1999 Grand Prix GT 3.8 not supercharged with 180,000 miles. Ses light is not on. And i just changed the tranny fluid like a month ago... it was pretty much black. But anyway, theres the back ground. Tranny is shifting hard going from first to second. but only if it shifts while im going slow and it gets a chance to shift at about 3000 rpms.. if i put my foot down and it gets over 3000 before shifting it will typically shifts fine. Just wondering if someone could give me a solid guess on what it could be and how much it might cost
