Corvette clutch stuck to flywheel It sometimes sticks when I shift gears and it doesn't matter what gear is involved. I am using the same setup that I have run for 2 years except for a Lakewood steel bellhousing it feels like the clutch fork is pinned all the way back. A frozen clutch stuck to the flywheel often results from rust or corrosion seizing the friction surfaces. Clutch res was dry and fluid Mar 2, 2018 · A potential mechanical problem A frozen clutch is one of the most reoccurring complications we encounter. Tested the clutch on jack stands, had my son hold in the clutch while in 3rd gear and i could turn the back wheel. (It is easier when you leave the clutch assembly off the flywheel. I just bought a new C6 and there seems to be something wrong with my clutch. I would hold the brake, have on the parking brake, put the car in gear with engine off (assuming you can get it in gear with engine off), and momentarily turn the key to start several times. Nov 28, 2007 · C6 Corvette ZR1 & Z06 - Clutch Slipping??? - I posted yesterday (below is a summary of my post) about how to go about breaking in a new clutch and flywheel. We’ll explain the why, when, and how for resurfacing a flywheel so drivers know how and when to care for their vehicle’s Aug 30, 2020 · Was it the actual clutch disc stuck to the flywheel or could it have been the center spline of the disc stuck/rusted to the transmission shaft. Is it the slave cylinder itself that gets stuck, or is there a Feb 22, 2024 · Are you having difficulty starting your vehicle? Could it result from the starter not engaging flywheel? Discover more details below. I got my wife to push the clutch in and the shift mechanism and yoke seem to be working. Put it in gear and rock the car back and forth. I wasn't sure what to expect, the service manual said bad throwout bearing or disk stuck on splines. Without the occasional resurfacing, a vehicle’s flywheel can degrade to the point that it becomes dangerous to drive. Anyway, he talked me into getting a hi-performance starter ($240), and Aug 4, 2016 · C1 & C2 Corvettes - Stuck Clutch Plate - Hey Guy's, :salute: A Little help here please, I am taking my 59 out of storage, nursing her back to running condition after many years on blocks, My Clutch plate appears to be Stuck to the flywheel from lack of use, with the car on stands If i put trans in gear and rotate Apr 4, 2018 · Autocrossing & Roadracing - What exactly is happening when a C5 clutch pedal sticks to the floor? - I have seen a number of threads about this problem, with a few suggestions on how to avoid it, but I haven't seen an explanation of what's going on inside. Jul 20, 2005 · 1) If there is air in fluid. appears that the issue is the stock clutch master is all plastic and when they start to wear (sped up by Jan 10, 2012 · 1989-1996 CORVETTE 6-SPEED MANUAL TRANSMISSION CLUTCH REPLACEMENT TORQUE VALUES & TORQUE TIPS The following torque values are taken from the 1996 GM “Y†Platform Service Manual. Thanks in advance. After going through 2 NAPA starters, I decided to take this thing to a real mechanic, this guy only works on corvettes. RAY Jul 10, 2017 · C7 Tech/Performance - HOW TO: Install a Mantic Twin Disc Clutch and Flywheel in your C7 - NOTE: This How-To guide is neither endorsed by or property of Corvette Forum or myself in any way/shape/form. The pedal was down enough that the clutch was engage at all time. It doesn't happen Feb 26, 2022 · C4 Tech/Performance - Choosing a clutch kit and flywheel Zf 6 seed - Hey all!! Currently I have the trans out in my new C4 project for two reasons. I just purchased an 87 vette. Also, get the shim kit from Tick Performance and follow their procedure to see if you need to shim the slave cylinder. Is my ball stud to long or to short? Apr 27, 2005 · The rotating assembly is internally balanced, WITH the flywheel attatched as are alot of GM motors. It appears to me that the clutch is slipping when I get on the gas semi Aug 3, 2020 · C4 Tech/Performance - Clutch - Master Cylinder - Slave Cylinder - Just got my LT4 running. Install dial indicator base on the flywheel and adjust plunger to contact the register bore of the housing. I'm planning to change , clutch , flywheel , master and slave cylinders. ------------------ -Mark TC# 717 ACES #1641 1967 Chevelle SS396/375 (20 year old Polaroid pics. During hard accel/shifting the clutch would stick to the floor and not come back up (usually in 2nd or 3rd). Mar 28, 2011 · It's not the clutch it the master or slave - the system that disengages the clutch. When the car first started Learn how to replace a clutch, flywheel, pressure plate, throw out bearing (aka release bearing), pilot bearing and rear main seal in this video!My clutch wa Aug 30, 2017 · After confirming that the slave cylinder appeared to be