Where is the input speed sensor located?

2012 CHEVROLET EXPRESS
123,000 MILES • 4.3L • V6 • 2WD • AUTOMATIC
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THEPATCHMAN JUANTORRES
  • MEMBER
  • 1 POST
i replaced the VSS located at the rear of the transmission but i cannot locate the input speed sensor to install it.
Apr 1, 2022 at 11:20 PM
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STEVE W.
  • ✓Experienced Mechanic
  • 15,372 POSTS
The input and output speed sensor assembly is inside the transmission between the valve body and the transmission case. See the attached for the instructions. Check out the diagrams (Below). Let us know what happens and please upload pictures or videos of the problem.
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Apr 1, 2022 at 11:53 PM
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