[DeTomaso] Techno question:Clutch&Slave II

[Forest Goodhart]

Chuck,
If reverse and gears 1-3 are working then I would look at the shift linkage 
adjustment instead of the clutch. A dragging clutch will be worse in reverse 
than any other gear.
Forest
----- Original Message ----- 
From: "Charles Engles" <cengles at cox.net>
To: <SOBill at aol.com>
Cc: <detomaso at realbig.com>
Sent: Wednesday, October 17, 2007 7:30 PM
Subject: [DeTomaso] Techno question:Clutch&Slave II


> Dear Forum,
>
>
>                My thanks to all who replied.
>
>                Tonight's chapter:   1) the space between the flywheel and 
> the clutch disc seems to be about .022--.024" no matter whether the slave 
> cylinder shaft length is short, medium or long.
>
>                                             2)  I flushed the clutch 
> hydraulic line.   No particular difference in pedal feel nor clutch (mal) 
> function.
>
>                                             3) when the clutch is cold, 
> i.e. in the first 1-2 miles, all the gears are shiftable.    After a 2 
> mile street drive to the freeway and a 2-3 mile cruise,  I am unable to 
> shift into fourth or fifth----only reverse and gears 1-2-3.
>
>
>                     I really appreciated SOB's technique, but I am just 
> too ignorant to pull it off.  I tried and couldn't get it to have 
> everything fall together.
>
>                     If the airgap between the flywheel and clutch disc is 
> truly . 022", then does that mean that I need to move the lever arm on the 
> bellhousing to get more airgap?   If yes, then do I move the splined lever 
> arm forward or backward from it current setting?
>
>
>
>                              Two roadtrips this weekend!,  Chuck Engles
>
>
>
>
>  ----- Original Message ----- 
>  From: SOBill at aol.com
>  To: cengles at cox.net
>  Cc: detomaso at realbig.com
>  Sent: Wednesday, October 17, 2007 6:56 PM
>  Subject: Cluctch Adjust - How To
>
>
>
>  Chuck,
>
>  FWIW, here is how I do it:
>
>  Put the ebrake on or chock the wheels.
>
>  Put the car in neutral.
>
>  Start the engine.
>
>  The reason we are running the engine is so we can readily feel the 
> release bearing touch the pressure plate release fingers.
>
>  Disconnect the return spring at the slave cylinder. Be careful, that 
> sucker can bite your fingers. Use Vise Grips.
>
>  Move the clutch release lever by hand until you feel the throwout bearing 
> touch the pressure plate release fingers. On later cars, the release lever 
> should move freely. On early cars, there is a spring inside the bell 
> housing which acts to retract the throw out bearing and this spring makes 
> it more difficult to move the lever (Vise Grips can assist here, also). 
> The point where the throwout bearing touches the pressure plate release 
> fingers will be quite distinct. Note the gap between the release lever 
> return stop bolt and the return stop plate.
>
>  Adjust the release lever return stop bolt to remove as much of the gap as 
> you like. This can be done with the engine running so that the above step 
> can be repeated. What ever gap you do not remove, will be the approximate 
> distance between the face of the throwout bearing and the pressure plate 
> release fingers. There must be some gap or your throwout bearing will spin 
> at crankshaft speed all the time and die an early death. Remember that 
> things expand as they get hot.
>
>  This method works with whatever clutch/pressure plate/throwout bearing is 
> actually installed on your car.
>
>  Adjusting the slave cylinder shaft length controls the position of the 
> piston inside the slave cylinder.  The shaft should be adjusted so the 
> piston is well up inside the cylinder. If the retracted (i.e. up) position 
> of the piston is such that it does not bottom out when the clutch pedal is 
> fully depressed (i.e the full slave cylinder travel is being utilized), 
> this adjustment will have no effect on the freeplay or the slave cylinder 
> release stroke travel.
>
>
>  Piece of cake. Twenty minutes max.
>
>
>
>  If the freeplay and the full travel cannot be set by the above method, 
> the clutch actuating arm on the bell housing may need to moved to 
> different spline and the procedure repeated.
>
>
>  Have fun.
>
>  SOBill Taylor
>  sobill at aol.com
>
>
>
>
>
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