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Brake line size

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Old May 20, 2017 | 10:01 AM
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Brake line size

My dad's 02 F350 brake pedal hit the floor the other day and when looking at it there's brake fluid on the fuel tank so I'm guessing it rotted under a clip. When looking on here I've seen guys talking about standard tread on one end and metric on the other. Any ideas? Also it's an ext cab 4 door long box any idea on how long of piece or pieces I need to get? Thanks in advance
 
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Old May 20, 2017 | 10:10 AM
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Easiest to do is remove the line and measure. If you have to go all the way back to the master cylinder, you might just want to go to the dealer and buy the pre-fabed line.
 
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Old May 20, 2017 | 11:15 AM
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I went to the Ford dealership in Cedar Rapids and they said they don't have a pre fab lines they say they bend them up themselves. I also live out in the country which is why I wanted to know which lines ( metric or standard or both ) ahead of time. But Thanks for the suggestion
 
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Old May 20, 2017 | 12:37 PM
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1/4" line from the front to the rear fitting, standard inverted flare fittings for 1/4" line. Just buy a 25' spool of ni-copp tubing ($34 on Amazon, $50-60 at a local parts store) and cut to fit. Use a double-flaring tool, about $25 at a local parts store and probably one of their "loaner" tools.

You probably could take out the old line and take it to your local parts store and piece together what you need from a couple of pre-cut lines. You'd simply have to piece it together with the needed couplers.

Ford doesn't sell a 'pre-fabed line". Back when you could buy the replacement part, you had to get the whole bundle of hoses that ran along the fuel rail at a cost of several hundred dollars.
 
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Old May 20, 2017 | 12:52 PM
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That line breaks all the time on our trucks. Finelines.commcan sell you a stainless one that runs from the ABS module to the axle. You will need to pull the door over side fender liner, but you can snake the line past the fuel tank. You may have to also deal with the rusted connection at the drop to the axle.
 
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Old May 20, 2017 | 02:20 PM
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Thanks for the input do you know what the line fitting is at the rubber hose at the diffO is is it 1/4 also or is it different? Thanks for the help.

You will need to pull the door over side fender liner, but you can snake the line past the fuel tank. Thanks for that input
 
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Old May 20, 2017 | 02:23 PM
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If you are also planning on replacing the lines at the rear axle and/or the rubber hoses, it gets more complicated. Explicitly state your intentions as your originally asked concerns have been answered.
 
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Old May 20, 2017 | 02:34 PM
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I'm hoping to only replace the hard line from front to back. I've been hitting the hard line where it meets the rubber with penetrating oil so hopefully it will come apart. Thanks
 
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Old May 20, 2017 | 04:50 PM
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The same fittings are used on both ends of the long line that runs down the frame rail.
 
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Old May 20, 2017 | 04:57 PM
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Thanks for all the help. I'll order the $35 kit later and start on it when it gets here. I know that I saw someone else posted metric and standard tread on another forum that's where I got that idea, just wanted to make sure before I was 3/4 done and then find out and be stuck. Thanks again and have a great weekend
 
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