I NEED HELP PLEASE...clutch problems
It sounds like you may have one of two issues. Either you have a leak in the system which is allowing air to get in, or you have bolt which is backing out of the pressure plate. Here are a couple of questions.
Did you install the clutch?
Did you use loctite in the bolt holes as prescribed in the instructions?
As for bleeding. Many folks bleed a system the wrong way. The best way to bleed air is to have someone help you. One person cracks the bleeder screw open. The other person who is in the car pushes the pedal to the floor and holds it there. The person under the car then closes the bleeder. Repeat this process 3-4 times, or until the pedal is firm to ensure all the air is out.
The issue we see is that folks pump the pedal, hold it down, and then crack the bleeder. This doesn’t move any fluid, and you can bleed the clutch 1000 times, and not get the air out. Pressure bleeding can cause issues with the seals in the MC. Also, If the pedal is soft or spongy, I would look at ensuring there is no air in the system.
We don’t recommend aftermarket slaves with our clutches. I don't know whose used slave you used, if it were stock, or some adjustable unit. Our design is intended to have the same height and nearly the same feel as stock with the stock hydraulics. So, when you bring in a modified part no matter whose it is, it simply complicates the matter.
Obviously, you can change out the master cylinder if you detect that it may be the issue. If it has a bad seal, it can leak air into the system.
If it were the slave I suspect you’d have fluid leaking on the ground, but I guess it is in the realm of possibilities to have a nick on the seal letting air in.
After that would be to check the mechanical integrity of the installation. This means going around the perimeter bolts on the pressure plate to ensure they are tight. If they have backed out any, the clutch will not have enough clamp. You may want to cut a small access hole in your bellhousing. This will allow you to check the torque on the pressure plate bolts. This way you don’t have to remove the driveline to check that out.
If a bolt has backed out, it shouldn’t be loose as the pressure plate will be pushing back on it. But, if you check the torque with a torque wrench, obviously you’ll be able to tighten it up. If you find any that are loose, you need to put loctite in the hole, and tighten it to the proper torque value. If you do find one loose, then I would check ever bolt that was installed to ensure no others are backing out.
The only other issue I can possibly imagine that would causes the clutch to drag is a bent disc. The only time I've seen this is when someone has left the transmission hanging off the clutch while installing, and physically bent the disc. Its pretty hard to do that, but its also something to look at.
That is where I would start. Let me know if there is anything else we can do to help you out.
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