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Is it normal for my car to shift hard the first few miles after a tranny flush?

Tiny
BIG_NATE1
  • MEMBER
  • 2004 CHEVROLET IMPALA
  • 90,017 MILES
I had been feeling a stutter when the car would shift into second gear so I went to have a flush and now after a couple miles of driving it is shifting hard into gears.
Tuesday, December 6th, 2011 AT 10:37 PM

7 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
No its not normal sounds like possibly a bad pressure control solenoid especially since it started after the flush. Any codes?Also what size engine do you have?
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Tuesday, December 6th, 2011 AT 10:45 PM
Tiny
BIG_NATE1
  • MEMBER
  • 3 POSTS
Its a 3.4l v6 and not any codes that I know of. I dont know what I'm gonna do if it messed up my transmission. I just need an inexpensive solution.
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Tuesday, December 6th, 2011 AT 11:06 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Have you had it scanned for codes?If not have that done most auto parts do that for free. If you have any codes post the exact code numbers. Another thing that can cause hard shifting is a inlet air temp sensor issue.
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Tuesday, December 6th, 2011 AT 11:18 PM
Tiny
BIG_NATE1
  • MEMBER
  • 3 POSTS
I just went to have it scanned, no codes were found. It shifted hard the whole way there and on the way back it was fine. I have no idea whats going on.
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Wednesday, December 7th, 2011 AT 12:06 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
I would have a complete pressure test done on the transmission thats where I would start.
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Wednesday, December 7th, 2011 AT 12:17 AM
Tiny
BIG_NATE1
  • MEMBER
  • 3 POSTS
How much does that usually cost? Just so im not gettin ripped off.
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Wednesday, December 7th, 2011 AT 12:20 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
About a hr shop labor rate also it needs to checked when its cold and acting up.
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Wednesday, December 7th, 2011 AT 12:25 AM

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