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09-30-2006, 03:36 PM
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#1 |
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Active Member
 
Join Date: Dec 2005
Location: Bethlehem, PA
Posts: 346
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Teflon tape on brake lines?
I've heard a number of conflicting theories on the use of teflon tape on brake line fittings. Just put all new lines on front and rear and just have the least little bit of drips. Can I use a little tape or not? Any thoughts?
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The older I get, the faster I was!! |
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09-30-2006, 04:04 PM
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#2 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: Teflon tape on brake lines?
all my schooling always said NEVER use ANYTHING on lines other than clean brake fluid. The threads don't hold any fluid in at all, the flair on the end of the line does that work.
If there is leakage, tighten them up a little more. if there is still leakage, then disconnect the line, and inspect the surcases for dirt or jagged edges. |
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09-30-2006, 04:24 PM
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#3 |
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Senior Member
Join Date: Apr 2000
Location: Delta,Pa
Posts: 14,948
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Re: Teflon tape on brake lines?
if the lines are leaking there either isnt a good double flare or the fitting isnt tight enough.brake lines seal off of the flare as longhornman said. brake lines are subject to extremely high pressure the threads dont seal anything. if anything teflon tape will stop you from being able to properly tighten the lines. DO NOT use teflon tape
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Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member. |
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09-30-2006, 06:34 PM
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#4 | |
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Senior Member
 
Join Date: May 2006
Location: Philadelphia, Pa. 19454
Posts: 9,766
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Re: Teflon tape on brake lines?
Quote:
Nice to meet you at the get together! Jim
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Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
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09-30-2006, 06:42 PM
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#5 |
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Active Member
Join Date: Dec 2005
Location: Bethlehem, PA
Posts: 346
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Re: Teflon tape on brake lines?
Thanks guys. I just continue to tighten each fitting cautiously! Everything is new so hopefully the flares are good.
Jim, good to meet you too. I expect next years Northeast get-together to be much bigger!
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The older I get, the faster I was!! |
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09-30-2006, 09:49 PM
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#6 |
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no brain no headache
Join Date: Jan 2005
Location: Cape Cod MA
Posts: 567
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Re: Teflon tape on brake lines?
 like others said make sure there is no trash in the threads. Also make sure they are not crossthreaded or ghauld (sp). 
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1996 GMC Sierra z71  1970 SWB 2wd (project) 
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09-30-2006, 11:52 PM
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#7 |
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Registered User
Join Date: Jun 2006
Location: concord, north carolina
Posts: 50
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Re: Teflon tape on brake lines?
hey I'm new here , and no expert
but one thing I have found with new brake lines is after you tighten them for the first time , back them off about half a turn and them tighten them back up it helps them seal especialy with stainless lines cause thy are so hard. but like the others said dont use tape!! |
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10-01-2006, 01:59 AM
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#8 |
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Registered User
Join Date: May 2005
Location: Beaverton, OR
Posts: 3,728
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Re: Teflon tape on brake lines?
When I was getting the fittings for my air bag kit, the guy at the shop said NEVER use tape on anything.
For brake lines, like others said, the threads are not an issue anyway. But for other things, use a good liquid thread sealant like Loctite 545. The tape doesn't do well in climate and temp changes. |
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10-01-2006, 08:18 AM
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#9 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
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Re: Teflon tape on brake lines?
Teflon tape is for "non-seated" fittings.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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10-01-2006, 08:57 AM
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#10 |
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Senior Member
Join Date: May 2006
Location: Philadelphia, Pa. 19454
Posts: 9,766
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Re: Teflon tape on brake lines?
[QUOTE=NitroMike;1816887]Thanks guys. I just continue to tighten each fitting cautiously! Everything is new so hopefully the flares are good.
How you making out? Check to see if someone gave you the wrong angle on the fittings. They should match up. Actually, I go the other way and lubricate my threads with anti-sieze, esp. on my speed bleeders. It helps the threads slide better, it doesn't hurt the hydraulic system as a pc. of tape would. I do take care to keep it off the first couple of threads. JMHO
__________________
Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
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