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Transmission, no gears will engage

Tiny
JOHNNY WALKER
  • MEMBER
  • 2003 CHEVROLET TRAILBLAZER
  • 4.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 203,000 MILES
Starts, can push in neutral. Linkage seems fine. Fluid level right. Changed filter.
Wednesday, April 1st, 2020 AT 11:25 AM

6 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

Did you try to change to 4 wheel drive and see if it will move? It could be the transfer case that is causing this.

https://www.2carpros.com/articles/automatic-transmission-problems

If it does not engage, then you have an internal failure inside the transmission. It could be the torque converter or the front pump. Either way, it has to come out to be inspected for the failure.

Roy
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Wednesday, April 1st, 2020 AT 12:35 PM
Tiny
JOHNNY WALKER
  • MEMBER
  • 4 POSTS
Thanks Roy. I did try 4wd and still nothing. Is it possible the neutral safety switch could cause this? Provides feedback to computer regarding gear select I think.
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Wednesday, April 1st, 2020 AT 12:52 PM
Tiny
JOHNNY WALKER
  • MEMBER
  • 4 POSTS
I know I'm fishing, but a bad day fishing is better than a good day of transmission removal.
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Wednesday, April 1st, 2020 AT 12:55 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
No, this is a mechanical issue not and electronic issue. There are no sensors for mechanical application.

Sorry, you need a transmission.

Roy
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Wednesday, April 1st, 2020 AT 1:07 PM
Tiny
JOHNNY WALKER
  • MEMBER
  • 4 POSTS
Appreciate your help Roy. Off to Pick n' Pull I guess.
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Wednesday, April 1st, 2020 AT 1:11 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You are welcome.

Always glad to help.

Roy
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Wednesday, April 1st, 2020 AT 1:15 PM

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