Speedometer Sending Unit
- If speedometer and odometer do not operate, check for improperly connected speedometer cable, broken speedometer cable or damaged driven gear.
- If speedometer needle bounces, check for broken hair spring or oil in speedometer head. If speedometer does not return to zero or will not exceed a certain point, check for oil or foreign material in speedometer head or for deformed hair spring.
- If speedometer needle deflects, check for improper speedometer cable arrangement or damaged worm rotor or bearing. If speedometer operates, but odometer does not operate, replace defective gears in speedometer.