[T3] Clutch question

[B Fye]

Look to see if the throw out arm is a short unit.

B. Fye

> On Aug 26, 2014, at 7:45 PM, "Jim Adney" <jadney at vwtype3.org> wrote:
> 
> Sarah is here! Yes, Sarah from Brooklyn, NY, who we met at the 
> Invasion, made it all the way to Wisconsin with Marigold, her '71 
> square. We had a number of things to try to sort out and one of them 
> was the clutch.
> 
> We think most of the other things are sorted out, but there's a 
> mystery in the clutch. When we got the engine out, the pressure plate 
> was a German F&S 3-arm diaphram spring pressure plate and the driven 
> disk was a Brazilian F&S spring center disk. Both appear to be 
> correct for her '71. (No center ring on the pressure plate.)
> 
> Keith thought this might be a Kennedy plate, because the pedal 
> pressure seemed heavy, but once we got to it, it all appears to be 
> stock. We're looking for something obviously wrong, but the only 
> thing that's wrong is something really strange:  
> 
> The disk appears to have plenty of life left in it. PP surface and 
> flywheel surface look fine.
> 
> The spring center disk has 3 rivets that hold the 3 center plates 
> (that contain the 6 springs) together. The heads of those 3 rivets 
> have been partly worn away because they have been touching the inner 
> edge of the diaphram spring in this PP. Clearly these 2 parts were 
> never designed to play well together, even though they are both F&S.
> 
> I have a perfectly good F&S diaphram style (non-3-arm) PP that has 
> plenty of clearance over those rivets, and I'll be happy to install 
> it in her car, but this doesn't seem like it would have anything to 
> do with the heavy pedal pressure.  
> 
> So here's my question: Has anyone seen this before? Does anyone think 
> this should cause heavy pedal pressure? If so, why?
> 
> While we're at this point, I think we should also pull the flywheel 
> and check the main seal and the gland nut pilot bearing.
> 
> So far we've replaced the missing thermostat, and the pushrod tube 
> next to it, that the previous mechanic had dented when he removed the 
> old thermostat. That pushrod had rubbed a hole in the pushrod tube. 
> That explains a lot of Marigold's oil loss. The rest of the 
> thermostat linkage was there, but it had a wrong spring installed. At 
> least that spring kept the flaps OPEN!
> 
> New pushrod tube, thermostat, linkage, and spring are all installed 
> and adjusted now.
> 
> We also found that the outboard spring anchors for the mech adv in 
> the distributor had been bent over by the installation of a condensor 
> mounting screw that was too long. I think that made the advance start 
> at a much lower rpm, so that the timing was dependent on what rpm you 
> timed it at. So Marigold gets a "new" distributor. That should make 
> the timing much more stable.
> 
> Comments on the clutch, PLEASE?
> 
> -- 
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
> 
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