LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Clutch and clutch fork

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Old Jan 9, 2004 | 12:00 PM
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96YenkoClone's Avatar
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Clutch and clutch fork

I just finished building my motor and put it and the trans back in the car, I have a 96 with a T56. The clutch fork normally is able to be moved in order to get it on the throwout bearing, but after I get it on and the clutch master cylinder on, the fork still rattles and if iI depress the clutch all the way you hear it rattling and hitting the inside of the houseing like its pulling too far, is there a spring or somethin that may have fallin out to keep pressure on the fork to stabilize it so it doesnt flop around after put together, it has already popped off on me once. Thanks, hope someone can help.
Old Jan 9, 2004 | 12:09 PM
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THe slave cylinder has a pre-load spring in it. This should always keep a preloaded condition on the clutch fork, as it it were trying to disengage it. It is about and inch or so of compression before the slave is tight onto the bellhousing on the stock setup.

I actually have mine shimmed out 1/8" to lessen the preload.
Old Jan 9, 2004 | 12:12 PM
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i have tried shimming it buit it is really bad like if i press the clutch down all the way itll hit the houseing so bad that ill have a few aluminum shaving in the master housing when i pull it off and the fork stays really loose, like about 3ooo rpms you can hear it rattlin around in there, mine is shimmed about 1/4 inch
Old Jan 9, 2004 | 12:21 PM
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Are you 110% sure the fork is actally in the throw-out bearing properly? Sounds like it isn't. Did you forget the pivot bolt?

Does the clutch even work?

There is NO possibility of having any loose parts in there if everything is in right.
Old Jan 9, 2004 | 12:32 PM
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Originally posted by 6SpeedIROC
Are you 110% sure the fork is actally in the throw-out bearing properly? Sounds like it isn't. Did you forget the pivot bolt?

Does the clutch even work?

There is NO possibility of having any loose parts in there if everything is in right.
Listen to this guy...

You must have something put together wrong, or broken. The fork has a little spring clip on it that clips over the pivot T and keeps it in the right place. Is that clip broken or missing?

the fork and T should be assembled to the belhousing BEFORE installing the housing. after installing the assembled housing/fork you need to push the fork in to engage the release bearing. The little metal clip on the fork will catch the T and it will stay in place. Then all you need to do is install the slave cylinder with actuator rod, and you are set.
Old Jan 9, 2004 | 12:48 PM
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that spring clip maybe my rpoblem cause the clutch works and everything just the fork isnt solid, i know i have the fork bolt in there but dont think the spring clip is there, maybe thats why the fork isnt solid when on the throwout
Old Jan 9, 2004 | 12:59 PM
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Originally posted by 96YenkoClone
that spring clip maybe my rpoblem cause the clutch works and everything just the fork isnt solid, i know i have the fork bolt in there but dont think the spring clip is there, maybe thats why the fork isnt solid when on the throwout

I cannot recall exactly how that clip spring is attached to the fork, or if it is even removable. It might be crimp-fitted in, in which case you may need a new fork.
Old Jan 10, 2004 | 10:13 AM
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can anyone else give me some good ideas on what this could be I want to get this new motord car out and about
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