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Re: clutch bleed wierdness

To: Bob Howard <mgbob@juno.com>
Subject: Re: clutch bleed wierdness
From: Tim Holt <holtt@nacse.org>
Date: Thu, 12 Aug 2004 07:08:56 -0700
Was driving in town and noted the clutch seemed a little soft.  Came to 
a stop sign, and then went to shift up to 2nd on moving, and the clutch 
was just dead - flat and no pressure.  I replaced the master sort of on 
uh - "it' must be it" reaction (given I'd replaced the slave 6 months 
before). 

So last night I climbed back under and manually moved the clutch arm 
(with slave removed).  It moves about 1" towards the front (towards the 
SS).  If I push it back (like where the SS would push it), it also moves 
about an inch.  It also makes a click sound and has a certain amount of 
rattle/play to it.  This is obviously not a very comfortable thing to 
hear and makes me think something's fubar in the clutch itself...


Bob Howard wrote:

>Hi Tim,
>   New cylinder should be OK.  New hose should be OK also. 
>   That little spring inside the cylinder is not what pushes the slave
>cylinder's piston back into position.  It's the force of the clutch
>springs that drive the slave back, pushing the fluid back to the MC at
>the same time.  
>    You said that you could move  the clutch arm fine when the slave
>cylinder is not attached.  How much movement do you get?  There should be
>a little free motion after which the next 1/2 -5/8 inch of motion is very
>difficult, as that is when the clutch is being separated and you feel the
>resistance of all the clutch springs at work.  
>    I forget---what was it that lead you to start this work on the
>clutch?   As you can see, I'm leading into possible failure of the clutch
>assy itself....
>Bob
>
>  
>
>>The piston moves fine manually when the SS is off the car -  I can 
>>slide  it in and out.  I noticed that the spring inside does NOT make
>>    
>>
>it 
>  
>
>>come back out all the time.  I don't know quite what the spring is 
>>supposed  to do as it seems pretty weak compared to the friction the
>>    
>>
>rubber 
>  
>
>>ring on the piston has.
>>
>>I can also move the clutch arm that the SS pushes on fine (when the 
>>SS is not attached).

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