 WTB: heater control box dust cover |
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| s13u74cr4 |
 Aug 25 2025, 02:14 PM
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#1
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Newbie  Group: Members Posts: 37 Joined: 2-September 23 From: PNW Member No.: 27,558 Region Association: Pacific Northwest  |
Anyone have a dust cover for the heater control box lying around for a 73? Think I am just going to cap that off in the summer, cap the inlet into the firewall, and route the excess over to the side per the vapor lock Porsche tweak doc.
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Replies(1 - 8)
| DC_neun_vierzehn |
Aug 25 2025, 04:04 PM
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#2
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Senior Member Group: Members Posts: 567 Joined: 16-November 20 From: Coastal Delaware Member No.: 24,893 Region Association: MidAtlantic Region 
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Do you have a pic or can you show in a parts diagram what you're referencing?
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| bdstone914 |
Aug 26 2025, 02:53 AM
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#3
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bdstone914 Group: Members Posts: 5,089 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
@DC_neun_vierzehn
date='Aug 25 2025, 03:04 PM' post='3221117'] Do you have a pic or can you show in a parts diagram what you're referencing? [/quote] I think he means the Heater flapper valve hat But I don't know why you need one if doing the vapor lock update which removes it. @s13u74cr4 Like this? Attached thumbnail(s) 
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| s13u74cr4 |
Aug 26 2025, 03:22 PM
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#4
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Newbie Group: Members Posts: 37 Joined: 2-September 23 From: PNW Member No.: 27,558 Region Association: Pacific Northwest |
[quote name='bdstone914' date='Aug 26 2025, 01:53 AM' post='3221214']
@DC_neun_vierzehn date='Aug 25 2025, 03:04 PM' post='3221117'] Do you have a pic or can you show in a parts diagram what you're referencing? [/quote] I think he means the Heater flapper valve hat But I don't know why you need one if doing the vapor lock update which removes it. @s13u74cr4 Like this? [/quote]i Ohh, I mean the other side that would go into the hose-->opening in the firewall for the heat. I thought the dust cap would fit either side but maybe not? Regardless, something to cap off the other side of the box. |
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| Montreal914 |
Aug 26 2025, 08:57 PM
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#5
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Senior Member Group: Members Posts: 1,899 Joined: 8-August 10 From: Claremont, CA Member No.: 12,023 Region Association: Southern California
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The heater valve Bruce is showing is connected to the tube that lives in the long via a flexible duct. There is no cap there.
What some people have been using to cap off the inlet tube (longitudinal) is a rattle can paint cap. Hope this helps. (IMG:style_emoticons/default/confused24.gif) |
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| bdstone914 |
Aug 27 2025, 06:50 AM
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#6
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bdstone914 Group: Members Posts: 5,089 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
QUOTE(Montreal914 @ Aug 26 2025, 07:57 PM)  The heater valve Bruce is showing is connected to the tube that lives in the long via a flexible duct. There is no cap there. What some people have been using to cap off the inlet tube (longitudinal) is a rattle can paint cap. Hope this helps. (IMG:style_emoticons/default/confused24.gif) You can buy an expandable rubber plug off Amazon. It has a bolt in the center that expands the rubber. I did not find paint cars fit well and you have to fashion some kind of clamp to keep them on.0 |
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| DC_neun_vierzehn |
Aug 27 2025, 11:21 AM
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#7
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Senior Member Group: Members Posts: 567 Joined: 16-November 20 From: Coastal Delaware Member No.: 24,893 Region Association: MidAtlantic Region
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QUOTE(bdstone914 @ Aug 27 2025, 06:50 AM) QUOTE(Montreal914 @ Aug 26 2025, 07:57 PM) The heater valve Bruce is showing is connected to the tube that lives in the long via a flexible duct. There is no cap there. What some people have been using to cap off the inlet tube (longitudinal) is a rattle can paint cap. Hope this helps. (IMG:style_emoticons/default/confused24.gif) You can buy an expandable rubber plug off Amazon. It has a bolt in the center that expands the rubber. I did not find paint cars fit well and you have to fashion some kind of clamp to keep them on.0 Do you have a link for that @bdstone914 ? |
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| s13u74cr4 |
Aug 27 2025, 12:02 PM
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#8
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Newbie Group: Members Posts: 37 Joined: 2-September 23 From: PNW Member No.: 27,558 Region Association: Pacific Northwest |
I did put a spray paint cap on the side going into the auto. Thought if I did the same on the other end it would melt. I like your idea better @bdstone914 , link?
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| bdstone914 |
Aug 27 2025, 02:04 PM
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#9
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bdstone914 Group: Members Posts: 5,089 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
QUOTE(s13u74cr4 @ Aug 27 2025, 11:02 AM) I did put a spray paint cap on the side going into the auto. Thought if I did the same on the other end it would melt. I like your idea better @bdstone914 , link? .search for rubber expansion plug. Many sources |
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