functioning and that there was no water in the trans fluid, I dropped the transmission to discover that the clutch plate was adhered to the flywheel. All liability stemming from any actions taken in relation to this guide is solely placed upon the end user. And then I could not get it into any gear and the clutch pedal was stuck on the floor . This step is often missed, causing clutch chatter from the contaminated surfaces. Jun 8, 2005 · I have owned two vettes. So, the question is: Is the clutch disengaging? when was the last time you changed the fluid? Do a google search for "corvette c5 clutch stuck pedal" and you'll find a lot of info Jun 12, 2019 · Did you measure the flywheel height? I think, it was a long time ago for me but I remember measuring the flywheel face to mounting surface and subtracting from a stock plate height and then that number from the ball height to get the proper ball height. 020 as our maximum allowed machining of the flywheel friction face. Turned the engine off and it went right in. What I found when I pulled it apart is what appears to be a factory DMF , a 6 Dec 16, 2022 · This is the back (away from the clutch) side of the bearing. Ripped everything out and found the dual mass Aug 15, 2022 · C1 & C2 Corvettes - 1963 Clutch Replace - Replacing clutch on 63. Jul 21, 2001 · C4 ZR-1 Discussion - Clutch/Flywheel issues - sprung hub disc? - Well I've been having clutch problems lately, the trans would not go into gear at a stop sometimes. Aug 21, 2017 · With the clutch pedal tied down, you can use this tool to pry the clutch disk loose, working thru the gaps between the pressure plate and flywheel. Jul 22, 2019 · C5 Tech - Flywheel stuck to crankshaft!!!! - I started a clutch job last week and got down to pulling the flywheel in the first few hours only to find out 3 of the 6 bolts have stripped heads. The issue is that the clutch is seemingly stuck to the flywheel (if thats possible). Whenever we leave cars standing for prolonged periods, they sometimes develop the fault. still same issue. Oct 26, 2005 · C5 Tech - Clutch pedal stuck half-way - I down shift from 6th gear at about 70mph to 5th gear and the clutch pedal stuck half-way. About 2k. tried fluid changes, new slave, new clutch. Mar 9, 2011 · Excessive flywheel machining can cause clutch disengagement problems. Ripped everything out and found the dual mass C1 & C2 Corvettes - Stuck Clutch - I recently purchased a 70 LT1 that has not been out of a damp garage in 29 years. I went to put it gear and it wouldn't go into gear with motor Sep 6, 2003 · C1 & C2 Corvettes - How do you unstick Clutch to flywheel - Went to drive the Vette today and found that it would not go in gear. 12MM INTERNAL HEX LOCKING SCREW Jan 12, 2001 · Sounds like the clutch plate is stuck to the pressure plate or flywheel. After I Jul 3, 2015 · C3 Tech/Performance - stuck clutch - How would I free a stuck clutch; probably due to humidity. Nov 18, 2018 · Hi all, Background: So a couple weeks ago I went to pull out of the driveway and as I was letting off the clutch the car started jerking, the engine stalled and the clutch pedal was stuck to the floor and wouldn't release. FLYWHEEL BOLTS: 74 FT-LBS CLUTCH PRESSURE PLATE TO FLYWHEEL BOLTS: 30 FT-LBS BALL PIVOT STUD: 33 FT-LBS. Aug 4, 2006 · Hey Guy's, I'm new to the forum and need some help. I would have to "pop" the May 30, 2017 · C5 Tech - Clutch Disc Stuck to Flywheel? Any Ideas? - I have c5 that I think may have the clutch disc stuck to the flywheel. Oct 24, 2008 · 1. The only problem is that the clutch plate seems to be stuck to the flywheel, I Dec 31, 2010 · Found out the clutch disc had rusted and stuck to the flywheel so changed out the disc and pressure plate. You can see where the previous efforts had gripped, deformed, and then slipped off. It’s time to closely inspect the flywheel, and clean and inspect the other parts before installation Aug 31, 2021 · C1 & C2 Corvettes - Little help. . After driving the car around town a little bit taking it easy, I have become concerned. Panic ensued because, to get to the clutch, I'd have to remove the hood, cowl, and belly pan, pull the drive shaft, take out all the t Mar 28, 2019 · I have the motor running good but due to amount of time sitting clutch disk is apparently stuck on the flywheel . That means that the only thing a two-hook puller can get a grip on is the sheet metal on the back of the bearing. Any ideas what is going on with the clutch ? Thank you, Greg. We use . The car has been sitting for about a year, with part of that time being outside. We have just now installed the engine in the car and it runs great. I went to start it up for a drive and found the clutch plate stuck to the flywheel. The force a clutch pedal can exert will break any minor rust bond between clutch disc and