Removing and installing Mazda 3 speedometer sensor
Disconnect the negative battery cable.
Remove the battery and its tray.
Remove the air filter element.
Disconnect the vehicle's speedometer sensor connector.
Remove the vehicle's speedometer sensor.
Apply gear oil to the new O-ring and install it on the vehicle's speedometer sensor.
Install the vehicle's speedometer sensor. Tightening torque: 7.8 - 11.3 Nm.
Connect the vehicle's speedometer sensor connector.
Install the air filter element.
Install the battery and tray.
Connect the negative battery cable.