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Old 09-27-2009, 08:05 PM   #1 (permalink)
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Default Clutch rattle question

Just did the engine rebuild, tranny rebuild, and put it all together with a new ACT 6 puck sprung clutch/flywheel. I used a new Mopar TOB, TOB fork, and pivot ball.

When the car is in neutral and my foot is off the clutch, it rattles like a can of marbles. As soon as I apply just a little pressure to the pedal all the noise instantly goes away. It didnt start making this noise until about 100 miles was on the new setup (no boost yet because of break in period).

My first thought would be TOB, but its a new OEM bearing and its not a squeek, squeel, or chirp, its a loud rattle and sounds like crap.

Anyone?
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Old 09-27-2009, 08:45 PM   #2 (permalink)
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mine does the same thing... Installed new:

ACT clutch(streetdisk)
mopar TOB
TOB fork
pivot ball

At first rattling wasn't even noticeable but ever since break in there is always a little rattle at idle with the clutch out. It is supposed to be the stiffer springs in the the clutch disk that cause gear clash.
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Old 09-27-2009, 08:48 PM   #3 (permalink)
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mine does too
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Old 09-27-2009, 08:56 PM   #4 (permalink)
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Well it kind of sucks to pull up next to someone at a light and they say "whats wrong with your car?" when its all brand new crap in there.

Oh well, if its normal then I guess I wont worry about it.
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Old 09-27-2009, 09:02 PM   #5 (permalink)
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Quote: Originally Posted by porksword View Post
Well it kind of sucks to pull up next to someone at a light and they say "whats wrong with your car?" when its all brand new crap in there.

Oh well, if its normal then I guess I wont worry about it.

if you look back i posted the samething a few times. actman said its gear rattle
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Old 09-27-2009, 09:18 PM   #6 (permalink)
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Noise, goes away upon pushing in the clutch, comes - Car Videos on StreetFire

First thing i thought of was this ^^^ but not sure how bad of a rattle your talking about. That is the sound of flywheel bolts that fell off and are rattling around.
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Old 09-27-2009, 09:30 PM   #7 (permalink)
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Quote: Originally Posted by TRD2SRT View Post
Noise, goes away upon pushing in the clutch, comes - Car Videos on StreetFire

First thing i thought of was this ^^^ but not sure how bad of a rattle your talking about. That is the sound of flywheel bolts that fell off and are rattling around.

wow, heres mine
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Old 09-27-2009, 09:35 PM   #8 (permalink)
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^^ they sound a little bit different. The other one sounds like marbles rattling around and yours sounds like.... i dunno the tob maybe. Your sounds kind of normal but a little louder than it should be. Maybe your camerea is really close the trans or something.

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Old 09-27-2009, 09:36 PM   #9 (permalink)
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no it doesnt, sweet way to spend 700 right
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Old 09-27-2009, 11:51 PM   #10 (permalink)
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Thanks for the sound clips guys. It sounds just like lyncoo's car but maybe just a touch quieter. Sometimes its worse than other times.
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Old 09-27-2009, 11:58 PM   #11 (permalink)
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It gets worse with the ac on
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Old 09-28-2009, 12:54 AM   #12 (permalink)
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I dont remember if I had the AC on or not, but I hope it was on because I sure dont want it to get any worse.
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Old 09-28-2009, 07:23 PM   #13 (permalink)
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Lyncoo has a solid center disc which is probably why the sound slip of his noise is so severe. There is absolutely no torsional dampening whatsoever on his setup, so the transmission gear teeth clatter much worse than the typical noise using our spring center disc.
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Old 09-28-2009, 07:30 PM   #14 (permalink)
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Quote: Originally Posted by ACTman View Post
Lyncoo has a solid center disc which is probably why the sound slip of his noise is so severe. There is absolutely no torsional dampening whatsoever on his setup, so the transmission gear teeth clatter much worse than the typical noise using our spring center disc.

i was at 500hp then went back to stock now ive started modding again and hopeing the street disk will hold up. i am noway bashing just a little frustrated right now
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Old 09-28-2009, 09:07 PM   #15 (permalink)
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Quote: Originally Posted by lyncoo View Post
i was at 500hp then went back to stock now ive started modding again and hopeing the street disk will hold up. i am noway bashing just a little frustrated right now

No offense taken. I can understand your frustration. Keep in mind, the spring center on the street disc is the same as the race disc, so your power level should determine what disc to get. The noise should be about the same, but much better than your solid center disc.

The topic of spring center versus solid center is going be one of the next discussions in Clutch Chatter (ACT's tech newsletter). I am hoping that reading articles like this will help our customers avoid the frustration you are experiencing also educate our dealers to sell the right parts in the first place. Anyone can sign up for the newsletter on the ACT website.

Last edited by ACTman : 09-28-2009 at 09:19 PM.
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