Transmission stopped working

1995 CHEVROLET CHEYENNE
200,000 MILES • V8 • 4WD • AUTOMATIC
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DUNCAN MACLEAN
  • MEMBER
  • 1 POST
was driving down a city street, when I made left turn, lost my forward and reverse. Tried to put truck in 4x4, still nothing, the transmission is a 4L60"e", 4 speed. auto, could be transfer case? I need help, I do not know how to check transfer case.
Nov 2, 2021 at 8:01 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Hi,

When you place it in gear, do you hear any noise that would indicate the transmission is responding? Have you checked the transmission fluid level and condition?

Do me a favor. I want you to check if there are any diagnostic trouble codes stored that are related to the transmission. You don't need a scan tool on this vehicle. All that will be needed is a short jumper wire or even a paper clip. Follow the directions in the following link and let me know what is found.

https://www.2carpros.com/articles/buick-cadillac-chevy-gmc-oldsmobile-pontiac-gm-1983-1995-obd1-code-definitions-and-retrieval-method

Let me know what you find or if you have questions. Also, let me know the condition of the transmission fluid. As far as the transfer case, usually, there is an indication when they are failing. So, let me know if there was anything you noticed before the issue started.

Take care,

Joe
Nov 2, 2021 at 7:32 PM
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