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How do you replace a speedometer sensor on 1990 Honda Accord LX?

Replacing a speedometer sensor in a 1990 Honda Accord LX can usually be completed in the following steps.

Note: This explanation and steps are made specifically for the mentioned model and vehicle year.


Prepare your car:

>* Locate the speedometer sensor on the transmission housing. It is usually a small, cylindrical sensor with a wire attached.

Disconnect the battery:

* Disconnect the negative terminal of your car battery to avoid any electrical accidents during the process.

Remove the sensor:

>* Once located, clean the area around the speedometer sensor with a degreaser or similar solvent to remove dirt and grime that may make unscrewing the sensor difficult.

>* Disconnect the electrical connector attached to the sensor.

* Use a wrench or socket to loosen and remove the sensor from the transmission housing.

Install the new sensor:

>* Apply a small amount of sealant or gasket maker (supplied in a kit) around the threads of the new sensor.

* Screw in the new sensor by hand until it is snug.

>* Connect the electrical connector to the new sensor.

>* Tighten the sensor using a wrench or socket to the recommended torque (check the vehicle's repair manual).

Re-connect Battery and Test:

>* Re-connect the negative terminal of your car battery.

>* Start your vehicle and check if the speedometer is working correctly.

>* Ensure that there are no leaks from the sensor's installation site.

Additional tips:

* Replace the sensor's O-ring if the old one is damaged or leaking.

* If the speedometer is still not working correctly after installing a new sensor, you may have to check for other issues, such as a faulty wiring connection or a problem with the instrument cluster.