If it's stick shift, it's built into the speedometer. If it's automatic, it's located on top of the trasaxle. It will be between the firewall and the tranny. It's kind of a pain to get to, but you can do it with a little patience.
The Vehicle Speed Sensor is located on the transmission.jd
Vehicle Speed Sensor
on the rear of transmission case
No, the sensor plugs are all different. The 1993 has a vehicle speed sensor and the 1997 doesn't.
Vehicle speed is typically monitored at the transmission output shaft, therefore, the sensor would be located on the transmission tail houseing.
The right side of the tail end of the transmission.
try changing the vehicle speed sensor on the back of the trans
On a 1997 Buick Riviera, the vehicle speed sensor (VSS) is typically located on the transmission. It's usually mounted on the side of the transmission case, near the output shaft. To access it, you may need to lift the vehicle and remove any components obstructing the sensor. If you're unsure, consulting the vehicle's service manual can provide specific details and diagrams.
on the rear of the tranny before the drive shaft
Is it a 12 valve engine or 24 valve? What do you mean by speedometer sensor? Do you mean Vehicle speed sensor? If so why do you want to change that?
the four wheel bearing/hubs are speed sensors for the abs system.
Most likely it is the vehicle speed sensor which is located on your tranny!