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driveline vibration

1037 Views 6 Replies 3 Participants Last post by  theunit
to start just got the truck 2 months ago 07 cc 5.9 auto ... truck had the 70 + vib figure its a u-joint no biggie these trucks have u-joint issues from what ive been reading.... 45000 miles BTW seems time... changed them no fix ..did a trans fluid ,filter change adj. bands front one way out...took off inspection plate with truck running and low and behold the flywheel is bent and wobbling back in forth....ANYWAYS what do you guys think caused this ......cranked up tuner....or what.. Thanks in advance for your help.
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114 Posts
Is it the factory Dual Mass flywheel?
If so , they are junk and come apart.

I also have the vibe in an 03
 

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114 Posts
the dealer should help you then if it is truley stock

the dual mass flywheel IS in the 07 manual trucks for sure and is proven to be junk, all dealers know it, only some will admit it.
 

· Cummins Nut
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Discussion Starter · #7 ·
update the dealer said flexplate, converter installed 1100. truck is out of factory warranty. i didn't know if cummins consider the flexplate part of engine or not (FYI they dont)...
Now some trans upgrades are in order but wasn't wanting to do it this soon ...
Any info on good parts that wont break the bank would be appreciated
location is around Cin,oh

lookin at flexplate BD from what ive read.... converter is the toss up ,,,,,input shaft not racing but do pull 15000 lbs
 
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