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1994.5 - 1997 7.3L Power Stroke Diesel  

Dual Mass Flywheel?

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Old Nov 16, 2007 | 04:33 PM
  #1  
97 RED PSD's Avatar
97 RED PSD
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Dual Mass Flywheel?

Today I was waiting for someone idling and i noticed a different vibration coming through the floor pan than normal. I also thought I heard some type of very minor scraping sound. Could this be the DMF going out? I know the truck had some clutch work done on it around 100,000 miles but not sure if the flywheel was replaced. It has 206,000 now. Is there a way to check if it is the flywheel without dropping the tranny?
 
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Old Nov 16, 2007 | 04:35 PM
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1997F-350's Avatar
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From: SHELTON, WA
pull the inspection cover if it has more than 3/4" of play between the 2 masses its seen better days. get a single mass flywheel and clutch and be done with it.
 
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Old Nov 16, 2007 | 05:32 PM
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anyone got a pic of a DMF from an inspection cover view. i removed my inspection cover and still cant tell if its a DMF or a SMF. ive never seen a DMF in person to know what im looking at. pics of both from the edge would be great.
 
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Old Nov 16, 2007 | 05:36 PM
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take me a picture and post it. i only have a pic of my smfw from the tranny view and not the bottom.
 
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Old Nov 16, 2007 | 07:54 PM
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From: Lawrenceburg, TN
k will do tommrow if i dont forget
 
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Old Nov 17, 2007 | 04:26 PM
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From: Johnson City, TN.
It is getting dark here now but I can pic a DMF in the mornin' for ya. e-mail me to remind me. The DMF has 2 obvioius "plates" just behind the ring gear they are about 3/16" apart and atleast 3/8" thick.
 
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Old Nov 17, 2007 | 04:42 PM
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here is the pic of mine

 
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Old Nov 17, 2007 | 05:21 PM
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The DMF has a very stiff pedal. My LUK feels like the clutch in a Nissan or Toyota.
 
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