pressure plate. This video is about the operation of a clutch and how one can fix a stuck clutch Jul 17, 2010 · C6 Corvette ZR1 & Z06 - Clutch Disk Stuck to Flywheel - Has anyone heard of or know of anything related?? Feb 1, 2013 · The piece is now stuck between the clutch disc and probably the flywheel and won't allow the clutch to release. Anyway to break loose other than pull the Oct 13, 2025 · C1 & C2 Corvettes - New clutch won't disengage - Installed the rebuilt 427 and M21 roughly a year ago along with new mcleod 75224 clutch and resurfaced flywheel. I tried my old trick of jacking up the rear wheels, putting the trans in 1st, pushing the clutch down and starting the Corvette clutch may stick due to rust buildup or hydraulic system failure causing engagement issues. Will never know for sure. I have only heard of it happening with the spec clutches. Mar 13, 2022 · C5 Tech - Reinstalling torque tube / trans - stuck - Installed a mantic twin disc clutch and am having issues reinstalling the torque tube / trans / diff. May 29, 2023 · If it turns out to be clutch stuck to flywheel, this is what I would do on my own car. This is because you’ve left the friction disc confined beneath the monumental thrust between the pressure plate and flywheel. (why would you replace the flywheel only?) the differences between the LS6 and Nov 11, 2002 · C3 Tech/Performance - How hard is it to change a flywheel? - My starter problems have turned into a possible flywheel problem. the torque loading from the power pulses and heat expansion of the flywheel will loosen it. Feb 19, 2021 · Three ways to remove a stuck manual transmission pilot bushing or pilot bearing using a pilot bearing puller, hydraulic force, and cutting tools. I just got the car running over the weekend. (See photo. Nov 29, 2009 · C5 General - Clutch Help!!! PEDAL STUCK ON FLOOR - While driving today on the highway, traffic slowed, down shifted to 5th and then down to 4th, somehow i missed 4th and grabbed 2nd over revved and when i went to engage the clutch to go back up it went to the floor thats where it stayed. Sorry) 1964 Chevelle 283/195 1975 Corvette 396/375 Looks are very deceiving! Dec 7, 2008 · One of the dealers said it could be a master cylinder leaking but I don't see any fluid on my engine or on my garage floor. I ended up needing to pry it off, but this still left multiple small pieces of the clutch material adhered to the surface of the flywheel. Aug 13, 2025 · C1 & C2 Corvettes - Stuck Clutch - I recently purchased a 70 LT1 that has not been out of a damp garage in 29 years. I'm using a floor trans jack in the rear to lift it back up into the car. IF you want to reuse your LS1/6 clutch and pressure plate, you need a LS1/6 flywheel. Dec 18, 2013 · Have you ever thought about the myriad complex actions a clutch system performs with one push of a pedal? With a simple movement of your left leg, your Corvette C5/C6’s clutch can help you make Oct 30, 2005 · Loosening a stuck clutch disk All of us know driving with the clutch pressed in will loosen it. Alright guys, I have read all the post and tried all the tricks. Dec 21, 2015 · C5 Tech - 1999 clutch pedal stuck to floor HELP - Hey guys I've got. First, inspect the clutch hydraulic system for leaks or air, ensuring proper fluid levels and pedal operation. Pry that sucker a little bit. Now once its running and the clutch pedal on the floor and it wont go into gear/ keeps driving like its in gear yea thats a clutch disc rusted to flywheel, stuck clutch disc, or frozen pilot bearing. Id wager the slave cyl is stuck. Eight hour install, plus clutch, flywheel, pressure plate and throw-out bearing. I do have an aftermarket clutch (ACT heavy duty) that was replaced back Find CHEVROLET CORVETTE Clutch Kits In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! Jun 10, 2019 · I believe the clutch face side of the flywheel to the mount flange is around . Aug 24, 2008 · C1 & C2 Corvettes - Cluthh Flywheel stuck to transmission - I had my vett in the garage (it has a 4 speed stick) and it appears that the trans and flywheel are stuck together!!!!! Oct 26, 2023 · My 1932 Studebaker Indy car replica was parked in the garage for a few months. Once the flywheel is torqued and ready for the clutch assembly, wash the machined surfaces with brake cleaner or alcohol. When the bearing is assembled, it is pressed together from this end. So from my knowledge, you can NOT use the ls2 flywheel as a direct replacement for the ls1. There is no pressure in the pedal (just goes to the floor). (This means Jul 21, 2001 · C4 Tech/Performance - Clutch/Flywheel issues - sprung hub disc? - Well I've been having clutch problems lately, the trans would not go into gear at a stop sometimes. If you change the flywheel and do not "match balance" the new flywheel to the old flywheel your motor is no longer in balance. Easier to just press in the clutch and start the car in neutral and let it idle for a while. 