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01-06-2016, 01:12 AM
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#4 |
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Senior Member
  
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,692
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Re: More pic for my questions
I can't speak for the heater box, don't even know if there's a flapper, but I'm guessing not.
The flapper for the Air/Defroster Selector Duct (under temp. control) is probably a bit worn on the end. Mine is, but it's still good. These are a pretty tough piece of rubber. As for the flapper for the Duct Air Selector (aka A/C diverter box), inspect for tears around the hinge. Also, see what it does when you flip the link back and forth. If it doesn't open and close correctly then the flapper is torn up. From what I've seen, I'll be surprised if you have the original box with a good flapper. You can buy a replacement or a brand new GM. I know Classic Heartbeat has the GM.
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Tony 1971 C10 Custom Deluxe SWB 402/400TH A/C I developed an assembly information kit for restoring my truck from nuts and bolts. It's written in Assy. order, short & simple, packed with all OEM hardware ID; castings; part ID; 100s of part numbers; wiring simple - Resource, and trivial too. Much info. applies to all 67-72 GM, A/C vehicles, esp. trucks W/O saying. Full search ability, including to 700+ images of illus., parts, charts, Assy., points of interest, cab, bed, & front clip cart plans- Specials and cores were serviced out and R excluded e.g. front/rear glass, body/paint, engine core, rebuilt hinges, steering box, trans, etc. The project was in-line with long former professions developing process, policy, specs, demo, written for novices, admin., policy, engineers, development, systems & test - Public & govt 2, gross. Sell soft copy cheaply, PM if interested.Build thread:https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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