Vehicle Questions and Answers
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In a Chevy Silverado, the speed sensor is positioned at the output shaft of the transmission. This sensor communicates with the vehicle's CPU by tracking how many times the shaft rotates, ultimately determining the car's speed. This data allows the transmission to switch gears as necessary. If the speed sensor malfunctions, the transmission may struggle to shift promptly, shift roughly, or even fail to shift altogether. A replacement speed sensor typically costs around 20 to 40 dollars. Ignoring a faulty sensor could severely damage the transmission, so it's vital to address any issues promptly to avoid potential costly repairs.
The input and output transmission sensors are situated inside the transmission, positioned behind the pan on the right side.
The speed sensor for a Chevy Silverado can be found at the back end of the transmission.
In a Chevy 2003 model, there is an 8.0 engine and an Allison transmission along with a speed sensor.
I think it's located on the rear of the throttle body on the side where the passenger sits.