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Re: KOYO/Sachs clutch kit

To: 6-Pack <6pack@autox.team.net>
Subject: Re: KOYO/Sachs clutch kit
From: Don Malling <dmallin@attglobal.net>
Date: Wed, 18 Dec 2002 23:45:49 -0500
This clutch stuff sounds scary. I have 60K miles on my TR250, and my
clutch is fine. Never had a problem from day/mile 0. Now that I'm taking
the engine out to paint the car, and make performance improvements on
the engine, I wonder if I should replace the clutch or just leave well
enough alone. 

Seems like the luck of the draw or something. Some guys have horrible
problems and can't solve them, and others are fine. 

Why do I hear "Twilight Zone" music in the background?

Don  

RPVanLuchene@lbl.gov wrote:
> 
> Hi Dick,
> When my mechanic took out the last KOYO (My symptoms were sticky clutch
> and squealing), he said it was the bearing that failed. He got it from
> BP NW. All he did was put in a new bearing. Pressure plate (Sachs) and
> sleeve and related components were all satisfactory. Worked beautifully
> for a few hundred miles then the pedal action became less smooth. Then
> my trans came out to be rebuilt, when I got the car back it worked
> beautifully once again (very smooth, very heavy) for a while. Now it is
> a little sticky when warmed up and the bearing is whirring again after
> only 500 miles.
> 
>  So if the squealing is just from the bearing trying to get up to
> speed, shouldn't the squealing stop if you keep the pedal pushed in for
> a bit, as the bearing speeds up? Or maybe it never does get up to
> speed? I seem to recall the squeal not going away until I let out on
> the pedal. I'll have to recheck that one tonight before the storms come.
> 
> I'll be going to my mechanic's shop probably in a couple weeks, and I'm
> going to bring him a copy of Nelson's "Reliable Clutch" and see what he
> thinks about the Gunst bearing kit and the bearing sleeve/front cover
> issue. Since my clutch should still be under warranty, perhaps he would
> consider following the Reliable Clutch protocol. I hope to put this
> problem to rest once and for all, so I can actually drive this car with
> a quiet, smooth clutch.
> 
> Ryan
> '71
> 
> ----- Original Message -----
> From: tr6taylor@webtv.net (Sally or Dick Taylor)
> Date: Wednesday, December 18, 2002 4:41 pm
> Subject: Re:  TRF magic clutch kit
> 
> > Ryan---I've installed three* of the KOYO throwout bearings in the last
> > two years in two, different TR6's.
> > The first time I used this bearing I installed it "unloaded". That is,
> > without the "extra" spring pressure that would keep the bearing always
> > spinning. As did yours, the whirr came in at about 2,000 miles.
> > When I
> > complained to TRF, they immediately sent me a new one.
> > Before removing the first Koyo, I imagined it's rollers were

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