Transmission shifting issues (unusual) [Archive] - GrandAmGT.com Forum

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Jhashwa
08-06-2009, 11:29 PM
So my 01 SE's tranny is still going, and I am starting to think it doesn't need an overhaul. This one shifts very lazy in all gears when hot, unless it is manually shifted. If you manually shift it even at exactly the same time as the auto shifts would take place it shifts fine, nice and firm and quick, like they're supposed to be. If you leave it in D and let it do its thing the shifts are slow, shuddery ( prlly not a word :P) and just plain bad. So I am thinking maybe I have a programming issue? maybe a worn oil pump causing low line pressure? Also, no codes history or current, oil level is perfect and clean, filter is new, and I have put over 2000 miles on it like this and it hasn't changed its patterns yet. Any thoughts??????