[Fot] Clutch issue - guesses? Answer!

Tony Drews tony at tonydrews.com
Sat May 8 17:58:12 MDT 2021


And... the picture...

Cheers, Tony

On 5/8/2021 6:43 PM, Tony Drews via Fot wrote:
> That was fun to see the wisdom of the list.
>
> Problem was...: pressure plate.  Apparently the diaphragm broke. Not 
> all fingers line up.
>
> That was really fun to take apart (not!!!).  I'll send a pic on the 
> next reply.
>
> So...  Any "better than the others" choices for a TR-6 stock style 
> pressure plate?  I probably should go ahead and do the disc while I'm 
> at it - and I'm looking for good sources for that too. This is the 
> TR-7 splined disk (1" 18 spline?).  I need something beefy of course.
>
> The disc actually looks pretty good, but while I'm in here I might as 
> well see about doing the whole schmeer.  I'm going to rebuild the 
> slave too just because, although the more I replace the more my new 
> parts can catch me out too.  One more local race before the 4 day tow 
> to the Cup in Portland, would much prefer not to break it again there.
>
> Clutch fork is pinned to the shaft with an extra through bolt. Clutch 
> fork fingers are stock, would be a good opportunity to try Glen's 
> grade 8 bolt trick.  Glen, can you describe how you do that in a 
> little more detail?
>
> Time for shower number 2 for the day.  :)
>
> Cheers, Tony Drews
>
> On 5/8/2021 1:39 PM, Tony Drews via Fot wrote:
>> I had an issue last weekend that I'm going to dig into shortly. I 
>> thought it would be fun to see what the guesses on the root cause are 
>> before I take things apart and really figure it out...
>>
>> Setup:
>>
>> TR-4, stock style clutch (diaphragm pressure plate), stock-ish 
>> linkage and slave cylinder
>>
>> Issue:
>>
>> Sudden change in clutch engagement point on clutch pedal and slipping 
>> clutch when pedal is up.  Engagement point moved from near the floor 
>> to near the top of pedal travel.  Happened suddenly.  Clutch fluid is 
>> at normal level.  Clutch will still engage, but not completely - like 
>> I'm not fully releasing the pedal.
>>
>> Guesses?  I'm suspecting something with the clutch fork (maybe a pin 
>> came out and jammed in the throwout)?  Slight chance of hang up in 
>> slave cylinder, but those are so simple it seems unlikely. Of course 
>> I'll report back when I know the actual cause.
>>
>> Cheers, Tony Drews
>>
>> _______________________________________________
>> fot at autox.team.net
>>
>> http://www.fot-racing.com
>>
>> Donate: http://www.team.net/donate.html
>> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
>> Unsubscribe/Manage: 
>> http://autox.team.net/mailman/options/fot/tony@tonydrews.com
>>
>>
> _______________________________________________
> fot at autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
> Unsubscribe/Manage: 
> http://autox.team.net/mailman/options/fot/tony@tonydrews.com
>
>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 20210508_232317373_iOS.jpg
Type: image/jpeg
Size: 1088234 bytes
Desc: not available
URL: <http://autox.team.net/pipermail/fot/attachments/20210508/c31c5c90/attachment-0003.jpg>


More information about the Fot mailing list