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Hello this is my first forum post but recently my 6.5 doesn’t shift past 2nd. The old girl has 302k and has been maintained to a T. It’s been in the family since 94. The fluid is still percent and there are no codes. I don’t really no were to go without a code to pull. I don’t think the trans is shot seeing as the fluid was always changed regularly and still clean no burn smell at all. Where should I start? What should I do? Thank you.
 
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