Operation CHARM: Car repair manuals for everyone.

Speedometer Head: Testing and Inspection

INSPECT SPEEDOMETER
a. Check the operation.




1. Using a speedometer tester, inspect the speedometer fro allowable indication error and check the operation of the odometer.

NOTE: Tire wear and tire over or under inflation will increase the indication error.

2. Check the deflection width of the speed meter indicator.

Reference: Below 0.5 km/h / 10.3 mph