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Discussion Starter #1
1999 xe 2wd 4cly
I'm having noise coming from the clutch pedal.
I lubed the pivot, and it goes away for a while, but comes back.
I'm thinking it might be the master making the noise.
I've always wanted to try replacing the master with one that had a larger bore.
A larger bore would push more fluid, reduce the pedal throw.
Instead of a 16mm to 16mm ratio, it will be 17.5mm to 16.0mm.
It's only 1.5mm larger, but I'm hoping it will make a difference.
I ordered one that I think might fit.
Probably have to swap the push rods, but everything else look almost the same.
I hope.
 

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Discussion Starter #2
So I got it from Rock Auto.
It was on close out sale.
Paid almost double for the shipping than the part.
But was under $30 total.
The closest I found, that looked like it would fit, is for a 2000 Maxima.
The push rod was shorter, so have to swap it with the old one.
It also didn't have the vibration damper.
Other than that, it was a bolt in replacement.
I didn't expect much because it was only 1.7mm larger.
To me, it did make a difference.
Felt like the peddle throw was shorter.
Engage/disengage also felt shorter.
So far I'm liking it.
 

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Master cylinder rods can be adjusted for your engagement/disengagement of the clutch.
 

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Discussion Starter #4
You can adjust the height, but not the throw.
The throw is noticeable shorter.
It just feels much better.
I'm still looking for on with a little bigger bore.
Maybe 20mm.
 

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Definitely not height, I use to do this on my 240sx when I went out drag racing on street tires. It helped move the engagement up higher to allow me to better feather the clutch on launch.
 

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Discussion Starter #6
Experiment was to try and make the peddle throw shorter.
It did that.
Also made the peddle a little softer.
 
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