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1990 si tranny problems

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Old Oct 21, 2008 | 06:28 PM
  #1  
zchondaboy's Avatar
zchondaboy
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Joined: Oct 2008
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From: east ridge ,TN
Default 1990 si tranny problems

Hello everyone, I am lost on this subject. my clutch pedal hits the floor and stays there. it is something that happened while i was driving, and i checked the cable but its still in good shape. The only other thing i could think of was a broke shift release fork. So after dropping the transmission, much to my dismay, it was still intact.I have another si tranny that i just rebuilt but i don't want to put it in yet until i can figure out what broke in the first place. Because that would just suck to drop it again. And if anyone might think it is the clutch, it has less than 10k miles on it and still looks good. I also live in the east ridge, TN area if anyone might be able to look at it, or i can post pics for you to see. Ask questions if you need to. Help me to help you to help me!
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Old Oct 21, 2008 | 07:10 PM
  #2  
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ChrisS
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From: San Jose, CA
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Working from the pedal to the transmission:
-is the pedal stuck in a groove in the floor?
(yes, this problem was reported on this forum)

-have someone watch the shift release fork when you depress the clutch pedal
(no movement = problem in 1, 2, 3, or broken cable)
(movement = check stuff in tranny; go to 4)

1-what does the cable/pedal connection look like?
(cable end could have slipped free)

2-what condition is the pedal pivot in?
(broken pivot = no pull on cable)

3-is the clutch cable hole through the firewall intact?
(this hole is what the cable pulls against then transmits that force to the shift release fork)

4-is the bolt holding the throwout fork torqued correctly?

5-does the throwout bearing spin?
(is its spring clip correctly installed)

6-pressure plate problems?
(all fingers in an even shallow cone)

7-clutch plate problems?
(maybe a spring popped out of the clutch plate and jammed?)

8-is the offset between the clutch friction surface and the pressure plate mounting surface correct on the flywheel?

9-what about the little bearing in the center of the flywheel that holds the tranny's input shaft steady?

Take Care,
ChrisS
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Old Oct 23, 2008 | 07:48 PM
  #3  
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TRLMech
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Did you try adjusting up the cable?
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