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cowl vent adjustment #1305552
Mon Apr 01 2019 02:30 PM
Mon Apr 01 2019 02:30 PM
R
rc356s  Offline OP
Shop Shark
Joined: Nov 2008
Posts: 220
California
Hi All
I have a 1950 1/2 ton and trying to adjust my cowl vent. The brackets welded on the cab that the cowl vent attaches to is a hinge correct? It suppose to rotate, mine seem to be seized but it a little hard to see how it works. Anyone have a video of it operating correctly?

thanks
skipper

Re: cowl vent adjustment [Re: rc356s] #1305650
Tue Apr 02 2019 02:35 AM
Tue Apr 02 2019 02:35 AM
B
Brad Allen  Offline
Shop Shark
Joined: Sep 2006
Posts: 3,490
Salt Lake City, Utah
Directions for adjusting your vent are in the following slide set. I would advise let go on the bolts, they are unique and snap easily if rusted.
https://www.flickr.com/photos/advance-design_parts_co/albums/72157641244124604

Re: cowl vent adjustment [Re: rc356s] #1306248
Sun Apr 07 2019 01:40 AM
Sun Apr 07 2019 01:40 AM
S
Spotbiltxo  Offline
Shop Shark
Joined: Jun 2008
Posts: 1,172
San Antonio, Texas, USA
Awesome resources Brad. Thanks so much for sharing all of them with us!!!


Chuck
1950 Chevy 1/2 ton (original)
1951 Chevy 1/2 ton (future streetrod)
1941 Chevy coupe
1938 Chevy coupe streetrod
Re: cowl vent adjustment [Re: rc356s] #1306578
Wed Apr 10 2019 12:44 AM
Wed Apr 10 2019 12:44 AM
B
Brad Allen  Offline
Shop Shark
Joined: Sep 2006
Posts: 3,490
Salt Lake City, Utah
Certainly, many more to complete, I just need some time...

Re: cowl vent adjustment [Re: rc356s] #1310765
Wed May 15 2019 02:00 AM
Wed May 15 2019 02:00 AM
J
JD1  Online
Wrench Fetcher
Joined: Apr 2019
Posts: 63
Doylestown, PA
Can someone post a picture of an installed vent from under the dash?
I need to know how the top part of the vent connects to the support bracket.
It looks like I will need to fabricate one side of the support bracket since mine is missing.
Thanks,
Joe


1951 Chevy 3100 1/2 ton (1955 235, 4 speed from a wrecker)
Re: cowl vent adjustment [Re: rc356s] #1310871
Thu May 16 2019 12:47 AM
Thu May 16 2019 12:47 AM
J
JD1  Online
Wrench Fetcher
Joined: Apr 2019
Posts: 63
Doylestown, PA
Or is there a picture of the entire vent assembly in the assembly manual? Can someone post that picture if they have it?
Thank you.


1951 Chevy 3100 1/2 ton (1955 235, 4 speed from a wrecker)
Re: cowl vent adjustment [Re: rc356s] #1311064
Sat May 18 2019 02:29 PM
Sat May 18 2019 02:29 PM
C
cmayna  Offline
Shop Shark
Joined: Jan 2002
Posts: 1,911
Menlo Park, Ca
JD1, The vent itself has a pivot arm that hangs down. It is connected to a similar looking arm which points upward that is connected to the lower vent support brace/handle assembly. My rig is so cluttered under the dash, it would be hard to see the bracket assembly via a pic. Maybe that's why it drives so well smile

Here, I googled and found a decent pic of the assembly. The vent's slotted arm connect's to the lower assembly's slotted arm.

Attached Files
cowlVentAssy.jpg (132 downloads)

Craig's '50 Chevy 3100 5 window
My truck
If I'm not working on my truck or VW camper, I'm fishing with the wife or smoking Salmon.
Re: cowl vent adjustment [Re: rc356s] #1311455
Wed May 22 2019 12:25 AM
Wed May 22 2019 12:25 AM
J
JD1  Online
Wrench Fetcher
Joined: Apr 2019
Posts: 63
Doylestown, PA
Thank you. I found that one too.

My vent has a L bracket on each side of the vent. Does this L bracket mount to another L dash bracket via a bolt and nut on each side?
The bracket underneath my dash is long gone and I think I need to fabricate something to get the vent to be functional.


1951 Chevy 3100 1/2 ton (1955 235, 4 speed from a wrecker)
Re: cowl vent adjustment [Re: rc356s] #1311461
Wed May 22 2019 01:13 AM
Wed May 22 2019 01:13 AM
M
moparguy  Offline
Shop Shark
Joined: Sep 2013
Posts: 788
Watford City ND...
JD1, I had to coach my vent back into working condition. Main problem was many years of non-use. I'm currently on the road but will post up a photo within the next 48 hours.


