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2008 Chevrolet Uplander please help

Tiny
GMAN101270
  • MEMBER
  • 2008 CHEVROLET UPLANDER
  • 82,564 MILES
I got the power loss taken care of now all it does is a jerk on take off like the tranny is slipping but it shifts fine goin down the road could ya help a man out been workin on this problem for a long time now would appreciate any help
Thursday, September 19th, 2013 AT 3:22 PM

9 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Has the check engine light come on? Have you checked trans fluid to make sure it is clean and tight? Also, what work was just done to it?
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Thursday, September 19th, 2013 AT 6:52 PM
Tiny
GMAN101270
  • MEMBER
  • 6 POSTS
I had a speed sensor front wheel hub assembly the throttle body cleaned and I took it to a tran man and he said he put it on the coumputer and it didn't put any codes out the shop that done the work said they had it on a computer and they couldn't find nothing I am stumped
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Friday, September 20th, 2013 AT 4:28 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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That is what happens today. With all our technology, if there isn't a code, the mechanic is lost. I hate to admit, it becomes a guessing game without the computer, but that is what being a mechanic was all about years ago. Diagnose the problem without a computer.

I have to be honest, it sounds like the transmission is slipping for you. That problem will not show a trouble code. Did the trans tech drive the vehicle?
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Friday, September 20th, 2013 AT 6:21 PM
Tiny
GMAN101270
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  • 6 POSTS
Ya he said its wasn't the tranny he said the tac was doin it but I had other people say that it wouldn't cause it
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Saturday, September 21st, 2013 AT 1:21 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
TCA? Do you mean TCM?
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Saturday, September 21st, 2013 AT 6:49 PM
Tiny
GMAN101270
  • MEMBER
  • 6 POSTS
No the tachometer is what he says
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Saturday, September 21st, 2013 AT 6:59 PM
Tiny
JACOBANDNICKOLAS
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I hate to say it, but I'm not sure how the tach would cause a transmission problem.
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Saturday, September 21st, 2013 AT 7:07 PM
Tiny
GMAN101270
  • MEMBER
  • 6 POSTS
You got me but thanks alot
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Sunday, September 22nd, 2013 AT 3:50 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Wish I could have helped more. Let me know if you have have other questions.
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Sunday, September 22nd, 2013 AT 7:57 PM

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