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Old 12-17-2011, 12:24 PM   #1
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Default 2000 4t65-e no third gear

I have a 2000 Pontiac Montana with a 4t65e tranny. It will not upshift into third gear. I can force it to downshift to third but it slips horribly bad and just goes to second as soon as you apply any throttle. I have replaced the fluid and filter and inspected the 1-2 and 2-3 accumulator pistons. I know that the pcm is commanding the third shift, but I have no gear ratio change. What is wrong with this thing? HELP!!!!!
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Old 12-17-2011, 01:28 PM   #2
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Sounds to me like you have badly worn clutches.;.But im no trans expert.
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