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Truck not shifting at all

Tiny
APARM12
  • MEMBER
  • 1996 CHEVROLET 2500
  • 5.7L
  • 4WD
  • AUTOMATIC
  • 160,000 MILES
1994 Chevrolet k2500 does not shift at all. I replaced both shift solenoids but still will not shift. I notice shift lever will not go in Low 1 or 2? Any help is appreciated. Thank you.
Monday, October 14th, 2019 AT 4:12 PM

3 Replies

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

I attached a picture of the external case. At the back on the drivers side, there is a cover that has the governor. That controls the shift points. It is a very common failure for not shifting.

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

Remove the cover and pull out the governor and see if the plastic gear on the end is damaged.

Do you mean it will not shift down into the lower gears from the shifter?

Roy
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Tuesday, October 15th, 2019 AT 3:33 AM
Tiny
APARM12
  • MEMBER
  • 5 POSTS
When driving down the road it will not shift at all. I replaced the shift solenoids, but still no shifting. I noticed I cannot shift into my 2 lower gears manually from the shift handle. I did notice the cab seems to start dropping in back. Could this be affecting it?
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Wednesday, October 16th, 2019 AT 11:01 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
I read all that. I gave you what you need to check.

No, the O2 will not cause this issue.

Roy
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Wednesday, October 16th, 2019 AT 11:47 AM

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