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Preserve calipers while removing brake lines by jhsr390
Started on: 05-11-2014 03:06 PM
Replies: 8 (288 views)
Last post by: jb1 on 05-12-2014 08:37 PM
jhsr390
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Report this Post05-11-2014 03:06 PM Click Here to See the Profile for jhsr390Send a Private Message to jhsr390Edit/Delete MessageReply w/QuoteDirect Link to This Post
Hi Forum,

Going to be working on replacing brake lines on GT which is stored some distance from my current home. On first visit, I am planning to remove old lines while leaving calipers and possibly hoses (?) on the car (which is not in a garage). My goal is to disconnect these brake lines and close off brake components (calipers and master cylinder remaining on car) while those lines are off. At first, I thought to disconnect brake lines from hoses and cap the hoses somehow but I know those hoses are not going to disconnect easily from brake lines. Possibly, I could remove brake line and the hose from each caliper and use a bolt in place of the bolt securing the hose to the caliper. I am not sure of sizes and thread for bolts or something to cap off brake hose if I left attached to the brake caliper. Any response greatly appreciated.

jim
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jb1
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Report this Post05-11-2014 03:21 PM Click Here to See the Profile for jb1Click Here to Email jb1Send a Private Message to jb1Edit/Delete MessageReply w/QuoteDirect Link to This Post
Im sorry but I do not really understand the point or meaning of preserving. You are going to have to bleed the whole system anyways or are you going to have it apart for awhile and worried about moisture?

------------------


87GTseries 1 3800sc (7.597 @88.53 1.579 60ft)
(series II swap in progress)
85GT Northstar/ 4t80e
86GT 3800 n/a---sold
Northstar Rebuild

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jhsr390
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Report this Post05-11-2014 04:35 PM Click Here to See the Profile for jhsr390Send a Private Message to jhsr390Edit/Delete MessageReply w/QuoteDirect Link to This Post
I am located 400 miles from the car. I have one day to start this work. If it was a perfect world, everthing would easily come apart and I would have access to all parts needed. I am anticipating some hang ups (stubborn connections at hoses, etc). I expect that I may have brake system with brake lines off for an undesirable length of time due to the distance of my locaation and the car. I am trying to minimize the introduction of moisture to the remaining components (calipers, hoses) over this length of time.

Jim
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rogergarrison
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Report this Post05-11-2014 04:40 PM Click Here to See the Profile for rogergarrisonClick Here to Email rogergarrisonSend a Private Message to rogergarrisonEdit/Delete MessageReply w/QuoteDirect Link to This Post
Just get some bolts or plugs with the same threads and install them in the open ends as you go. When I did the brake lines on my SL, i cut off the old lines a few inches from the fittings, folded them over and mashed them flat. Didnt matter since I was putting on all new lines with ends.
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Report this Post05-12-2014 09:20 AM Click Here to See the Profile for 2.5Send a Private Message to 2.5Edit/Delete MessageReply w/QuoteDirect Link to This Post
Could bring some replacement line with fittings and a flaring tool with you in case you ahve to reoplace an end. Another good thing would be to soak the nuts in PB blaster or another good penetrant for a day or twpo prior to trying to loosen nuts, but that may not be possible in your time frame.

I have tried long distance projects with limited time frames before, they can be tough.
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DLCLK87GT
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Report this Post05-12-2014 11:02 AM Click Here to See the Profile for DLCLK87GTSend a Private Message to DLCLK87GTEdit/Delete MessageReply w/QuoteDirect Link to This Post
I would just cut the ruber hoses at the calipers and screw in a bolt. If you're replacing the metal lines ( i assume they are original and rusty) then you should be replacing the rubber hoses too. Original rubber lines are not to be trusted and can cause a fire if they fail and if you're going through all that trouble might as well go all the way. Plus, they aren't that expensive.

[This message has been edited by DLCLK87GT (edited 05-12-2014).]

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Report this Post05-12-2014 02:04 PM Click Here to See the Profile for 2.5Send a Private Message to 2.5Edit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by DLCLK87GT:

I would just cut the ruber hoses at the calipers and screw in a bolt. If you're replacing the metal lines ( i assume they are original and rusty) then you should be replacing the rubber hoses too. Original rubber lines are not to be trusted and can cause a fire if they fail and if you're going through all that trouble might as well go all the way. Plus, they aren't that expensive.



Sounds like a good idea.
I may ave misinderstood the intent.
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dobey
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Report this Post05-12-2014 03:38 PM Click Here to See the Profile for dobeySend a Private Message to dobeyEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by rogergarrison:
When I did the brake lines on my SL, i cut off the old lines a few inches from the fittings, folded them over and mashed them flat. Didnt matter since I was putting on all new lines with ends.


This is how every used master cylinder or proportioning valve I have bought off eBay has come. The hard lines were just cut off and crimped. No reason you can't do the same and leave it on the car while you work on getting new lines installed.
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jb1
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Report this Post05-12-2014 08:37 PM Click Here to See the Profile for jb1Click Here to Email jb1Send a Private Message to jb1Edit/Delete MessageReply w/QuoteDirect Link to This Post
I personally do not see a big issue with capping it all off being you will need to push all new fluid through all of the lines anyways. But I have been wrong before.

------------------


87GTseries 1 3800sc (7.597 @88.53 1.579 60ft)
(series II swap in progress)
85GT Northstar/ 4t80e
86GT 3800 n/a---sold
Northstar Rebuild

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