How do you change the speed sensor on 1990 Chevy Celebrity?
The speed sensor on a 1990 Chevy Celebrity is on the top of the transaxle on the passenger side of the car. To change it unlatch and remove the wire harness then remove the two bolts that hold it in. The speed sensor can then be lifted out of the transaxle. To reinstall a new sensor reverse these steps.
The 1987 Chevy Celebrity uses an electronic speedometer, there is no speedometer cable. Assuming your speedometer has failed here are some possible causes: The VSS. vehicle speed sensor, may have failed. The speedometer may have failed. The ECM, engine control module aka computer, may have failed. There may be wiring issues such as unplugged, dirty connections, broken wires, etc.