New clutch stopped working after 1/4 mile
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New clutch stopped working after 1/4 mile
Hi all I,m brand new to this forum. Here's what I Got.
2003 civic coupe Ex with 1.7 VTEC 5 speed with 215,000 miles
Son said it made a clunk noise while shifting from 2nd to 1st while coming to stop, then car would no longer move. Buddy tried to help and put it in first gear and saves it to 6000 grand or more to move and drive it.that way for a mile before it stopped moving. I tore it apart to find half of the clutch plate blew into pieces. Replaced flywheel, bearing in flywheel, pressure plate, clutch and throw out bearing . Drive car 1/2 mile and while shifting from 2nd to 1st it.made clunk noise and stopped moving.
If felt great up to that point. What the heck could cuase this. I have to look further I to this. My thoughts are. Is there a slave cylinder issue? DID the clutch blow the first time because my buddy pushed it after first malfunction and original problem went unresolved? Any thoughts would be greatly apprieated.
Thanks much
2003 civic coupe Ex with 1.7 VTEC 5 speed with 215,000 miles
Son said it made a clunk noise while shifting from 2nd to 1st while coming to stop, then car would no longer move. Buddy tried to help and put it in first gear and saves it to 6000 grand or more to move and drive it.that way for a mile before it stopped moving. I tore it apart to find half of the clutch plate blew into pieces. Replaced flywheel, bearing in flywheel, pressure plate, clutch and throw out bearing . Drive car 1/2 mile and while shifting from 2nd to 1st it.made clunk noise and stopped moving.
If felt great up to that point. What the heck could cuase this. I have to look further I to this. My thoughts are. Is there a slave cylinder issue? DID the clutch blow the first time because my buddy pushed it after first malfunction and original problem went unresolved? Any thoughts would be greatly apprieated.
Thanks much
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Re: New clutch stopped working after 1/4 mile
That statement is concerning because generally you should only shift a car from second to first when the car comes to a stop.
So let us just assume your son is “not” perfectly skilled at RPM matching that downshift, the shock load on the transmission added into normal wear and tear on the bearings might possibly cause enough warpage of the gear shafts that the entire transmission “locks” for a brief moment and that stress passes though the friction disc. I would expect that to sound like a bang not a clunk but that’s subjective.
On a 215k 17yr old clutch there would be enough fatigue that I could understand it falling apart with such a shock, on a brand new OEM - no, on a brand new anything else - possibly but highly unlikely.
There is no way the slave cylinder could “damage” the clutch beyond allowing it to slip.
Even if you didn’t torque down the flywheel and or pressure plate bolts those shouldn’t come apart that quickly.
So let us just assume your son is “not” perfectly skilled at RPM matching that downshift, the shock load on the transmission added into normal wear and tear on the bearings might possibly cause enough warpage of the gear shafts that the entire transmission “locks” for a brief moment and that stress passes though the friction disc. I would expect that to sound like a bang not a clunk but that’s subjective.
On a 215k 17yr old clutch there would be enough fatigue that I could understand it falling apart with such a shock, on a brand new OEM - no, on a brand new anything else - possibly but highly unlikely.
There is no way the slave cylinder could “damage” the clutch beyond allowing it to slip.
Even if you didn’t torque down the flywheel and or pressure plate bolts those shouldn’t come apart that quickly.
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Finally got a chance to dianoise the issue. I jacked up the front end and gave the left wheel a spin and right side didn t move I check both axles and found the right side had popped out. I removed the right axle and found the end splines stripped off just after the clip AKA bull ring. Using a magnet and flushing the transmission I got the small chips out most of them I believe. What ever the internal magnet didn't grab. Got an axle ordered up. Too be continued.....
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This is the first time I see similar thing happen. Also is the first time I hear that someone had shifted from second to first gear with the car in movement. I am from Brasil and mostly of cars here are manual trans so we are very used to them and we KNOW that you cannot do this.
You never should try to shift from second to first on a manual trans with the car in movement. Actually, since the first gear is NOT synchronized with the rest of gears, you won't manage to engage the first gear this way unless you use a LOT of strength and FORCE it in. I am really not surprised that you guys had broken it twice and still more surprised that you didn't break something else in the gearbox and/or didn't bent the shifter fork.
You never should try to shift from second to first on a manual trans with the car in movement. Actually, since the first gear is NOT synchronized with the rest of gears, you won't manage to engage the first gear this way unless you use a LOT of strength and FORCE it in. I am really not surprised that you guys had broken it twice and still more surprised that you didn't break something else in the gearbox and/or didn't bent the shifter fork.
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This is the first time I see similar thing happen. Also is the first time I hear that someone had shifted from second to first gear with the car in movement. I am from Brasil and mostly of cars here are manual trans so we are very used to them and we KNOW that you cannot do this.
You never should try to shift from second to first on a manual trans with the car in movement. Actually, since the first gear is NOT synchronized with the rest of gears, you won't manage to engage the first gear this way unless you use a LOT of strength and FORCE it in. I am really not surprised that you guys had broken it twice and still more surprised that you didn't break something else in the gearbox and/or didn't bent the shifter fork.
You never should try to shift from second to first on a manual trans with the car in movement. Actually, since the first gear is NOT synchronized with the rest of gears, you won't manage to engage the first gear this way unless you use a LOT of strength and FORCE it in. I am really not surprised that you guys had broken it twice and still more surprised that you didn't break something else in the gearbox and/or didn't bent the shifter fork.
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