[DeTomaso] Techno question: New clutch & slave adjustment

[David & Marilyn Bell]

Chuck,

If by 'the plunger rod thingie', you are referring to the threaded rod that
connects the slave piston to the clutch lever arm, then that adjustment only
moves the slave piston back and forth in its bore.  Lengthening the rod will
push the piston further into the bore away from the lever arm on the
bellhousing - but this only will improve the free play at the disk if the
slave piston was previously bottoming out before it's stroke was completed.
The clutch mechanical linkage is adjustable via a threaded rod at the pedal
or as someone else mentioned by moving the bellhousing lever to a different
position on the splined shaft.  Does your pedal feel like it's engaging at
the top of its motion or does it move several inches before you feel
resistance?

Could it be that now that you have a new pressure plate, the stiffer springs
have overpowered your previously marginal slave or master cylinder seals
(old, maybe?) and one or the other is now circulating fluid internally?


Muscat Dave

-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com]On
Behalf Of Charles Engles
Sent: Tuesday, October 16, 2007 10:21 PM
To: detomaso at realbig.com
Subject: [DeTomaso] Techno question: New clutch & slave adjustment

Dear Forum,


             I just had a new clutch and pressure plate installed in my
Pantera and now I have shifting problems.

             The parts are all from PPC in Colorado.  The mechanic knows
Panteras and has done this job on this car before.   I picked the car up
this morning and noted that I seemed to have all gears very shortly after
starting the engine and going only a short distance down the street.  By the
time I had hit the superslab, I couldn't get fourth or fifth gears. Idrove
it home in third.    I left it at home and went on to the office.

             This evening, I couldn't even get it into any gear.   There was
fluid in the clutch master cylinder.  The free play (?) on the slave seemed
too great, over a half and inch and I adjusted it to 1/16 to 1/8 by
lengthening the plunger rod thingee.    Then I could shift it into gear.  A
very short test drive showed that I had all the gears,  however with a
longer test drive, fourth and fifth went away again.  The slave cylinder
area is dry without suspicious fluid.

              Is this still just an adjustment problem with the slave
cylinder and a brand new clutch?   Should I continue tweaking it to obtain
full function or is that the wrong approach?


                           Road trip on Friday!, Chuck Engles

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