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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Mar 2003 Posts: 1,132 Shop Shark | | Shop Shark Joined: Mar 2003 Posts: 1,132 | Yet another dumb question. My 49 sub has the fresh air cowl vent on the left side and the vent on the top of the cowl just behind the hood. Both of these vents have handles for opening and closing. Directly opposite of the left side cowl vent is a louvered vent that seemingly has no purpose. While replacing the right side inner cowl panel I noticed that the louvers lead into a closed area between the door post and the front fender. There is also a removable cover on the inside of the cowl panel that seals the area off. I am trying to figure out what the louvered area is for. Any help out there? Weeds | | | | | Joined: May 2005 Posts: 23 'Bolter | | 'Bolter Joined: May 2005 Posts: 23 | The vent on the right hand side (passanger) is for air circulation for a heater setup. To install the heater, the cover which acts as a blank plate, needs to be removed. | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | Just to be more specific, this is called the fresh air heater because it draws it's air from outside through those louvers. The other knd of heater does not attach there and recirculates air from inside the cab through the heater core. | | | | | Joined: Sep 2005 Posts: 30 Member | | Member Joined: Sep 2005 Posts: 30 | | | | | | Joined: May 2005 Posts: 145 Wrench Fetcher | | Wrench Fetcher Joined: May 2005 Posts: 145 | Very cool. No pun intended.
Doyou have a lot of old literature?
MV | | | | | Joined: Mar 2003 Posts: 1,132 Shop Shark | | Shop Shark Joined: Mar 2003 Posts: 1,132 | si47, Tnix and Mike Vee thanks for educating me. And MT the picture says it all. Weeds | | | | | Joined: Apr 2002 Posts: 1,571 Shop Shark | | Shop Shark Joined: Apr 2002 Posts: 1,571 | Nah, MT doesn't have a lot of old literature...or any trucks, for that matter. :p | | | | | Joined: Mar 2004 Posts: 44 Member | | Member Joined: Mar 2004 Posts: 44 | Staying somewhat on topic, does any one know where to get a cover plate for the fresh air heater opening? Nobody seems to reproduce those.
1954 Chevy 3100 Panel Truck 2004 GMC Yukon 2002 Chevy 1500 4X4 "Those who expect to reap the blessings of freedom, must, like men, undergo the fatigues of supporting it." Thomas Paine, The American Crisis, No. 4, September 11, 1777
| | | | | Joined: Apr 2002 Posts: 1,571 Shop Shark | | Shop Shark Joined: Apr 2002 Posts: 1,571 | MT. Carter's has access to used parts, they probably have some. Heck, I might have a decent one around here. | | | | | Joined: Jan 2005 Posts: 24 Member | | Member Joined: Jan 2005 Posts: 24 | I have seen the cover plates on ebay or try the swap meet on hear | | |
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