transmission no reverse after filter and fluid change and not shifting right

1997 DODGE TRUCK
170,000 MILES • 5.2L • V8 • 2WD • AUTOMATIC
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TOMSLAWNS316
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transmission was shifting fine and reverse was fine but oil was black. it did not smell burnt. just black, so i dropped pan and did a fluid and filter change on it . now it has no reverse will slowly move back if not on gas and it is not shifting right in the rest of the gears if i put it in first and shift it by hand into second it will shift but not in drive it revs to rev limiter and dose not shift what did i do ? what can i do to fix it i used ATF plus 4.
Jul 9, 2017 at 9:19 PM
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HMAC300
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If the fluid was/is black at removal is not a very good sign it may mean the seals in clutch packs have worn out and that is why you have no reverse. Assuming fluid was correct should use Mopar ATF type 3 plus7176 or compatible.
https://www.2carpros.com/articles/automatic-transmission-problems
Jul 10, 2017 at 6:37 AM