1951 3600 with Clark flatbed, T5, 4.10 rear
1970 340 Duster
1990 5.0 V8 Miata (1990 Mustang Gt Drivetrain)
1951 Farmall Super A



Re: cowl vent adjustment [Re: rc356s] #1311525
Wed May 22 2019 07:25 PM
Wed May 22 2019 07:25 PM
C
cmayna  Offline
Shop Shark
Joined: Jan 2002
Posts: 1,911
Menlo Park, Ca
Here's a couple pics of my vent. The vent's arms connect to the pivoting arms which their base is welded to the cowl. Hopefully the pics help. Please note that the pivoting points are I believe riveted, yet one of mine has a bolt and nut. This is from the rivet breaking and so I simply drilled out the broken rivet and grabbed an extra bolt and nut.

Attached Files
IMG_0684.JPG (87 downloads)
IMG_0686.JPG (86 downloads)

Craig's '50 Chevy 3100 5 window
My truck
If I'm not working on my truck or VW camper, I'm fishing with the wife or smoking Salmon.
Re: cowl vent adjustment [Re: rc356s] #1311534
Wed May 22 2019 09:26 PM
Wed May 22 2019 09:26 PM
4
49 3100  Offline
Shop Shark
Joined: Jan 2017
Posts: 275
Taos NM
I have two 3100 1/2 tons, both now have Steele rubber products seals, all others on the market appear to be too Hard .....FWIW--Bill

Re: cowl vent adjustment [Re: cmayna] #1311573
Thu May 23 2019 01:48 AM
Thu May 23 2019 01:48 AM
J
JD1  Online
Wrench Fetcher
Joined: Apr 2019
Posts: 63
Doylestown, PA
Originally Posted by cmayna
Here's a couple pics of my vent. The vent's arms connect to the pivoting arms which their base is welded to the cowl. Hopefully the pics help. Please note that the pivoting points are I believe riveted, yet one of mine has a bolt and nut. This is from the rivet breaking and so I simply drilled out the broken rivet and grabbed an extra bolt and nut.


Perfect, that is just what I needed. Now I have to fabricate a piece and rig something up to make it work. I'll have to drill out the rivet and make a L bracket for one side of the base.
Thanks!


Last edited by JD1; Thu May 23 2019 02:46 AM.

1951 Chevy 3100 1/2 ton (1955 235, 4 speed from a wrecker)
Re: cowl vent adjustment [Re: 49 3100] #1311577
Thu May 23 2019 01:59 AM
Thu May 23 2019 01:59 AM
J
JD1  Online
Wrench Fetcher
Joined: Apr 2019
Posts: 63
Doylestown, PA
Originally Posted by 49 3100
I have two 3100 1/2 tons, both now have Steele rubber products seals, all others on the market appear to be too Hard .....FWIW--Bill

Bill,
Gotcha, I ordered it. Thanks.
Did you mount the seal on the vent itself? I've seen people mount it on the cowl or the vent.


1951 Chevy 3100 1/2 ton (1955 235, 4 speed from a wrecker)
Re: cowl vent adjustment [Re: rc356s] #1311593
Thu May 23 2019 04:22 AM
Thu May 23 2019 04:22 AM
B
Brad Allen  Offline
Shop Shark
Joined: Sep 2006
Posts: 3,490
Salt Lake City, Utah
It mounts on a recess in the cowl, the edge of the vent seals to it.

Re: cowl vent adjustment [Re: rc356s] #1312525
Thu May 30 2019 08:13 PM
Thu May 30 2019 08:13 PM
J
JD1  Online
Wrench Fetcher
Joined: Apr 2019
Posts: 63
Doylestown, PA
Well. I fixed the cowl vent today. I had to fabricate a part, but it went together great.
I received the gasket from Steele Rubber and the adhesive. I'll take the vent out and mount the gasket next.

But I'm not sure how the gasket installs into the cowl recess. There is an inside and outside area of the cowl recess, but it doesn't really fit perfectly in either.
How is the gasket supposed to fit in that cowl recess?

Thanks,
Joe


1951 Chevy 3100 1/2 ton (1955 235, 4 speed from a wrecker)
Re: cowl vent adjustment [Re: rc356s] #1312695
Fri May 31 2019 08:34 PM
Fri May 31 2019 08:34 PM
J
JD1  Online
Wrench Fetcher
Joined: Apr 2019
Posts: 63
Doylestown, PA
I talked to Steele today. They stated the flat side of the gasket should go on the bottom. The gasket should sit in the outside channel snug against the chimney of the inside channel.


1951 Chevy 3100 1/2 ton (1955 235, 4 speed from a wrecker)
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