In "D" position it will not shift until it hits 4000 rpm's on all gears.
Dec 7, 2016 at 5:37 AM
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JOHNNYT73
AUTOMOTIVE REPAIR CONTRIBUTOR
924 POSTS
these are typically early signs that a transmission is beginning to slip and will need rebuilding. Its not shifting until high rpm's because it has to build up enough pressure to change into the next gear.