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Cobra Forums
2013-14 Shelby GT500
Has anyone tried Mantic 9000 Triple disc clutch????
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<blockquote data-quote="Bad Company" data-source="post: 15821922" data-attributes="member: 141815"><p>The fact you have a strange noise occurring when it locks in gear dictates the removal of the transmission to inspect both the trans and clutch. </p><p></p><p>I'm suspect you'll find the clutch plates are going to show signs of excessive heat from slipping.</p><p></p><p>Now you're probably asking yourself how it is going to be slipping because it isn't while driving it. The problem is it isn't disengaging fully, so when you pull up to a stop with the clutch pedal to the floor with the car in gear the clutch has to slip to keep the car from moving forward. Try a test to see if this is actually what is happening and to what degree it is. Go to a perfectly flat area, come to a stop with the shifter locked up, take your foot off of the brake pedal.........does the car want to move on its own. If the car constantly tries to move with the clutch supposedly fully disengaged with the transmission in gear then you know it isn't disengaging fully. </p><p></p><p>The air gaps between the between the pressure plate, steel floater plates, flywheel and drive discs is a lot smaller then you may realize. I'd be willing to say it is less than 0.100" of an inch. Divide 0.1000" by how many air gaps(6 for a 3 disc clutch) and you come up with 0.016666" of air gap between each drive disc and anyone of the steel plates. If for any reason the pressure plate isn't pulled back fully you start having issues. For any reason a floater plate is cocking on its drive posts, you have a problem. The issue could be as simple as one of the spring leafs that facilitate movement of the floater plate to gain an air gap has broken off one of a floater plates. If this happens the floater may **** slightly.</p><p></p><p>If the noise that is occurring is while the car is stationary while locked in gear with the clutch pedal fully depressed then you are actually hearing it coming from the bellhousing. It is the clutch slipping. You may actually also be hearing a throwout bearing problem that isn't allowing the clutch to disengage fully.</p><p></p><p>so far everything you've posted would have me ripping the clutch out to inspect it. The guy from Mantic that told you to drive it was wrong. Maybe he is hoping that the drive discs will wear enough to gain an air gap for this problem to stop before you have a complete clutch failure. You are heading for a complete clutch failure in my opinion with everything you've posted to date. Unfortunately it is hard to keyboard diagnose, whereas with the car this should stick out like a real sore thumb. </p><p></p><p>Go to a flat parking lot and get it locked in gear to see if the car wants to creep along with supposedly no power to the driveline. If so the clutch isn't disengaging.</p></blockquote><p></p>
[QUOTE="Bad Company, post: 15821922, member: 141815"] The fact you have a strange noise occurring when it locks in gear dictates the removal of the transmission to inspect both the trans and clutch. I'm suspect you'll find the clutch plates are going to show signs of excessive heat from slipping. Now you're probably asking yourself how it is going to be slipping because it isn't while driving it. The problem is it isn't disengaging fully, so when you pull up to a stop with the clutch pedal to the floor with the car in gear the clutch has to slip to keep the car from moving forward. Try a test to see if this is actually what is happening and to what degree it is. Go to a perfectly flat area, come to a stop with the shifter locked up, take your foot off of the brake pedal.........does the car want to move on its own. If the car constantly tries to move with the clutch supposedly fully disengaged with the transmission in gear then you know it isn't disengaging fully. The air gaps between the between the pressure plate, steel floater plates, flywheel and drive discs is a lot smaller then you may realize. I'd be willing to say it is less than 0.100" of an inch. Divide 0.1000" by how many air gaps(6 for a 3 disc clutch) and you come up with 0.016666" of air gap between each drive disc and anyone of the steel plates. If for any reason the pressure plate isn't pulled back fully you start having issues. For any reason a floater plate is cocking on its drive posts, you have a problem. The issue could be as simple as one of the spring leafs that facilitate movement of the floater plate to gain an air gap has broken off one of a floater plates. If this happens the floater may **** slightly. If the noise that is occurring is while the car is stationary while locked in gear with the clutch pedal fully depressed then you are actually hearing it coming from the bellhousing. It is the clutch slipping. You may actually also be hearing a throwout bearing problem that isn't allowing the clutch to disengage fully. so far everything you've posted would have me ripping the clutch out to inspect it. The guy from Mantic that told you to drive it was wrong. Maybe he is hoping that the drive discs will wear enough to gain an air gap for this problem to stop before you have a complete clutch failure. You are heading for a complete clutch failure in my opinion with everything you've posted to date. Unfortunately it is hard to keyboard diagnose, whereas with the car this should stick out like a real sore thumb. Go to a flat parking lot and get it locked in gear to see if the car wants to creep along with supposedly no power to the driveline. If so the clutch isn't disengaging. [/QUOTE]
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Has anyone tried Mantic 9000 Triple disc clutch????
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