[Healeys] Noise on engaging clutch

[simon.lachlan at alexarevel.plus.com]

Hi,
I need advice regarding a new issue pertaining to my clutch/gearbox. At
least that is my understanding. By "clutch/gearbox", I include master and
slave cylinders..
Car is UK RHD A-H3000 MkII BT7.
Has marginally lightened flywheel.
Centre shift.
Clutch plate is about 18 months old. Not gone long distance nor been
thrashed around.
Noise is not related to engine speed.
I did some tests in my backyard..

I made a few notes:-
Reverse out into backyard...no problems.
Back and forward in first and reverse about 5 times then the noise starts in
both gears.
It is a harsh rubbing/grating noise, accompanied by a vibration which I can
feel in clutch foot. I get impression that it's down low on rhs.
Can feel vibration in my clutch foot when the noise is happening.
Noise happens as I lift clutch foot to engage reverse or first. (Didn't try
2nd)
Noise stops once I lift foot all the way and engage gear whereupon car
drives normally ie noise only happens when in process of engaging gear.
There is no noise or vibration when car is in neutral.
Noise does not occur every time. Most times.

Now, my belief is that this may be something to do with the carbon "release
bearing". Maybe not wear because it's pretty new but maybe because it's not
engaging fully or it's not aligned right. I'm thinking about slave cylinder
or master cylinder issues but they're pretty new as well. Can't speak for
the flexible hose going to slave as I've had so much, basically overdrive,
issues in that area that I can't recall the minor parts.
I absolutely dread having to take the gearbox out AGAIN and am hopeful that
it won't be necessary.
Any ideas??
Yours hopefully, Simon


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