 No Brakes - how hard to replace master cylinder plus lines?, looking for some guidance before I dig into my manuals... |
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| potomacmidget |
 Dec 26 2024, 11:41 AM
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I gotta have more cowbell....  Group: Members Posts: 164 Joined: 27-March 11 From: Maryland Member No.: 12,860 Region Association: North East States 
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Merry Christmas everyone,
So, my brakes have been really soft, and I figured they were due a bleeding so I bought a pressure bleeder (watched Ian Karr video) and put my car on jackstands and removed all the wheels. Topped off the reservoir with fluid, then when I inspected the master cylinder and observed it was visibly "wet" with what I could only suspect was fresh fluid. First thought was "ok, not good, that must be my pedal problem" then I reached in there with an open end wrench to see if I could snug the connection, and the tubing (vertical) was not even connected to the MC, it just swung away when I touched it, then all the fluid poured out. I guess the threaded part of the tubing rotted away in the MC? Regardless - looks like I need a new MC, and will have to inspect/replace sketchy lines, etc., and all that comes with that project. Prior to diving into my collection of service manuals, any guidance on the challenges of this job? Do's and Dont's? It looks a bit nightmarish to access the MC, and since my simple job turned a lot harder, I will wait until my garage is warmer than 30F. All advice appreciated... thanks, Reg |
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| technicalninja |
Jan 2 2025, 09:33 PM
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Advanced Member Group: Members Posts: 2,531 Joined: 31-January 23 From: Granbury Texas Member No.: 27,135 Region Association: Southwest Region
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Midget to 914...
Awesome trade! (IMG:style_emoticons/default/first.gif) You are one of a few! Most folks find the 914 tiny! You KNOW what small means... My very first project car (only drove it once) was a 1964 Austin Healy Sprite. All the bad stuff that a "Bug Eye" had but not the eyes! Glad I never went back... 914Mac 914midget Poto914 Welcome to the World! We're slightly "on the spectrum" but that's common for car guys anyway! (IMG:style_emoticons/default/welcome.png) |
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| Jamie |
Jan 4 2025, 09:36 AM
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Senior Member Group: Members Posts: 1,125 Joined: 13-October 04 From: Georgetown,KY Member No.: 2,939 Region Association: South East States
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QUOTE(technicalninja @ Jan 2 2025, 07:33 PM)  Midget to 914... Awesome trade! (IMG:style_emoticons/default/first.gif) You are one of a few! Most folks find the 914 tiny! You KNOW what small means... My very first project car (only drove it once) was a 1964 Austin Healy Sprite. All the bad stuff that a "Bug Eye" had but not the eyes! Glad I never went back... 914Mac 914midget Poto914 Welcome to the World! We're slightly "on the spectrum" but that's common for car guys anyway! My dear old "Bugeye" and you demean it! Was my only car for first 15 yrs. of driving starting in 1960, and I would love to have it back now. But when the passenger door mounts rusted out and door about fell off I knew the end was now, not near. Rebuilt the 948cc engine in my dorm room in about a week, and was a most reliable travel companion since I kept it going for so long. (IMG:style_emoticons/default/aktion035.gif) (IMG:style_emoticons/default/welcome.png) |
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Posts in this topic
potomacmidget No Brakes - how hard to replace master cylinder plus lines? Dec 26 2024, 11:41 AM
mepstein It’s a pita but easily done by someone without m... Dec 26 2024, 01:23 PM r_towle If you have decided to replace all the hard lines,... Dec 26 2024, 02:07 PM emerygt350 If you are going in, you might as well replace MC ... Dec 26 2024, 03:33 PM mepstein I had an MC give out on me just as I pulled into m... Dec 26 2024, 03:59 PM Craigers17 If you’re going to replace the MC, just be aware... Dec 26 2024, 04:26 PM
DC_neun_vierzehn
If you’re going to replace the MC, just be awar... Dec 27 2024, 11:48 AM technicalninja It sounds like the feed tubes came out of the mast... Dec 26 2024, 06:50 PM potomacmidget Dear All -
I really appreciate all of the respon... Dec 27 2024, 11:14 AM rhodyguy While shopping at PMB, get 4 speed bleeders. Sourc... Dec 27 2024, 12:27 PM fiacra Since you plan to do all of the lines, including t... Dec 27 2024, 06:19 PM technicalninja :agree: Well done Fiacra.
That tapping trick work... Dec 27 2024, 07:39 PM VaccaRabite I just did this on my car. After 15ish years of s... Dec 29 2024, 10:01 AM potomacmidget Hi Zach, technicalninja, Fiacra, Rhodyguy, ,DC neu... Jan 2 2025, 08:18 PM thomasotten If you do replace with stainless steel, be sure to... Jan 4 2025, 04:54 AM bkrantz
If you do replace with stainless steel, be sure t... Jan 4 2025, 09:52 PM Craigers17 Here's a link to my virgin experience in this ... Jan 4 2025, 06:02 AM gereed75 Great advice for the OP. I have used several prem... Jan 4 2025, 10:00 AM Superhawk996
I am about to install a -3AN kit on my driver qu... Jan 4 2025, 11:07 AM mepstein I’m no brake expert (for sure) but we like to st... Jan 4 2025, 11:09 AM technicalninja
Great advice for the OP. I have used several pre... Jan 4 2025, 11:52 AM gereed75 Hawk, I get your perspective but I don’t see an... Jan 4 2025, 12:44 PM Superhawk996
Hawk, I get your perspective but I don’t see a... Jan 4 2025, 02:40 PM gereed75 These lines are kitted with factory made fittins ... Jan 4 2025, 10:17 PM Superhawk996
These lines are kitted with factory made fittings... Jan 5 2025, 12:20 AM iankarr I made a few videos on installing a new MC and ble... Jan 4 2025, 05:56 PM technicalninja
I just did this on my car. After 15ish years of ... Jan 4 2025, 10:06 PM gereed75 Thanks Hawk. All important considerations.and I ap... Jan 5 2025, 09:19 AM |
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