[Healeys] Noise on engaging clutch

[Bob Spidell]

I recall there was a bad batch of the graphite release 'bearings.' If 
one was badly chipped it may cause such symptoms.


On 8/4/2026 9:29 AM, Hank Leach via Healeys wrote:
> I'm assuming that this is the standard B&B spring clutch and not the 
> later diaphragm clutch found in the BJ7-8.
> When you did the install 18 mo. ago did you by any chance hang up on 
> the PP upon offering up the unit to the pilot beating. In other words, 
> did  you have difficulty moving the trans exactly centered forward and 
> home without any resistance? Hitting something?
> The center yoke of the pressure plate is suspended and if you hit one 
> of the hangers it can later manifest into a misalignment and noise at 
> the TO bearing. Feeling it in the pedal is a clue. If it was a later 
> diaphragm clutch and has a broken finger you definitely get pedal 
> vibration.
> One other "test"... upon driving; is the noise (vibration) better or 
> worse when in OD or direct?
> Probably should not drive it much until issue is found but I'm afraid 
> to say it may involve R & R of the unit.Hank
>
> --------------------
>
> From: "Alan Seigrist" <healey.nut at gmail.com>
> To: <simon.lachlan at alexarevel.plus.com>
> Cc: <healeys at autox.team.net>
> Sent: August 4, 2026 at 7:24 AM PDT
> Subject: Re: [Healeys] Noise on engaging clutch
> Simon -
> Your email is a little confusing - a couple quick questions:
>
> 1) Does the clutch make the noise while your foot is on the clutch?  
> While your foot is on the clutch does it do it if the car is in gear?, 
> or notin gear, or both?
> 2) are there some pinging or slapping noises one you have full let the 
> clutch out, or does it only make noise when your are shifting?
> Alan
> On Tue, Aug 4, 2026 at 8:18 AM Simon Lachlan via Healeys 
> <healeys at autox.team.net> wrote:
>
>     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 2^nd )
>
>     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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