[Roadsters] Clutch slave cylinder problem (I believe?) ..

[Linda J]

Also check the bolts that hold the slave culinder on to the tranny, they can
get loose and cause a problem.

Linda

Sent from my iPod

On Jul 1, 2012, at 5:19 PM, "Gary and Cindy Ault" <aultgc at att.net> wrote:

> Mike,
>
> You're spot on.
>
> There should be two nuts on the clutch operating rod:  the closest to the
clutch withdrawal lever is rounded to nestle into the depression the in the
lever, and the second, closer to the slave cylinder, is a lock nut.  The
rounded-end nut has two flats on it so you can hold it while loosening the
lock nut and vice-versa.
>
> There should be return spring.  Ond end hooks into the withdrawal lever,
andthe other hooks into a projection which is part of the slave cylinder
casting.
>
> Do you have the exploded diagram from the Nissan Parts Manual?  If not, I
can scan and send separately.
>
> Gary
>
> ----- Original Message ----- From: "Michael Breen" <anpost at gmail.com>
> To: <datsun-roadsters at autox.team.net>
> Sent: Sunday, July 01, 2012 6:29 PM
> Subject: [Roadsters] Clutch slave cylinder problem (I believe?) ..
>
>
>> Hello,
>>
>> My question is about the connection of the clutch slave (operating)
cylinder
>> push rod to the clutch withdrawal lever.
>>
>> Recently, I started noticing a gradual worsening of my clutch pedal
>> effectiveness in allowing me to switch gears smoothly. It became necessary
to
>> repeatedly depress the clutch pedal in order to allow for a relatively
smooth
>> gear shift. This was all gears. Today, the clutch goes to the floor with
no
>> resistance and I am unable to shift into any gear (I can hear the grind if
I
>> attempt to shift). Also, if I attempt to start the car with the clutch
>> depressed, while in a gear (I can put the car in gear when the clutch is
not
>> spinning), the car will lurch forward as if I did not have the clutch
>> depressed. So all this tells me that the clutch is working, but the
hydraulics
>> in the master or slave is not functioning.
>>
>> My theory on what has happened here brings me back to my specific question
>> about how the slave push rod interacts with the clutch withdrawal lever.
Is
>> there supposed to be a nut screwed on the push rod that allows the push rod
to
>> move the clutch withdrawal lever? My slave push rod is positioned through
the
>> lever, but there is nothing forcing the lever either forward or backward,
so I
>> am hoping a nut worked its way of the push rod over time and that is why
this
>> problem became gradually worse and then finally, when the nut fell off
>> completely, it stopped working all together.
>>
>> Diagrams I have reviewed seem to indicate that their is a withdrawal lever
>> "Push Nut" that appears to be connected to the slave push rod to allow the
>> lever to be pushed in a forward motion. I do not have this on my slave
>> cylinder, so I am hoping this somehow fell off, although I don't see how
that
>> could happen if it is enclosed on one side by the slave and on the other
by
>> the withdrawal lever.
>>
>> Does this theory hold any water?
>>
>> Also, I see there should be a return spring involved here, but I cannot
see
>> how it attaches , as my slave cylinder does not have a connecting point
for
>> the spring, as I have seen in diagrams of Roadster slave cylinders.
>>
>> I have a 68 SRL311.
>>
>> Your advice/help is greatly appreciated.
>>
>> Thanks,
>>
>> Mike
>>
>> Michael Breen
>> anpost at gmail.com
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>>
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