Wits' End- Emergency Brake Line Plug, M10 x 1.0

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NLXTACY

Wits' End
Supporting Vendor
Joined
Dec 7, 2007
Messages
28,186
Location
Medford, OR
Website
absolute-wits-end.com
EMERGENCY USE ONLY!!!

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Ever been on a trail or water crossing and had a branch or rock smash a brake hard line or literally have the brake hose ripped in half? I've had the displeasure of dealing with it twice in 35 years; once used a pair of vice grips to clamp the hose closed and once twisting the hard-line into a curl to get it to close.

Dealing with this in the middle of nowhere can be frustrating and confusing if you aren't sure about how to get back home with brakes. But you can eliminate one of the brake circuits by blocking the line if the hose/tube gets severed. You will still need brake fluid but at least it'll get you off the trail and to a solid repair.

This TEMPORARY EMERGENCY ONLY fix will only work on M10 x 1.0 inverted flare fittings soooo Toyota. All Toyotas. This little fitting is used to plug a damaged hose or line. This plug is a solid plug. No flow in or out. The fitting is properly designed to use on female or male inverted fittings.

This fitting is CNC machined and anodized with a yellow warning disc. This warning disc is a reminder that this is NOT a permanent solution but a TEMPORARY EMERGENCY ONLY fix. The areas of the fitting that are not anodized (raw aluminum) are the surface areas that come into direct contact with the inverted flares. Because of the hardness of the anodize layer, the anodize was removed from the flare contact points in order to guarantee proper contact. This contact is done following Toyota's inverted flare angles of of 45deg and 42 deg at the critical mating edge. Unlike an AN fitting, you don't want inverted flare fittings to be perfectly angular match. There must be an angular offset to guarantee a proper contact patch to avoid leaking.

Fits all Toyota trucks.

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much nicer than the redneck fix method I learned from Tools R Us!
 
I coulda used one of these on Cliffhanger a few years ago. Much better than vicegrips zip-tied to the frame. :hillbilly:
 
Yesterday I had a few folks send messages asking for a little more info on the brake fitting emergency plug. Figured I’d do some drawings to help explain.

In Application no. 1 the original “broken” rubber hose has been removed completely. Typically this is at the caliper. The caliper end has the banjo bolt so it’s fine but the hardline is open so you can’t fill with brake fluid to safely move/stop the vehicle.

Threading the hardline into the new plug seals THAT circuit so that you can fill with brake fluid without leaking. YES you are without ONE tire braking and YES you will obviously be pulling to one side during braking. But as an emergency to get you and the vehicle to safetY, WITHOUT, relying on vice grips, duct tape, chewing gum and a paperclip, this is far safer.

Application no.2 is using the plug to block off a hardline that’s been compromised but removing the entire rear circuit at the LSPV or even at the brake tee in the engine bay.

Again, in a total emergency to get you to safety to get your rig properly repaired, this is much easier and safer than just about every other McGuyverism out there. And I’ve been there trying to make chewing gum and a paperclip work 😂😂

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I was just talking about this exact thing the other day and thinking I should carry "a bolt".

Problem is I currently have a bunch of "bolts" rolling around in my center console.

many are spare for I don't know what. some do a job like pull axle out and the obvious one, spare wheel lug stud with double nuts.

your method is clean, elegant and clearly labeled. I'm sold.
 
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I was just talking about this exact thing the other day and thinking I should carry "a bolt".

Problem is I currently have a bunch of "bolts" rolling around in my center console.

many are spare for I don't know what some do a job like pull axle out and the obvious one, spare wheel lug stud with double nuts.

your method is clean, elegant and clearly labeled. I'm sold.
That and it’s better than a bolt. It’s machined to exactly mimic both the male and female profiles to guarantee a proper contact seating. A regular bolt easily runs the risk of not properly seating. Plus it’s a machine thread not a tapered thread so can’t hold pressure the same.
 
just reading up on these.
anyone got a pic of where they go on the vehicle?
also does anyone understand the angular offset to guarantee proper sealing issue? is this saying that application #1 is a 45d "female" fitting into a 42d male in the custom part? and in #2 there is a - well also a - 45d female in the custom part fitting into a 42d male in the fitting?

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just reading up on these.
anyone got a pic of where they go on the vehicle?
also does anyone understand the angular offset to guarantee proper sealing issue? is this saying that application #1 is a 45d "female" fitting into a 42d male in the custom part? and in #2 there is a - well also a - 45d female in the custom part fitting into a 42d male in the fitting?

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You are working too hard on this. They seal brake fittings in an emergency. The difference in pitch is to guarantee the fitting seals before the threads bottom out.
 
just reading up on these.
anyone got a pic of where they go on the vehicle?
also does anyone understand the angular offset to guarantee proper sealing issue? is this saying that application #1 is a 45d "female" fitting into a 42d male in the custom part? and in #2 there is a - well also a - 45d female in the custom part fitting into a 42d male in the fitting?

View attachment 2958809

View attachment 2958810
Please don’t overthink it. I did ALL of that for you I guarantee.
 
I have had these on my list to turn since I picked up my lathe last year. I'm so tired of weeping golf tees plugging my brake lines while I'm R&R 'ing my calipers. I can't wait to see what comes up next...
 
Please don’t overthink it. I did ALL of that for you I guarantee.
yeah i was just curious about how these "inverted flare fittings" are different than AN fittings. i ran into AN fittings for my motorcycle so i was curious how they were different.
also it would be great to see exactly where they go.
 
just reading up on these.
anyone got a pic of where they go on the vehicle?
also does anyone understand the angular offset to guarantee proper sealing issue? is this saying that application #1 is a 45d "female" fitting into a 42d male in the custom part? and in #2 there is a - well also a - 45d female in the custom part fitting into a 42d male in the fitting?

View attachment 2958809

View attachment 2958810

yeah i was just curious about how these "inverted flare fittings" are different than AN fittings. i ran into AN fittings for my motorcycle so i was curious how they were different.
also it would be great to see exactly where they go.
Are you this way on purpose?
 

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