first gear judder / jumpy/ shaky 1998 GMC Sierra 2500 HD

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by NetComrade, Jul 19, 2012.

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  1. NetComrade

    NetComrade New Member

    Most noticeable when truck is heavily loaded (full of bricks or full of wood).

    Somewhat less noticeable when not loaded, or when put into 4L.

    Somewhat told me there is a screw that can adjust it (he had 97 1500 manual), but I wouldn't know where to start, nor do I even get the mechanics of the judder.. perhaps plates not well aligned?

    More gas seems to make it worse.

    Also, when put in low gear seems to not roll/slow down even when in neutral.

    Truck has 126K miles. Clutch seems OK beyond first gear.. no grinding, slippage, etc.

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