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Clutch Hitting Flywheel...Pics

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Old 12-13-2011, 01:56 PM
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Default Clutch Hitting Flywheel...Pics

have a loud banging that sounds like a spun bearing coming from either the #7 rod or from these pics i posted below... what do ya'll think? what causes this?


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looks like the springs were hitting the flywheel bolt heads


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flywheel is smoked?


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any ideas as to what caused this?


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Old 12-13-2011, 02:05 PM
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I have never seen that......
Old 12-13-2011, 03:27 PM
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The springs are contacting because they have worn through the spring-cage. This happens as a result of excessive movement that leads to greater wear than is expected and it typically relative to one of the following:

-a damaged or worn pilot bearing or front transmissions bearing
-a damaged input-shaft
-a transmission/bellhousing that doesn't have the dowels in place that help center it when it mates to the motor
-damaged or missing bolts
-a damaged engine or transmission mount.

It is worth noting that you appear to have a good deal of wear on the disc so this could also be the result of normal wear and usage (dependent on driving style and usage type) that has happened over time.

Let me know if you have any further questions. Thanks!!
Old 12-13-2011, 06:03 PM
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Originally Posted by SPEC-01
The springs are contacting because they have worn through the spring-cage. This happens as a result of excessive movement that leads to greater wear than is expected and it typically relative to one of the following:

-a damaged or worn pilot bearing or front transmissions bearing
-a damaged input-shaft
-a transmission/bellhousing that doesn't have the dowels in place that help center it when it mates to the motor
-damaged or missing bolts
-a damaged engine or transmission mount.

It is worth noting that you appear to have a good deal of wear on the disc so this could also be the result of normal wear and usage (dependent on driving style and usage type) that has happened over time.

Let me know if you have any further questions. Thanks!!
thanks for the input... ok so the pilot bearing is just red dust. the input shaft is worn, not shredded but is defidently worn. could this have been the cause of my noise?
Old 12-13-2011, 06:14 PM
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With the transmission removed (motor is still bolted to the motor mounts and motor mounts bolted to frame) should i be able to move the engine up by pushing up on the rear of the motor. when i push up on the rear of the motor i can move the engine up quite a bit. i do this and look at the mounts and it seems like the engine is pivoting on the mounts, does this mean my motor mounts are shot?
Old 12-14-2011, 01:33 PM
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Having a damaged pilot and shaft could have easily caused noise and increase movement (and spring-cage wear). I am not sure how much movement you are talking about relative to the motor. If it appears to be excessive it probably is. Especially if you can get this to happen by hand.
Old 12-14-2011, 01:51 PM
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New motor mounts .
Old 12-14-2011, 10:47 PM
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Originally Posted by 1CAMWNDR
New motor mounts .
yes sir i think im gonna put some poly motor mounts in and a new stock rubber trans mount. I have to pull the motor to completely rebuild due to a spun rod bearing
Old 12-14-2011, 10:49 PM
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Originally Posted by SPEC-01
Having a damaged pilot and shaft could have easily caused noise and increase movement (and spring-cage wear). I am not sure how much movement you are talking about relative to the motor. If it appears to be excessive it probably is. Especially if you can get this to happen by hand.
although im sure the clutch springs hitting the flywheel make alot of noise. i put the flywheel back on torqued it up and started the motor to see if my banging sound went away, it didn't. even with open manifolds i could hear the rod banging the **** out of the block...
Old 12-15-2011, 10:09 AM
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Wow...That will make a heck of a sound for sure...



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