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cid424
PostPosted: Mon Apr 05, 2010 8:43 am 
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Joined: Sat Jan 02, 2010 8:53 am
Posts: 20
Location: Pompton Lakes, NJ
For the last couple of days, I've noticed a different clutch pedal pressure, when I hold down the clutch for any length of time. From a normal pedal to a stiff pressure. Not sure why this is happening. Have not noticed a leak.
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Frank T
 Post subject:
PostPosted: Mon Apr 05, 2010 9:55 am 
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Joined: Wed Apr 09, 2008 5:53 pm
Posts: 14781
Location: CT
And you've checked your fluid reservoir level?

Year Z?
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Datsun Z Garage
 Post subject: re:
PostPosted: Tue Apr 06, 2010 11:40 am 
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Joined: Fri May 23, 2008 9:34 pm
Posts: 362
Location: Hamden, CT
Just a guess... but the clutch slave cylinder on the side of the transmission could be binding in the bore. The dust cover boot tends to rot and let water in which rusts things. Replacements are pretty cheap.

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Bryan Little
Datsunzgarage.com

1970 240Z - enhanced F54 L28 w/P90, Weber DCOEs, 4:11 R200, Nissan T5 5-speed
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PhrogZ46
 Post subject:
PostPosted: Tue Apr 06, 2010 2:42 pm 
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Joined: Thu May 28, 2009 3:44 pm
Posts: 901
Location: Massive Sangwich
You have bubbles and/or contaminated fluid in your clutch system. Bleed your system. Also check your master and slave cylinders like the other guys said, they might be on their way out.

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Frank T
 Post subject:
PostPosted: Tue Apr 06, 2010 2:42 pm 
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Joined: Wed Apr 09, 2008 5:53 pm
Posts: 14781
Location: CT
What color is the fluid in your clutch master cylinder reservoir?

It should be clear/translucent. If it is black and murky, the rubber piston cup is probably deteriorated and not giving a good seal. Also, that gunk can get into the line and give you the sensation of pressure changes.
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Frank T
 Post subject:
PostPosted: Tue Apr 06, 2010 2:43 pm 
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Joined: Wed Apr 09, 2008 5:53 pm
Posts: 14781
Location: CT
HA! Sorry Phrog, we stepped on each other again!
:)
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cid424
 Post subject:
PostPosted: Wed Apr 07, 2010 11:57 am 
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Joined: Sat Jan 02, 2010 8:53 am
Posts: 20
Location: Pompton Lakes, NJ
Thank you guys will do as soon as she comes back from the shop. She is getting a new plastic window and wielding the center right rail. Should be done by Friday.
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Paul
 Post subject:
PostPosted: Thu Apr 08, 2010 10:00 am 
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Joined: Wed Jul 23, 2008 2:38 pm
Posts: 3411
Location: rhode island
The slave can look dry as a bone until you pull the boot back and fluid can litterly pour out. $15 and 1/2 hour to install.
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