Master cylinder brake line fitting
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Junior User
Joined: Jun 2011
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Master cylinder brake line fitting
I installed all new brake parts on my 66. Master cylinder, lines, wheel cylinders, shoes, etc. One problem - the fitting connecting the brake line to master cylinder doesn't seem to go into the threaded hole far enough to pressure the flared end against the master cylinder body.
In the first picture, I am showing how far into the hole the brake line goes before bottoming out. It's about an inch.
The second picture shows the new brake line with the boogered up fitting that isn't long enough. The threads are about 3/4 inch. (I kept trying to tighten it to get the leaking to stop - eventually just stripped it.) My local auto parts store doesn't have a fitting any longer than that.
On all of the other places the brake lines connect, the depth of the holes is less than half an inch. The fittings screw in and tighten the flare against the bottom and there are still threads showing.
I don't have the original fitting - cut it out and threw it away ...
Any thoughts? Advice?
In the first picture, I am showing how far into the hole the brake line goes before bottoming out. It's about an inch.
The second picture shows the new brake line with the boogered up fitting that isn't long enough. The threads are about 3/4 inch. (I kept trying to tighten it to get the leaking to stop - eventually just stripped it.) My local auto parts store doesn't have a fitting any longer than that.
On all of the other places the brake lines connect, the depth of the holes is less than half an inch. The fittings screw in and tighten the flare against the bottom and there are still threads showing.
I don't have the original fitting - cut it out and threw it away ...
Any thoughts? Advice?
Logistics Pro
Joined: Mar 2012
Posts: 4,390
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From: placer county usa?
I don't remember how long it was but I think that they are pipe threads so they taper and mine was old style double flare you should be able to get parts at napa take the old unit in with you
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Joined: Jun 2011
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Jet, thanks for the reply. When I went back to my local parts store - the one that said they didn't have anything that would fit - I told them I needed an "NTP to flare fitting". They brought one right out! I guess it was all in the wording.
The brakes are working great now.
The brakes are working great now.
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