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coolbugfan Samba Member
Joined: July 07, 2018 Posts: 405
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Posted: Sun Sep 08, 2024 7:56 pm Post subject: Sealant Question |
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Hi Sambas,
I’m troubleshooting my gas gauge. I had the cluster out and shorted the gas gauge and it read full. Great. So now I’m looking at investigating the sender in the tank
Fortunately, I have an inspection hatch so I can access the tank without removing EVERYTHING. However, as well as bolts, the inspection hatch is sealed with some sort of sealant to keep any engine fumes and smells out of the cabin.
Once I’m finished inside the tank, what sort of sealant is recommended to reseal the inspection hatch? It’s not structural. It’s just to keep the fumes and noise out of the cabin. Obviously, it will need to be able to take some heat.
What is recommended?
Much thanks |
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Wildthings Samba Member

Joined: March 13, 2005 Posts: 52379
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Posted: Mon Sep 09, 2024 12:31 am Post subject: Re: Sealant Question |
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I have just used a high temperature rated RTV silicone, though a fire stop sealant would add a degree of safety should you have an engine fire. |
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Bnanwel Samba Member
Joined: November 10, 2022 Posts: 279 Location: Ft Lauderdale
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Posted: Mon Sep 09, 2024 5:24 am Post subject: Re: Sealant Question |
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One thought: isn’t a heat resistant sealant a bit overkill here? In order to affect that seal in the event of an engine fire, the fire would have to be in the tank compartment, bigger problems. _________________ ‘72 Karmann Ghia Conv.
‘73 Karmann Ghia Coupe
‘74 Karmann Ghia Coupe
‘70 Deluxe
‘72 Deluxe |
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Wildthings Samba Member

Joined: March 13, 2005 Posts: 52379
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Posted: Mon Sep 09, 2024 6:10 am Post subject: Re: Sealant Question |
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Bnanwel wrote: |
One thought: isn’t a heat resistant sealant a bit overkill here? In order to affect that seal in the event of an engine fire, the fire would have to be in the tank compartment, bigger problems. |
If it gains you ten seconds before the heat or smoke makes it to the passenger compartment it might save your life. |
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Bnanwel Samba Member
Joined: November 10, 2022 Posts: 279 Location: Ft Lauderdale
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Posted: Mon Sep 09, 2024 10:55 am Post subject: Re: Sealant Question |
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Excellent point! _________________ ‘72 Karmann Ghia Conv.
‘73 Karmann Ghia Coupe
‘74 Karmann Ghia Coupe
‘70 Deluxe
‘72 Deluxe |
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