leaky brakes
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old and in the way
Joined: Jul 1997
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From: Lovely Hueytown Alabama
leaky brakes
tried bleeding brakes today and went without too many problems... got a full pedal..
looked later and I'm seeing drips of brake fluid under the calipers... determined it coming from the banjo connection at the caliper.. Using SS flex hoses to banjo bolt... with copper washers on each side and screwed into caliper...
everything is 'tight'... like right before stripping tight... I suspected copper washers... changed those... drip...drip...
I'm using copper washers from a "storehouse" assortment box... wondering if I need to go to NAPA or better supplier and find something better (i.e. without a leak built in )
ideas ???
john
looked later and I'm seeing drips of brake fluid under the calipers... determined it coming from the banjo connection at the caliper.. Using SS flex hoses to banjo bolt... with copper washers on each side and screwed into caliper...
everything is 'tight'... like right before stripping tight... I suspected copper washers... changed those... drip...drip...
I'm using copper washers from a "storehouse" assortment box... wondering if I need to go to NAPA or better supplier and find something better (i.e. without a leak built in )
ideas ???
john
Believe Nothing
Joined: Jun 2004
Posts: 7,514
Likes: 398
From: W. Central FL.
A couple things come to mind. Do the washers have serrations or rings around the flat sealing surfaces? Are the washers soft copper? They should be easily nicked or bent. If they are not application specific, I would suspect them. Are you sure the bolts thru the banjo fittings are not bottoming out?
Senior User
Joined: Oct 2017
Posts: 237
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From: Hamburg, Germany
You might try to soften the copper washers with a torch until red hot. I do this with any suspicious copper washer if do not know for sure they are soft right out of the box. This procedure has serverd me well many times.
Cargo Master
Joined: Apr 2005
Posts: 3,337
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From: Harpswell Maine
Annealing the copper is a good tip!
Laughing Gas
Joined: Nov 2006
Posts: 1,125
Likes: 4
From: Olive Branch,Ms
Does sound like you are bottoming out with the bolts. Might try some thicker copper washers. John I may not comment very often but I have enjoyed watching and keeping an eye on your build.
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old and in the way
Joined: Jul 1997
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From: Lovely Hueytown Alabama
I"m gonna anneal mine tomorrow and check the depth in the caliper... then figure out what to do if it is bottoming out... they are the same bolts that were in the calipers, but you never know.... gonna be messy
j
j
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old and in the way
Joined: Jul 1997
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From: Lovely Hueytown Alabama
seems like the annealing worked... used new washers and heated them cherry red, let them cool and installed... no leaks so far.,,.,. now bleed them all again
thanks for the advice, Titus
thanks for the advice, Titus
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Joined: Aug 2003
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From: Foxworth, Ms.
Good news John. I had a persistent leak at the master cylinder (under the truck of course) during building. Funny thing was after I finished the truck and started driving it and exercising the pedal, my leak stopped completely. Have not added a drop of brake fluid since I finished the truck almost 6 years ago. As a side note, I got my confirmation card for CTC 2018 in the mail today. Entrant #572. Inspired me to get the '54 out for a 10 mile cruise and warm up to change the oil and get ready for Spring Car Shows. You going to have that gorgeous truck ready for Cruisin' the Coast? We'll definitely have to run the streets together. Looking good, Steve
Roast em' if you got 'em
Joined: Mar 2005
Posts: 21,984
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From: Rio Rancho, NM
John,
I'm glad that you got the leak(s) fixed. If you can every get in touch with Murphy tell him he owes you a quart of brake fluid.
A year or so ago I had the front clip to my truck off and did some major modifications to my steering. I'm running the Toyota power steering box. I didn't have any issues with the box before. I even had the box off of the truck to fabricate new brackets, etc. So, once I got it all back together, steering box bolted back in place, everything attached and front clip back on... you guessed it. I've developed a leak at the input shaft of the box. AAAGH! Curses on you Murphy!
Bobby
I'm glad that you got the leak(s) fixed. If you can every get in touch with Murphy tell him he owes you a quart of brake fluid.
A year or so ago I had the front clip to my truck off and did some major modifications to my steering. I'm running the Toyota power steering box. I didn't have any issues with the box before. I even had the box off of the truck to fabricate new brackets, etc. So, once I got it all back together, steering box bolted back in place, everything attached and front clip back on... you guessed it. I've developed a leak at the input shaft of the box. AAAGH! Curses on you Murphy!
Bobby
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old and in the way
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From: Lovely Hueytown Alabama
Good news John. I had a persistent leak at the master cylinder (under the truck of course) during building. Funny thing was after I finished the truck and started driving it and exercising the pedal, my leak stopped completely. Have not added a drop of brake fluid since I finished the truck almost 6 years ago. As a side note, I got my confirmation card for CTC 2018 in the mail today. Entrant #572. Inspired me to get the '54 out for a 10 mile cruise and warm up to change the oil and get ready for Spring Car Shows. You going to have that gorgeous truck ready for Cruisin' the Coast? We'll definitely have to run the streets together. Looking good, Steve
john
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