Dual Mass? Vibration at certain RPMs... - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 10-08-2006, 07:35 PM Thread Starter
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Dual Mass? Vibration at certain RPMs...

Past couple of days I've noticed a vibration at around 1600rpm in any gear when driving normally. It feels like a deep bass tone because it's so fine...almost like an exhaust drone/resonance, but coming from the motor/trans. Although it's barely noticeable right now, I want to get it figured out ASAP. I've also noticed that when I'm a little bit more heavy on the throttle there is a more harsh vibration (still barely noticeable) at around 2500rpm. It comes only with engine speed, not vehicle speed, so it's in the drivetrain, not suspension/wheels/tires.

Is this a sign of the dual mass flywheel going out on me? Whats the best thing to do, replace with new, or replace with solid? I doubt this truck has had a clutch put in it, and it's got 172k so it might be smart to change the clutch soon as well.

-Jeremy-
- '96 F-250 XLT ExCab PSD 4x4 5-spd
- '98 Ranger XLT 2WD
- '83 F-250 XLT 2WD 351W
- '57 International S-110 PU
- '30 Ford Model A PU Hot Rod
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post #2 of 4 Old 10-10-2006, 03:33 PM Thread Starter
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Nevermind, the clutch is headed south, found that out today.

-Jeremy-
- '96 F-250 XLT ExCab PSD 4x4 5-spd
- '98 Ranger XLT 2WD
- '83 F-250 XLT 2WD 351W
- '57 International S-110 PU
- '30 Ford Model A PU Hot Rod
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post #3 of 4 Old 10-17-2006, 12:33 PM
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Go with a single- mass conversion!

Derrick

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'97 F-350 "FORDOR" 4X4 (Dually Conversion, Shackle Reversal, Technicooler , Auto Meter Gauges, 4" DIY Dual Exhaust w/ '08 tips, 4" DIY intake w/ AEM filter, Wicked Wheel 2, 360° thrust bearing, Homemade E-fuel conversion, Wildman Chip, 160cc DIY injectors , DIY IDM mod) 230K and counting...
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post #4 of 4 Old 10-20-2006, 08:00 AM Thread Starter
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Yep, got a LuK Repset and Luk Solid flywheel for $545 Delivered 2 days ago, dropped the truck off at a drivetrain shop this morning, $300 for R&R Labor and I'll have it back later today. Not happy about spending the money, but I'm glad the truck will be better than it was.

-Jeremy-
- '96 F-250 XLT ExCab PSD 4x4 5-spd
- '98 Ranger XLT 2WD
- '83 F-250 XLT 2WD 351W
- '57 International S-110 PU
- '30 Ford Model A PU Hot Rod
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