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  #1  
Old 11-22-2016, 08:43 AM
Stockmanreef Stockmanreef is offline
 
Join Date: Nov 2012
Location: Midland, mi
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Default Pipe thread sealant Question

Is there any particular pipe thread sealant to use between the fuel filter and the fuel pump?

Loctite 567?

thanks
ken
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  #2  
Old 11-22-2016, 06:16 PM
JDA_BTR JDA_BTR is offline
 
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Location: Baton Rouge, LA
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Default

I used Permatex #2 just like used for the fuel tank drain....
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  #3  
Old 11-23-2016, 06:16 AM
219PB 219PB is offline
 
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Location: Victoria, Tx
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Default

Loctite 567 is a good product as long as you give it time to cure.
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  #4  
Old 11-23-2016, 06:52 AM
BillL BillL is offline
 
Join Date: Sep 2007
Location: Central IL
Posts: 5,515
Default

#2 or my favorite (for 4 decades) , Aviation #3
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  #5  
Old 11-23-2016, 12:18 PM
rightrudder rightrudder is offline
 
Join Date: Mar 2014
Location: Laguna Hills, CA
Posts: 1,805
Default

Quote:
Originally Posted by 219PB View Post
Loctite 567 is a good product as long as you give it time to cure.
Great stuff! It's an anaerobic cure, so the stuff that squishes out past the threads is always going to be a little gooey. I try to wipe off the excess as much as possible.
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  #6  
Old 11-23-2016, 07:49 PM
DaveWelch DaveWelch is offline
 
Join Date: Mar 2005
Location: Huntsville, AL
Posts: 426
Default Leaks

I used Perm #2 at first. Then I disassembled, cleaned, and reassembled all fuel and brake lines with Locktite 567 to stop the leaks.
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  #7  
Old 11-23-2016, 10:49 PM
JDA_BTR JDA_BTR is offline
 
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Location: Baton Rouge, LA
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Just out of curiosity, what did you use or do to clean the threads when you changed the sealant?
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  #8  
Old 11-23-2016, 11:53 PM
622BH 622BH is offline
 
Join Date: Nov 2011
Location: Albany, OR
Posts: 145
Default Pipe Thread Sealant

Napa India Head Gasket Shellac. Works like a charm - after 1.5 years of fighting Brake line "weeps" and a couple of fuel line leaks. Just don't get the shellac on the mating surfaces of the fittings or inside the pipe end.
Let the fittings set for 24 hours before introducing brake fluid or fuel (as appropriate) to the line.
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  #9  
Old 11-24-2016, 04:53 AM
snopercod's Avatar
snopercod snopercod is offline
 
Join Date: Aug 2016
Location: Asheville, NC
Posts: 2,092
Default Pneumatic and Hydraulic Sealant

I use Pneumatic and Hydraulic Sealant everywhere except fuel lines. I don't know if it's compatible with fuel, but it works great on brake and hydraulic lines. It's like Loctite and is what heavy equipment manufacturers use on their bulldozers and track hoes.
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  #10  
Old 11-24-2016, 07:37 AM
BillL BillL is offline
 
Join Date: Sep 2007
Location: Central IL
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Quote:
Originally Posted by JDA_BTR View Post
Just out of curiosity, what did you use or do to clean the threads when you changed the sealant?
Permatex #2 and #3 are removable with alcohol. Isopropyl or denatured ethanol. Nothing petroleum will touch it.
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RV-7
Lord Kelvin:
“I often say that when you can measure what you are speaking about,
and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
is of a meager and unsatisfactory kind.”
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