Hi Paul,
As in so many examples of things written poorly..... Let's try
again.
You're right--the pedal moves the fluid, the fluid moves slave
cylinder, slave cylinder moves the lever, lever moves the throwout
bearing, TO bearing separates the friction surfaces unless they are stuck
together.
I was imagining that the slave cylinder was trying to move the
immoveable lever, which is not the situation, of course, if friction
surfaces are stuck together.
He may have two problems, if the clutch is indeed stuck, but I believe
the problem at hand is that the cup in the slave cylinder is being
displaced because it is not supported properly, or, possibly, is in
backwards.
By the way, I received a note from Stu Keen this morning. He told me
that three of five inner tubes, age five years or less, had started to
leak. Made in Taiwan, they appeared fine but had slow leaks. He replaced
all the tubes with English tubes (did not tell manufacturer).
Bob
On Fri, 20 Feb 2009 16:14:23 -0000 "Paul Hunt"
<paul.hunt1@blueyonder.co.uk> writes:
Unless I've misunderstood this is not correct.
Even when the friction plate has stuck to the flywheel or cover plate so
that it doesn't disengage when the clutch pedal is operated, the clutch
pedal itself operates normally i.e. it goes fully down and exhibits the
normal back-pressure, and the release arm moves back and fore normally.
Only if the clutch pedal and release arm operated normally, but the
clutch didn't disengage i.e. you couldn't select any gears (grinding in
reverse) would you contemplate freeing the friction plate. This is done
by either towing the car along in gear repeatedly pumping and releasing
the clutch pedal, or a bit more drastically by jacking the rear of the
car up, running the engine in gear, with the clutch pedal fully down,
i.e. rear wheels spinning, and dropping it off the jack, giving yourself
plenty of run-off!
But this is a situation completely different to that which Oliver has
described, which is fluid bursting out of the slave cylinder. That can
only be a problem with the slave cylinder, even though there have been
two!
PaulH.
----- Original Message -----
Clutches usually stick in the engaged position if the vehicle is not
driven for an extended period. Some owners push and hold the clutch pedal
down with a stick during winter storage.
When that happens, though, your foot pressure does not disengage the
clutch. The pedal doesn't go down.
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