New GMPP clutch installed - Cobalt SS Network



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Old 05-21-2018, 06:39 PM   #1  
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New GMPP clutch installed

So I just got my GMPP clutch kit with LNF flywheel installed and Iím curious if anyone else has noticed this or If there might be a problem. The roll point is MUCH different now, basically just off the floor vs my old clutch was a little ways off the floor. Itís weird to get use to especially with some spirited pulls, is this normal or should it be a little farther off the floor?
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Old 05-21-2018, 06:45 PM   #2  
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how did you bleed it?
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Old 05-21-2018, 07:07 PM   #3  
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Make sure its bled well and get it broke in, I want to say someone else had that issue and it rose up after some break in
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Old 05-21-2018, 07:08 PM   #4  
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a new clutch will generally grab/release closer to the floor than a worn out clutch, however it should be midway through the travel. id suspect you still have air in the system though, the best way to bleed it is by using a tool to pull a vacuum on the reservoir, this will draw the air out of the system.
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Old 05-21-2018, 07:16 PM   #5  
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He was under the car bleeding it, wasnít a vacuum bleed he just loosened the nipple or whatever and then had another guy pumping / holding the clutch. They did about 4-5 holds and then probably 10ish pumps between holds
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Old 05-21-2018, 07:23 PM   #6  
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Quote:
Originally Posted by OneCleanBalt View Post
He was under the car bleeding it, wasnít a vacuum bleed he just loosened the nipple or whatever and then had another guy pumping / holding the clutch. They did about 4-5 holds and then probably 10ish pumps between holds
you never get all the air out doing that on these cars. the problem is the bleed screw is in the middle of the clutch line, so you get the air out between the master cylinder and the bleed screw, but that does nothing for air trapped in the slave cylinder. the proper method for bleeding a system like this is vacuum on the reservoir.

i would try driving the car for a little longer before doing anything, often times the air will work its way out.
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Old 05-21-2018, 07:43 PM   #7  
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When I installed mine it was the same, and I had done the vacuum bleed multiple times. After about 200 miles it moved up to where it's at now, around halfway.
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Old 05-21-2018, 07:59 PM   #8  
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Ok Iíll give it some drive time, itís only be like 50ish KM so if it hasnít worked out by then Iíll vacuum bleed off res. Just sometimes it wonít go into gear with Clutch all the way in, only at a stand still and usually Reverse
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Old 05-22-2018, 02:32 AM   #9  
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if your having problems getting it in gear it will need bleeding. in cases where the pedal is low but you can still shift ok it will usually work its way out, but not if your having problems getting it into gear.
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Old 05-22-2018, 06:08 AM   #10  
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Mine was also closer to the floor after install but isn't now. I never had trouble getting in to gear though. I also would recommend bleeding it some more like sharkey said.
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Old 05-22-2018, 08:43 AM   #11  
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We bled it a little more and it isnít seemed to have an issue with getting into gear anymore but still close to the floor, Iím going to give it some time and if it doesnít change in a week Iíll vacuum bleed the reservoir
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Old 05-23-2018, 05:44 PM   #12  
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Mine was close to the floor about the 1st couple hundred miles and after it was broke in it changed. You should be ok now if you can get in gears ok.
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Old 05-23-2018, 05:45 PM   #13  
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Good to hear! Thanks everyone for the replies!
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