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Hello guys! In the process of removing my rear for a 9”! I went to take this brake lines off and the bottom one is seized and now rounded off! Yes I used the correct wrenches and pb blaster, it will not budge! Any input?
No need to run a new line all the way to the front. Cut it somewhere where you would have access room to use a flaring/bubble tool(as in above pic) and use a union.
When we(at Tuffy) encounter a 'rounded' tube nut,we cut the line(with good wire cutters) at the tube nut and either force a 6pt socket on it or use an 'extracter' socket. Then use a union to replace only a section of line.
Brake line is 3/16". Metric thread is 10mmx1.0 thread size and is used for bubble flare and double flare. US/SAE thread is 3/8-24 and is used for bubble flare and double flare.
Unions are available for all four situations.
Metric 10mmx1.0 and US/SAE 3/8-24 are visually similar but not interchangeable. I always have a 10mmx1.0 bolt & nut and a 3/8-24 bolt & nut handy to identify which I'm working with.
Do you guys think this will be okay!? I ran a piece of new brake line using a union but I made the line a little short! Bottom line was supppse to be on the bracket below the other line!
NO,the up & down movement of the rear end in normal suspension travel will break the line still in the bracket at its' fitting in the bracket. It's not a lot of movement,but eventually it'll break. Just like taking a piece of metal and bending it back and forth until it breaks. If you're gonna drive it for a while,put a couple of the tie-wraps from that line to the hole in the bracket to limit its' downward movement.
For the first time,nice. Glad I don't have pics from my first time ! Even though that'll work perfectly,could be larger as in post #5,but if it seals,go with it as it won't pull out.
^^^ ??? Our cars(my 98Z) came with steel brake line with bubble flare.
The OEM line from Master to ABS block is steel with bubble flare w/M10x1.0 fitting at the ABS block.
The SLP line-lok kit came with steel lines with bubble flares.
^^^ ??? Our cars(my 98Z) came with steel brake line with bubble flare.
The OEM line from Master to ABS block is steel with bubble flare w/M10x1.0 fitting at the ABS block.
The SLP line-lok kit came with steel lines with bubble flares.
He may be talking about using bubble flare with a union! Idk
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Stripped/seized brake fitting 
