[DeTomaso] Techno question:Clutch&Slave II

[Gray Gregory]

Chuck,

I'm inclined to agree with Forrest. If you're able to get some gears and
not others that tells me you are getting clutch disengagement
(especially since reverse is one of those gears) so the problem is more
likely in the shift linkage. My guess is they failed to get the shift
rod back in the same place on the ZF it was prior to removal. 

Gray

-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com]
On Behalf Of SOBill at aol.com
Sent: Thursday, October 18, 2007 12:55 AM
To: cengles at cox.net
Cc: detomaso at realbig.com
Subject: Re: [DeTomaso] Techno question:Clutch&Slave II

Chuck,
 
Is the release arm in the right place?
 
Here's how to tell. Remove the lever return spring. Move the  release
arm 
until you fell the throwout bearing come to stop against  the pressure
plate 
release fingers. The release arm should be forward  of straight up so
that it will 
go thru straight up when the clutch is being  released. If the release
arm is 
not forward of straight up, mark the release arm  and the shaft with a 
position reference line, remove the arm from the  shaft, rotate the arm
one spline 
forward, and reinstall the arm. The  purpose of this positioning of the
release 
arm is to ensure that the slave  cylinder movement moves the release arm
thru 
the maximum distance when the  clutch pedal is pressed.
 
Next set the freeplay between the throwout bearing and the  clutch
release 
fingers and set the stop bolt.
 
Next adjust the rod into the slave cylinder.
 
Then rehook the spring.
 
Depending on which ZF you have, they require different clutch  friction
discs 
because they have different input shafts.
 
The -1 ZFs have a 1 1/8 inch diameter shaft with 10  splines.
 
The -2 ZFs have a 1 1/16 inch diameter shaft with 10  splines.
 
These shaft and spline differences are small, but could become
important 
when things are cold or hot.
 
In addition, the clutch friction discs should have the Marcel  springs
(those 
wavy things) between the friction pads and the center metal disc  of the

friction plate removed. This makes the clutch disc thinner and is what
DeTomaso 
did at the factory. Depending on what type of pressure plate you have,
you may 
be able to visually verify the status of the Marcels.
 
Have fun,
 
SOBill  Taylor
sobill at aol.com



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