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Hard upshifting after downshifting

Tiny
RUSSELKNIGHT
  • MEMBER
  • 1999 PLYMOUTH BREEZE
  • 244,000 MILES
My car shifts normal on accelatration, in fact great. But if I slow down and it down shifts a couple of gear (but I dont stop). Then accelarate it up shifts VERY hard. Accelaration to cruse speed is normal and down shifting to a stop is normal. I changed the filter and fluid 2k miles ago with no change.
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Monday, November 7th, 2011 AT 4:10 PM

8 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,300 POSTS
Has the check engine light ever come on? Have you checked for trans trouble codes?
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Monday, November 7th, 2011 AT 5:28 PM
Tiny
RUSSELKNIGHT
  • MEMBER
  • 7 POSTS
I have not checked for trans codes. The check engine light has not come on. It has been doing this for about a year, I have been just compensating for it. Thanks
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Monday, November 7th, 2011 AT 6:53 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,300 POSTS
It could be the result of a few things. I would check for codes first. Otherwise, it becomes a guessing game.
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Monday, November 7th, 2011 AT 7:00 PM
Tiny
RUSSELKNIGHT
  • MEMBER
  • 7 POSTS
I will do that, thanks
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Monday, November 7th, 2011 AT 7:01 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,300 POSTS
Let me know what you find.
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Monday, November 7th, 2011 AT 7:04 PM
Tiny
RUSSELKNIGHT
  • MEMBER
  • 7 POSTS
I checked for codes with a reader and there were none. I drove it for 45 minutes and still no codes. Any thoughts?
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Monday, November 14th, 2011 AT 1:19 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,300 POSTS
It sounds like the governor or an issue in the valve body.
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Monday, November 14th, 2011 AT 4:42 AM
Tiny
RUSSELKNIGHT
  • MEMBER
  • 7 POSTS
I am guessing that these checks will require a trany teardown? Thanks
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Tuesday, November 15th, 2011 AT 11:41 PM

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