Flywheel chatter?
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4wd Low
Joined: Nov 2015
Posts: 10
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Flywheel chatter?
I just bought a 97 Powerstroke with manual Tranny. The truck runs great as long as I'm giving it throttle but at idle in neutral there's a terrible rattling and shaking sounds like it's coming from Tranny. Sometimes after I get on it and let off throttle driving down road it does same thing to much lesser degree. The truck seems to shift good other then an occasional complaining syncro in 2nd and 3rd.
Thread Starter
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4wd Low
Joined: Nov 2015
Posts: 10
Likes: 0
I guess I can explain better, rattling usually starts after I give it significant throttle however only rattles at idle. Rattling will go away if I depress clutch or touch throttle. Sometimes it idles fine, other times will almost rattle engine out of truck
Postmaster
Joined: Mar 2004
Posts: 3,897
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I'm assuming you don't know if it has the dual mass flywheel in it. I would recommend removing the inspection cover and checking the flywheel for play. The dmf has been known to blow out the side of transmissions for some so I would do it ASAP.
Lead Driver
Joined: Mar 2006
Posts: 5,105
Likes: 1,526
From: western SD
If you have a single mass flywheel, you are probably hearing "gear roll over", from the transmission. Over filling the tranny can help lesson the noise.
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Postmaster
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Joined: Jan 2012
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Yeah, there will still be gear roll over noise in neutral. Everything in the trans is still turning when in neutral and the clutch engaged, it's just not turning the output shaft. My '97 did it bad.
