Hi: was wondering why , F-350 dually,, with a load the clutch seems to be jumpy when I let it out,, no load not as bad, I know replacing the clutch and pres plate would be the obvious but I have a chev 4*4 that did do it for awhile but it came out of it,,, any suggestions would be great , or info,,, thanks in advance folks,,,, Kirk.
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