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Transmission

Tiny
SUAVZE
  • MEMBER
  • 2003 CHEVROLET TAHOE
  • V8
  • 2WD
  • AUTOMATIC
  • 145 MILES
I have 2003 chevy tahoe that outta nowhere the transmission wont shift into 2nd or 3rd gear, I put on diagnostic machine n it reads nothing just my cadillac converter that I chopped for the tuff engine noise but nothing about the trans. Help?
Tuesday, December 14th, 2010 AT 11:27 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
With no electrical fault codes this will be a mechanical problem, possibly a stuck shift valve in the valve body, I would get a trans tech to check this a bit further, do not go pulling the vale body unless you know exactly what you are doing.

Mark (mhpautos)
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Tuesday, December 21st, 2010 AT 8:44 PM

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