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Master Cylinder Nightmare


icetheo48

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Took out old Master Cylinder, bought new one, and had a local machine shop put new bushings in the brake and clutch pedals while I had them out. I am now trying to re-install the new master cylinder. Problem is that when I put one pedal on the master cylinder, the other pedal won't go on and visa versa. I've spent about 4 hours now trying to figure out how to put the pedals on. Is there some kind of trick to this? I am a patient man but this has just about brought me to tears. I've invented curse words that'll make a sailor blush. :eek:

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Now that we know what vehicle you are working on I still do not fully understand your question. The shaft that supports the pedals is 3/4" in diameter. The internal bushing measurement should be about .001" less than the shaft size. What I do not understand is your statment that "when I put one pedal on the master cylinder, the other pedal won't go on and visa versa"? Per your explanition the shaft size or the bushing size changes when you install one pedal? Can you explain exactly what you are saying?

Is your master cylinder mounted in your car or on your bench? Is the shaft that supports the pedals centered correctly in your master cylinder?

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Edited by Don Coatney
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I guess I'm so frustrated that I can't explain it clearly. Sorry. Ok, the pedals will go on the shaft but I am trying to put the master cylinder in its place to bolt in, but the pedals will not fit between the floor and the crossmember for the transmisson. I am doing this from underneath the car. From your pictures it looks like you took out your floorboard. Is this what I should be doing, putting it in from the top-side?

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I am not laughing at you I am laughing at myself because I did the same darn thing. I didnt want to disturb my "vintage" carpet so I tried from the bottom. Dont do that. Go ahead and pull the tranny cover and that sucker will literally fall into place. One word of advice though. When you reinstall the tranny cover, make sure it is aligned properly other wise the clutch petal will rub on the cover making this really loud and really annoying screeching sound every time you push in the clutch. That is personal experience talking. :D

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