99 c5 fixed roof coupe, 6 speed with 55,000 miles Last night my clutch pedal was not working correctly it was only returning up halfway all of a sudden. I tried my old trick of jacking up the rear wheels, putting the trans in 1st, pushing the clutch down and starting the Why, When, & How To Resurface a Flywheel One of the most important maintenance tasks for a vehicle’s clutch assembly is resurfacing the flywheel. Sep 30, 2013 · C6 Corvette ZR1 & Z06 - Best clutch/flywheel options ? - 2010 Z06 clutch pedal stuck to the floor, now clutch pedal just won't move. And 100% replace the master cylinder with the updated part. stuck flywheel/clutch. I have adjusted the the clutch to the max but the clutch still wouldn't release. Rotate the flywheel and note indicator reading. 72 LT-1. I have an old thread around here on how to do it right. Installed a new flywheel, clutch, clutch master cylinder, and clutch slave cylinder. Three hour job to change at $85-125 a hour, plus fluid or 2) Or clutch is toast. ) 3. I'm not sure it's the clutch and here is where I need some help/advice. Doing this will cause annoying vibrationsin the short term. Some others here have figured out a way to free it although I do not know if this way is longterm fix, suggest you do a search. 9?for a stock gm sbc flywheel. This is actually a stock GM C7 Corvette clutch with a custom flywheel to fit the C6. again - Car has been sitting since I dropped it off at the new house the first week in April. Got it fired up without issue this morning with plans to drive it to work and blow out of the cobwebs (literally) but with the clutch depressed, the trans wont go May 2, 2010 · C3 Tech/Performance - Stuck clutch fork - I dropped in my engine today and the clutch fork will not move . Also you changed pressure plate and clutch, the finger height may have moved, has the flywheel been surfaced? Mar 17, 2017 · With the clutch disc and pressure plate removed, the wear surface of the flywheel is exposed. The Z-bar is pushing the Pressure plate in but I feel the clutch is probably stuck to the flywheel. Aug 13, 2012 · C4 Tech/Performance - 87 Clutch stuck to the flywheel? - Hey guys I am new here although older vettes have always been in the family. (in gear brakes on hit the starter, jack the rear spin it up to 2500 rpm in 5th Sep 29, 2017 · Get the motor running in gear, push the clutch down all the way, slam on the brakes, or anything else that puts a huge load on the clutch/flywheel interface to break it loose, like starting it in gear with the clutch down and brakes as hard down as you can push. I got all the mechanicals done and now the clutch disc is stuck to the flywheel. When I'm driving at slow speeds10mph or less and I'm about to come to a stop, I push the clutch in and the car actually jerks as if the clutch was not disengaging correctly. Sep 3, 2021 · If the clutch is stuck to the flywheel, is there something I can do to free it up. Definitely get the billet aluminum bearing support with a stock GM slave. I also remember buying a long adjustable ball haha. Torque tips are provided by Jim Jandik and Bill Boudreau, the ZF Doc. I had the same problem with both of these cars. Any ideas May 21, 2015 · C3 Tech/Performance - How to fix a stuck clutch? - First let me say this isnt Corvette related, but its a technical question about an old manual transmission, and I dont think the off topic area gets enough exposure. Misalignment is one . so tore apart the slave to see what was going on. Jun 9, 2008 · My understanding is LS2 and LS7 flywheels have the same CRITICAL dimensions; however you need to run the LS2/7 clutch and pressure plate. Turn the flywheel as you go. Corvette Transmission & Driveline Corvette Flywheel for your Chevrolet C8 C7 C6 C5 C4 C3 C2 C1. Oct 30, 2011 · [font:Arial]Folks, A fellow club member had his TR4 engine rebuilt a few years ago and the engine and transmission have set mated for some time. You also might be able to get a screw driver thru where the clutch fork is. Remove clutch assembly from flywheel and install bellhousing on engine block. And can lead to expensive engine bearing damage in the long Mar 4, 2009 · car has 450 hp to the wheels and had major prob with pedal not coming back up. ) 2. Currently I own a 2004 Z06, previously owned a 2003 Coupe. Both of these cars are MN6's. 50k miles on a clutch on any performance car is outstanding. The clutch was very stuck, and I was certain there had been travel issues and a bent fork. Never done one before but there are videos and I have the shop manual and can ask here if I run into something. zosu izf yrn tmonkic ixlokeq bjz wbk gmp cvahg rasie fkvi syljpi knznbuldm jvsn uje