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#1 |
Registered User
Join Date: Jul 2013
Location: Rockwell, NC
Posts: 1,639
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Heater Box Question - am I missing seals?
I tore apart my entire heater system inside and outside the cab. It was completely jacked up with leaves. In fact, a previous operator was trying so hard to open one of the levers that they broke it (so I have to rebuild the heater controls). The damper door they were trying to open/close was packed solid with stuff. I took the entire assembly apart, cleaned and serviced it so it should work like a champ.
Anyway... Please take a look at your heater boxes- is there a gasket or seal missing on my heater coils? Seems to me there should be something there to keep more air in the cab. I can't tell from the parts vendors I checked out if there is supposed to be something there and the service manual doesn't have enough detail... Thanks! ![]()
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1970 C-10 LWB "Blu" Instagram (current build pictures) 70_nc_c10 |
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#2 |
Registered User
Join Date: Sep 2005
Location: Canton North carolina
Posts: 3,079
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Re: Heater Box Question - am I missing seals?
Yes there are foam seals that support the tubes
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67 blue step side- bb 68 gold and white swb cst anniversary 68 custom swb hot rod Ls swap 69 swb cst 6 cylinder/ overdrive 69 black/black cst bb swb 70 orange and white cst Canada built truck swb bb 71 black and white super swb bb 71 red and white super swb 72 green and white super swb 4x4 62 nova wagon 400 series Ls swapped 68 Camaro 327/4 speed- 1 owner, original paint 66 Volkswagen bettle 69 auto stick Volkswagen Beetle |
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#3 |
Registered User
Join Date: Sep 2005
Location: Canton North carolina
Posts: 3,079
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Re: Heater Box Question - am I missing seals?
Kits are available from modern Chevy , Dave's truck parts and all the board venders, gave first two cause they are close to us
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67 blue step side- bb 68 gold and white swb cst anniversary 68 custom swb hot rod Ls swap 69 swb cst 6 cylinder/ overdrive 69 black/black cst bb swb 70 orange and white cst Canada built truck swb bb 71 black and white super swb bb 71 red and white super swb 72 green and white super swb 4x4 62 nova wagon 400 series Ls swapped 68 Camaro 327/4 speed- 1 owner, original paint 66 Volkswagen bettle 69 auto stick Volkswagen Beetle |
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#4 | ||
Registered User
Join Date: Jul 2013
Location: Rockwell, NC
Posts: 1,639
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Re: Heater Box Question - am I missing seals?
Quote:
Quote:
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1970 C-10 LWB "Blu" Instagram (current build pictures) 70_nc_c10 |
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#5 | |
Registered User
Join Date: Jul 2013
Location: Rockwell, NC
Posts: 1,639
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Re: Heater Box Question - am I missing seals?
Quote:
I also got a set of window seals (felts, channels, etc.) for the doors. That should tighten up the windows and make it sound better when I close a door. Dave's is way on the other end so I'll have to make a trip out there on a Saturday when I've not got anything else to do.
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1970 C-10 LWB "Blu" Instagram (current build pictures) 70_nc_c10 |
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#6 |
Registered User
Join Date: Sep 2005
Location: Canton North carolina
Posts: 3,079
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Re: Heater Box Question - am I missing seals?
People at modern are always good to me, I like it because I get it next day, I am other side of Asheville. Dave has a lot of stuff and worth a ride to hickory for the tour. Tommy's in Shelby is good too. He worked at modern or flow and retired from there. He knows his gm parts..
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67 blue step side- bb 68 gold and white swb cst anniversary 68 custom swb hot rod Ls swap 69 swb cst 6 cylinder/ overdrive 69 black/black cst bb swb 70 orange and white cst Canada built truck swb bb 71 black and white super swb bb 71 red and white super swb 72 green and white super swb 4x4 62 nova wagon 400 series Ls swapped 68 Camaro 327/4 speed- 1 owner, original paint 66 Volkswagen bettle 69 auto stick Volkswagen Beetle |
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#7 | |
Registered User
Join Date: Jul 2013
Location: Rockwell, NC
Posts: 1,639
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Re: Heater Box Question - am I missing seals?
Quote:
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1970 C-10 LWB "Blu" Instagram (current build pictures) 70_nc_c10 |
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#8 |
Registered User
Join Date: May 2012
Location: Faith,NC
Posts: 1,626
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Re: Heater Box Question - am I missing seals?
Hey John, I noticed you live in Rockwell. I live in Faith so if you ever need a hand with anything on your truck, let me know. It would be a shame if we live this close together and don't take advantage of that.
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#9 |
Registered User
Join Date: Jul 2013
Location: Rockwell, NC
Posts: 1,639
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Re: Heater Box Question - am I missing seals?
Cool Steve.... PM sent.
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1970 C-10 LWB "Blu" Instagram (current build pictures) 70_nc_c10 |
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#10 |
Registered User
Join Date: Aug 2013
Location: Hiram Ohio
Posts: 619
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Re: Heater Box Question - am I missing seals?
They are nothing more than 1/4" foam disks. You could make them and probably get them in there without tearing apart the box. Another possible option, you could use that expandable foam stuff, squirt around the core pipes, let it cure, then shave it off flush with the heater box...then paint it black.
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#11 | |
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Join Date: Jul 2013
Location: Rockwell, NC
Posts: 1,639
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Re: Heater Box Question - am I missing seals?
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1970 C-10 LWB "Blu" Instagram (current build pictures) 70_nc_c10 |
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#12 |
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Join Date: Jul 2012
Location: Ft Wayne Indiana
Posts: 1,204
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Re: Heater Box Question - am I missing seals?
Is it the original heater core? If so, just spend the 30 bucks and replace it now, because it's horrible trying to replace them. Just my 2 cents
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#13 | |
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Join Date: Jul 2013
Location: Rockwell, NC
Posts: 1,639
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Re: Heater Box Question - am I missing seals?
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1970 C-10 LWB "Blu" Instagram (current build pictures) 70_nc_c10 |
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#14 |
Registered User
Join Date: Sep 2005
Location: Canton North carolina
Posts: 3,079
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Re: Heater Box Question - am I missing seals?
Dave's is in Claremont
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67 blue step side- bb 68 gold and white swb cst anniversary 68 custom swb hot rod Ls swap 69 swb cst 6 cylinder/ overdrive 69 black/black cst bb swb 70 orange and white cst Canada built truck swb bb 71 black and white super swb bb 71 red and white super swb 72 green and white super swb 4x4 62 nova wagon 400 series Ls swapped 68 Camaro 327/4 speed- 1 owner, original paint 66 Volkswagen bettle 69 auto stick Volkswagen Beetle |
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#15 |
Registered User
Join Date: Jul 2013
Location: Rockwell, NC
Posts: 1,639
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Re: Heater Box Question - am I missing seals?
My bad, i thought Claremont was down on the other side of Charlotte....
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1970 C-10 LWB "Blu" Instagram (current build pictures) 70_nc_c10 |
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