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Clutch and Flywheel Replacement - Different Parts
#41

In the interest of simplicity, and avoiding any further attempts at insanity, would it make more sense to simply replace the bearings and the disc?
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1992 968 Cabriolet

Volvo S60 Turbo AWD

Lexus RX 300 AWD

 
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#42

a couple of problems with that.  if you ever got the plate hot, it may judder.  also, the springs will be old and weaker.  they may not last.

 

no reason to lose sanity.  just order the right part number plate.  the color of the stripe will be green but it is a teal green on every one i have seen, as if it wasn't hard enough already.

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94 Midnight Metallic Blue Cab Porsche 968 w/deviating cashmere/black interior and WAY too many mods to list - thanks to eric for creating www.968forums.com



"It isn't nearly as expensive to do it right as it is to do it wrong."
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#43

Yes, I get that the green is kind of blue/green, but the one I checked out yesterday was unmistakably blue- not even a hint of green. 

 

I may just repaint the stripe on the blue one and see if that works. Seems like a simple fix.

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1992 968 Cabriolet

Volvo S60 Turbo AWD

Lexus RX 300 AWD

 
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#44

Quote:I may just repaint the stripe on the blue one and see if that works. Seems like a simple fix.

Lol, too funny.
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#45

So I finally got around to replacing the clutch.  A few months ago everything was working well on the car, and this made me smile, and then the clutch started slipping like 30 seconds later...

 

The clutch pedal has always been really stiff in my 968 (broke the firewall, and the reinforcement wasn't enough, so I made a turnbuckle deal to pretension against the strut tower).  I assumed the incorrect pressure plate had been installed, but it has the correct "964.116.027.01" printed on it.  I think this could be the original clutch, but I don't know how to tell. It turns out one of the two bearings on the fork shaft was locked to the shaft, so that was probably my main issue.  

 

I researched the forums and I'm so thankful to have all this knowledge out there to help me make the right decisions.  I bought the correct pressure plate from Pete at RS Barn (green stripe, but has "964.116.027.90" printed on it which is confusing), bought the rest of the components from EBS racing, and then the correct lubricants from Sunset Porsche.  I was intending to take the flywheel off to replace the crank seal, but it didn't look like there was any oil leaking out, and I've read enough about the struggle of getting the old one out and the new one properly seated that I decided to leave it be.

 

I put the car on stands and pulled the old clutch out of the car, took about 5 hours and was pretty straight forward.  The exhaust bolts on the catalytic side were rusted and I broke three of them, and had to saw the forth one off.  I have pretty small jack stands, so I didn't have a ton of room under the car.  I gotta say my shoulders are now more flexible than they were before I started the job!  The clutch disc was intact, but the pressure plate side of it was so worn that it was cutting into the rivets.  The pressure plate surface was badly warped and grooved, but the flywheel was in much better shape.  

 

I put everything back together the following weekend, with a last minute trip up to Flash to grab some exhaust gaskets and nuts and such...I'm gonna miss having him around, what a resource and friend!  

 

My first impression when I pressed the clutch was that I must have messed something up because it was so light and went straight to the floor.  I was shocked to find that it is actually working.  I've been driving it for the past few days, and it's taking me a while to get used to the new feel.  Don't get me wrong, it is way better, it's just that I'm trained to put a lot of force on it to press it down so it takes me by surprise every time.  It was a tedious, but very rewarding job, and it has totally changed the driving experience.  Next job - supercharger.

 

 

 

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#46

Quote:So I finally got around to replacing the clutch.  A few months ago everything was working well on the car, and this made me smile, and then the clutch started slipping like 30 seconds later...

 

The clutch pedal has always been really stiff in my 968 (broke the firewall, and the reinforcement wasn't enough, so I made a turnbuckle deal to pretension against the strut tower).  I assumed the incorrect pressure plate had been installed, but it has the correct "964.116.027.01" printed on it.  I think this could be the original clutch, but I don't know how to tell. It turns out one of the two bearings on the fork shaft was locked to the shaft, so that was probably my main issue.  

 

I researched the forums and I'm so thankful to have all this knowledge out there to help me make the right decisions.  I bought the correct pressure plate from Pete at RS Barn (green stripe, but has "964.116.027.90" printed on it which is confusing), bought the rest of the components from EBS racing, and then the correct lubricants from Sunset Porsche.  I was intending to take the flywheel off to replace the crank seal, but it didn't look like there was any oil leaking out, and I've read enough about the struggle of getting the old one out and the new one properly seated that I decided to leave it be.

 

I put the car on stands and pulled the old clutch out of the car, took about 5 hours and was pretty straight forward.  The exhaust bolts on the catalytic side were rusted and I broke three of them, and had to saw the forth one off.  I have pretty small jack stands, so I didn't have a ton of room under the car.  I gotta say my shoulders are now more flexible than they were before I started the job!  The clutch disc was intact, but the pressure plate side of it was so worn that it was cutting into the rivets.  The pressure plate surface was badly warped and grooved, but the flywheel was in much better shape.  

 

I put everything back together the following weekend, with a last minute trip up to Flash to grab some exhaust gaskets and nuts and such...I'm gonna miss having him around, what a resource and friend!  

 

My first impression when I pressed the clutch was that I must have messed something up because it was so light and went straight to the floor.  I was shocked to find that it is actually working.  I've been driving it for the past few days, and it's taking me a while to get used to the new feel.  Don't get me wrong, it is way better, it's just that I'm trained to put a lot of force on it to press it down so it takes me by surprise every time.  It was a tedious, but very rewarding job, and it has totally changed the driving experience.  Next job - supercharger.

 

 

 
Wow, I had the exact same experience, except for the trip to see Flash for parts.

 

I had the proper pressure plate, but it was stiff because the fork shaft bearings were dried out and half shot. I had the same impression that the clutch was "too light" afterward, and I also had to readjust my driving to accommodate the lighter pedal pressure. It is a lot easier to drive now, but there was a learning curve.

 

It's a pity that these plate can't be rebuilt since they are getting so hard to find.
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1992 968 Cabriolet

Volvo S60 Turbo AWD

Lexus RX 300 AWD

 
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#47

" It's a pity that these plate can't be rebuilt since they are getting so hard to find. "

 

Has anyone tried to find a machine shop and was categorically told they cannot be rebuilt , or is that just a " goes without saying "  expectation given the way the plate is built , the materials, etc ?     

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#48

My 92 and 93 clutch's feel different. I've only driven the 94 once but I remember it feeling ok.
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