Grinder into third

Discussion in 'GM Powertrain' started by jtiffany78, Oct 25, 2009.

  1. jtiffany78

    jtiffany78 New Member

    Hi all, first question for the truck club.
    So when I shift into third, it's like doing it without the clutch. Meaning at the right speed (15-20 up shifting and 25-30 down shifting) it slips right in to gear. Outside of that range it grinds. It was a known problem from the seller and he said it was the syncro mesh gone bad. Is that fixable with out rebuilding the whole tranny? Or should I just rebuild all of it since I'll be in there?
    It's a 5 speed 1 ton diesel transmission. That's vague, but it's all I know so far. I'll look for some numbers or clues when I get home.
    Any ideas in the mean time?

    Thanks in advance!

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