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4.8 5spd clutch

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Old 11-08-2009, 06:49 PM
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Default 4.8 5spd clutch

i went to the dragstrip friday night the clutch was working awesome no slip no noise drove it home fine wake up sat hop in the truck push clutch in while in first to start chatters really bad kind a lurches from a stand still in neurtral running it wont go into 1st or reverse very easily with out chattering but shifts thru gears with no problem driving down the road and chatters at red light in 1st and 2nd with clutch pushed in do you guys think its the clutch or the tranny and what clutch is the best to buy street/strip with bolt on only im looking at the spec stage 1
Old 11-08-2009, 07:05 PM
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Wonder if you overheated it and maybe warped something. Do you have a link or anything for the spec clutch you found...

And what did you run at the track?
Old 11-08-2009, 07:34 PM
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heres some "............." use them in your mile long sentence,


try bleeding your clutch , changing your fluid, or push the pedal harder
Old 11-08-2009, 08:32 PM
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Originally Posted by 2005 Silverado
Wonder if you overheated it and maybe warped something. Do you have a link or anything for the spec clutch you found...

And what did you run at the track?
the links was just specclutches.com and i only ran a 15.2 on street tires
Old 11-08-2009, 08:35 PM
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Originally Posted by daryn c
heres some "............." use them in your mile long sentence,


try bleeding your clutch , changing your fluid, or push the pedal harder
.....10-4 on that. sorry i was in a hurry. i'am pushing the clutch all the way, and when i double pump the pedal it shifts easier, thought it maybe just the slave on the throwout bearing. the truck has a 120,000 on the stock clutch ive been beating the out of it since i bought it. how do you bleed these slave cylinders i dont see a bleeder like we run on our race cars. thanks
Old 11-08-2009, 08:39 PM
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there is a bleeder attatched to the slave, you can access it through a hole in the side of the front portion of the transmission
Old 11-08-2009, 08:41 PM
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Originally Posted by 2005 Silverado
there is a bleeder attatched to the slave, you can access it through a hole in the side of the front portion of the transmission
thanx ill check it out
Old 11-08-2009, 09:25 PM
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This is a picture of when my slave over extended. The two holes you see are on the drivers side, and the TOP one is where the bleeder is.
Old 11-08-2009, 09:27 PM
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Originally Posted by 2005 Silverado


This is a picture of when my slave over extended. The two holes you see are on the drivers side, and the TOP one is where the bleeder is.
thanks very much ill bleed it out and let you know if it helped or if im just gonna order a new slave and clutch
Old 11-10-2009, 04:20 PM
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May want to take a gander at your master cylinder as well. I installed a new clutch set back in march and had similar problems. I bleed the system and installed new fluid and it helped it out a lot. Pretty much elimanated my problem.


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