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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

brake lines

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Old Feb 11, 2004 | 10:52 AM
  #1  
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johnp123
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brake lines

Hi,

Can someone tell what the metal brake line diameter is and the thread size for the nuts on the brake lines.
Thanks.
 
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Old Feb 11, 2004 | 12:17 PM
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i beleive it like 5/16 and the nut size is 3/8's but on some of the new wheel cyl's they put 10mm(bleeder valve) on there fer some reason.....
 
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Old Feb 11, 2004 | 12:17 PM
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Generally speaking, 3/16 line with 7/16 fittings are found on Ford trucks except at the master cyl. where the fittings are a difference size.
 
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Old Feb 11, 2004 | 12:19 PM
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> 10mm(bleeder valve) on there fer some reason.....

Yes, on the cyl. "Made in Italy" from Autozone.
 
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Old Feb 11, 2004 | 12:21 PM
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i just redid alot of lines and brake parts...The 3/16-5/16 I cant remeber but I am pretty sure the nuts arent 7/16.....I think I might go check In a little bit....and I bought some from a local store (they are made in USA)
 
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Old Feb 12, 2004 | 03:53 PM
  #6  
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The nuts are 7/16. I measured a spare line I had left over from my brake job.
 
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