Hello, I am new to this site. I have 2003 Chevy Tahoe LT with 4wd. My truck runs good no check engine light or any service lights. It has about 190k on milage. Now my tranny is having issues. When I take off from a complete stop, the first shift is a hard jerking shift just the first shift point after taking off. I'm guessing it's 1st to 2nd gear? As it gains speed it shifts fine. I have changed fluid and filter but it is still a hard shift. IIt's not like a broken shift it's like it shifts late then when it does shift it's a hard shift like it was stuck in tow haul mode. I have put it in tow haul mode and it still Jerks but has more rpm before shifting. Anyone know what this could be?? Please help thanks in advance
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