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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Oct 2010 Posts: 22 'Bolter | | 'Bolter Joined: Oct 2010 Posts: 22 | Hello,
On 47-50 trucks there is a vent door on the side just ahead of the door. If the an assist spring that helps to keep the door closed? If there is, does anyone have a picture of it? Otherwise how does it keep a good seal? Mine seems to a bit of free movement within the handle lock.
Thanks,
Kevin | | | | | Joined: Jan 2013 Posts: 1,384 Shop Shark | | Shop Shark Joined: Jan 2013 Posts: 1,384 | On the '48 standard cab there was an over center spring that held it closed and I think fully open. Handle with a plastic knob same as the cowl vent.
On the '51 COE the lever is smaller and slides in a slot that has a notch for the lever to lock into when it's closed. I believe friction holds it open to any place you set it. No knob, just a metal lever. | | | | | Joined: Jan 2017 Posts: 308 'Bolter | | 'Bolter Joined: Jan 2017 Posts: 308 | Have you replaced the rubber gasket? | | | | | Joined: Jul 2013 Posts: 863 Shop Shark | | Shop Shark Joined: Jul 2013 Posts: 863 | Original gasket is a dense foam type material. A rubber gasket is too stiff and will not seal properly. Gasket glues in with 3m weather strip adhesive. Steele products has the best weather striping and body gaskets.
Tim
"Pay attention to the details! It ALWAYS pays off."
1949 Chevrolet 3100 Series 1/2 ton Pickup
1964 Chevrolet C10 (Ol' Yella) (SOLD)
1958 Chevrolet Biscayne 2 door (SOLD)
1970 VW Beetle
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