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Technical Info: 3rd Generation: DRIVETRAIN Technical discussion of third generation (2003 - 2007) engine and drivetrain questions, solutions and upgrades.
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Old 1 Week Ago
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smokediver smokediver is offline
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Default Breaking flywheels..

Buddy of mine has an '04 dually, auto, 2wd, all stock far as I know, got a service bed on it and tows a 16 ft trailer from time to time.
He does carpenter work and remodeling on the side.

It has cracked 3 flywheels in about a year!
The last one didn't last 3 months and they claimed they put a heavier one in it the 2nd time.
He was asking me what causes this constant problem.
I told him I figured either something isn't lined up correctly, or there's a vibration somewhere.
The tranny was supposedly rebuilt not long before he got it.
He's had the truck less than 2 years.
Don't know how many miles were put on the rebuild before he got it..

Any words of wisdom as to how or why that I could pass on to him?
Thanks.
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Old 1 Week Ago
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new? oem? NAPA/ Autzone? sounds weird be nice to hear the answer
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My 1st question would be was it breaking flex plates before it was overhauled. If it was, I'd say there was a misalignment issue from the factory. Crank shaft, adapter plate, or transmission. If after, I'd be looking at the transmission. Particularly the input shaft and bearing, and/or the torque converter.
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Flywheel or flexplate?
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  #5  
Old 42 Minutes Ago
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Auto., flexplate.
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