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act 2600 install

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4Gmoney63

15+ Year Contributor
35
0
Feb 26, 2007
Tempe, Arizona
This past weekend i installed a ACT street disc 2600. Disengagement is fine under any kind of upshifting. But when i am in gear decelerating the clutch barely disengages enough to get it out of gear. It almost goes all the way to the floor. Just sitting still or upshifting it works perfectly. I might add i replaced the slave, master cylinder, and anything else to do with the clutch. I dont have a ss clutch line, but it is a new rubber one. Also the clutch assembly doesnt seem to be worn, there is no play. I am just confused because it works fine in every other situation. :confused:
 
I bled all of the old fluid out. I bled it until the cows came home. Also i did adjust the pedal, disengages beautifully almost half way off the floor normally.... Its perfect unless in gear and decelerating
 
I was under the impression that an extended slave cylinder rod was not needed since i shimmed the pivot ball. Besides, i have good disengagement sometimes. What i want to know is why it works perfectly sometimes and not others.
 
I dont know if this has any relation, but when i tore the car apart to put the new clutch in found some stuff that was definitely off. I was having problems with disengagement all around before, but it was due to the fact that tranny was seperating from the engine. This in turn was causing the transfer case to rub on the backside of the flywheel(there was no cover on it when i got the car). It was only a little bit cause i caught it quickly.
 
Did you get a new flywheel? Re-surfaced?

Also, dont use an extended slave rod. Its just a band-aid fix up for another part that is failing.
 
I was under the impression that an extended slave cylinder rod was not needed since i shimmed the pivot ball. Besides, i have good disengagement sometimes. What i want to know is why it works perfectly sometimes and not others.

This just sounds like you have air in your clutch line. Bleed, bleed, bleed.

Have someone pump the clutch 5 times and hold, release bleeder screw on slave, tighten after fluid is done spitting out. Let off clutch. Pump back up.Repeat.

When you do this you want it to shoot out a steady stream of fluid. If there is any air in the line you will notice. Also I would try to bleed the system fully. Flush it basically. Bleed to cycle the fluid through the system.
 
I did resurface my stock flywheel and used new bolts. I bled the system by hooking a vacuum line to the nipple and putting the other end in a cup of brake fluid. Then i had someone sit in the car and work the clutch until there was no more nasty fluid coming out. But i will do it again today and try pumping the clutch.
 
I dont know if this has any relation, but when i tore the car apart to put the new clutch in found some stuff that was definitely off. I was having problems with disengagement all around before, but it was due to the fact that tranny was seperating from the engine. This in turn was causing the transfer case to rub on the backside of the flywheel(there was no cover on it when i got the car). It was only a little bit cause i caught it quickly.

Ive had this happen not too long ago and ended up being a broken front ear of the block were the front tranny bolt goes in, and a snapped off upper top bolt in the bolt and I had to tap that out. Not fun.

And for the 2600; I think you dont have enough throw, its hard to get a lot of throw with that clutch sometimes. Upshifting is easier to get it to change gears than when your saying abour the deceleration, i mean technically you dont even need the clutch to change gears. But anyways I put a nickle sized washer under the pivot ball on the tranny
and on top of that; on the master cylinder bracket that the rod screws into for the clutch pedal, I had a nut welded onto that to extend the reach at the master cylinder.
You dont want to extend the reach at the slave, and also what you could do is back out
the clutch switch bolt a little bit so the clutch pedal starts up a little higher.
After Doing those three things i actually ended up having a little bit of over throw were when the clutch pedal was smack against the floor i heard a scratching noise, but if i lifted the pedal up about say a half a inch the noise goes away, so i ended up re-adjusting the pedal again and now my act 2600 engage perfectly and yea its a little stiff but near not as stiff as it was before when it was over throwing. But your case, despite it being bled correctly, you need more throw thats why its having problems changing gears sometimes.
 
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