray Febreeze in there to freshen up the vents.

I took a second look at mine yesterday. I think you're correct that it's a return air for the re-circulate. For kicks, I stuck a piece of paper to block it & it got sucked up tight when I went to Re-circ. I wonder how all the leaves & junk got on the back side? Must be a lot of trash in the duct work over the years!

I like the Frebreeze idea! Genius. I think I'll spray mine with Eau-De-Fried Chicken.
Thanks for the info
Paul

win a prize
 

Well I do appreciate the dinner offer. However, I live in the Flint area and I prefer Flint Style Coney's w/ a Vernors. I little less messy than Detroit Style.

I heard a rumor that, in Flint, you're allowed to put ketchup on Coneys. Say it ain't so!

Hey don't be trying to steal my dinner offer tasutt2009! And yes I take ketchup on my Coneys. I assume a Coneys is a Hot Dog - thats what us ignorant southerners call them and we put mayo, mustard, ketchup, relish, sauercraut (? spelling), chili, onions, hell I just saw a Sonic commercial and they put a big ole pickle spear in theirs.

Detroit Coney
 

Mr Shamrock-
The Southern hot dog sounds pretty darn good! (Except for maybe the mayo. But, I won't know 'till I try it.)

I'm all in for the pickle & sourkr saurkra sourcro (I give up) S'Kraut.
Gotta love pickles & 'kraut! Breakfast of Champions!

Speaking of 'kraut, your Febreeze idea for the filter is sounding better & better!

A Detroit style Coney Dog is a natural casing, all beef hot dog on a white bread bun covered generously with extra greasy all meat loose burger style chili. Next comes a bunch of diced white & yellow onions. Finally, depending where you eat, one or two fat daddy stripes of yellow mustard.

Neighborhood Mom & Pops have the best ones- West Side around U of D & Highland Park mostly. Cheaper prices than the 'tourist' ones, too.

One Rule: No Ketchup Allowed. No Way No How.

Mr. Tassutt2009-
What's a Flint Coney like? Never tried one. A guy I sometimes work with (From Fenton, I think) says yours taste way better than ours & are healthier, too. (Heathy hot dog? Who'd a thunk it?) Where's a good place to get one? (But they gotta have Vernors or it just won't seem right.)

all yall talkin bout hot dogs gots me hungrey for some chilli dogs